CN107910892A - A kind of energy router apparatus applied to intelligent distributed energy network - Google Patents
A kind of energy router apparatus applied to intelligent distributed energy network Download PDFInfo
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Classifications
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- H02J3/383—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/3353—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having at least two simultaneously operating switches on the input side, e.g. "double forward" or "double (switched) flyback" converter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/2173—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a biphase or polyphase circuit arrangement
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Inverter Devices (AREA)
Abstract
A kind of energy router apparatus applied to intelligent distributed energy network, the energy router apparatus include A units：Three-phase PWM biphase rectification unit；Unit B：Isolation type bidirectional Sofe Switch Cuk converter unit isolation type bidirectional Sofe Switch Cuk converter units；C cell：Double active DC/DC converter units；D units：Three-phase four-wire system soft-switching inversion unit；E units：The two-way inversion unit of Sofe Switch single-phase full bridge；F cell：Photovoltaic Boost converter units；Further include No.1 high direct voltage busbar；No. two DC low-voltage busbares；Wherein double active DC/DC converter units include close coupling and close high frequency transformer；Wherein each unit can realize Sofe Switch by auxiliary circuit or control strategy, greatly reduce energy loss and switch the loss of tube device.Distributed energy network is divided into 3 layers of power grid tree architecture by intelligent distributed network technology, and router applications are in power distribution network and micro-capacitance sensor to complete different functions.
Description
Technical field
Information exchange the invention belongs to solve energy internet and power distribution network in energy the Internet, applications is shared with electric energy
Core power electronic device；More particularly to a kind of energy router apparatus applied to intelligent distributed energy network.
Background technology
The energy is the important substance basis of economic growth and social development, is to change human living standard, improve mankind's life
The most important driving source of bioplasm amount.The non-regeneration energy of quick reduction, the living environment of getting worse, social sustainable development
Exhibition no longer relies solely on single energy form, and the multiplicity of the current energy is more and more obvious.And human being's production life institute
Demand energy carrier form is also more and more diversified, such as electric energy, thermal energy, natural gas, oil.Meanwhile with ecology and environment
Constraint, it is more obvious and deep.Following energy sustainable development situation, present society efficiently utilize shape to distributed energy
Formula, distributed energy is one of great difficult problem that human society is faced using problem.The shortage problem of the energy in summary,
In order to promote the development of energy network, the sustainable development of society is realized, energy internet becomes studies energy form at present
It is light will to play act foot as the key equipment in future source of energy internet in future source of energy internet for hot spot, energy source router
The effect of weight.Energy source router can realize the plug and play stabilized power swing, realize Power quality management, distributed energy
A series of and functions such as Fault Isolation of system.At present, the functional study of energy source router, hardware topology are set
Meter, is the hot spot and the most important thing of domestic and international research energy internet.
Current existing energy source router, so its power capacity is small, can be provided since its topological structure falls behind relatively
Voltage class it is relatively single, energy flow and form limitation is big and efficiency is low.Traditional energy source router control mode is single,
The angle only stablized from control grid-connected voltage, at this time the effect of solid-state transformer just correspond to low-loss traditional transformation
Device, it is impossible to realize the coordination control for the energy；Be different from conventional solid-state transformer it is grid-connected when, distributed energy is only from low-pressure direct
It is connected to the grid at stream busbar.
The content of the invention
Goal of the invention：
The present invention provides a kind of energy router apparatus applied to intelligent distributed energy network, and the purpose is to solve
The problems of in the past.
Technical solution：
A kind of energy router apparatus applied to intelligent distributed energy network, can source router topological structure and
Distributing network techniques.The energy router apparatus includes A units：Three-phase PWM biphase rectification unit；Unit B：Isolation type bidirectional
Sofe Switch Cuk converter unit isolation type bidirectional Sofe Switch Cuk converter units；C cell：Double active DC/DC converter units；D units：
Three-phase four-wire system soft-switching inversion unit；E units：The two-way inversion unit of Sofe Switch single-phase full bridge；F cell：Photovoltaic Boost is converted
Unit；Further include No.1 high direct voltage busbar；No. two DC low-voltage busbares；Wherein double active DC/DC converter units include close
Couples high frequency transformer；Wherein each unit can realize Sofe Switch by auxiliary circuit or control strategy, greatly reduce the energy
Loss and the loss of switch tube device.It is tree-like that distributed energy network is divided into 3 layers of power grid by intelligent distributed network technology
Framework, top-down is respectively distribution stratum reticulare, micro-capacitance sensor layer and client layer.Distributed energy is realized on the basis of the overall architecture
The operation control of source system and communication scheduling.Router applications are in power distribution network and micro-capacitance sensor to complete different functions.
The three-phase PWM biphase rectification unit input is connected with 10KV power grid busbares, the No.1 high direct voltage busbar
It is connected with three-phase PWM rectification output end, the input terminal of double active DC-DC units is connected with No.1 high voltage dc bus,
The close coupling transformer of high frequency is connected with AC outputs, input among double active DC-DC converter units, and No. two direct currents are low
Pressure busbar is connected with double active DC-DC converter units outputs；The three-phase four-wire system ZVS-PWM inverter input terminals and two
Number low-voltage direct busbar is connected, and the input side of Sofe Switch single-phase full bridge inversion unit is connected with No. two low-voltage direct busbares；
Three-phase four-wire system ZVS-PWM inverter output ends are connected with threephase load；The outlet side of Sofe Switch single-phase full bridge inversion unit
It is connected with single-phase load；The input terminal of the two-way isolated form Cuk soft switch transducers and No. two low-voltage direct busbar phases
Even, the output terminal of photovoltaic Boost converters is connected with No. two low-voltage direct busbares, two-way isolated form Cuk soft switch transducers
Output terminal is connected with energy storage device, and the input terminal of photovoltaic Boost is connected with photovoltaic sequence.
The Sofe Switch of Three-Phase PWM Rectifier Sofe Switch, single-phase full-bridge inverter Sofe Switch and three-phase four-wire system inverter
Structure design and can source router overall applicability.The auxiliary resonance branch of Three-Phase PWM Rectifier includes an auxiliary switch
Pipe, a resonant inductance and a clamping capacitance, with conventional composite active-clamp rectifier difference lies in clamping capacitance with it is humorous
The inductance that shakes is connected, and active switch is in parallel with the series arm；The effect of auxiliary resonance branch be main switch need the change of current it
It is preceding main switch bridge arm busbar voltage resonance to zero, create the condition that no-voltage opens for main switch, while resonant inductance is used for
Suppress the reverse recovery current of main switch anti-paralleled diode.Its main feature is that the voltage stress and DC output voltage of switching tube
It is equal.Single-phase full-bridge inverter Sofe Switch, its be mainly characterized by auxiliary resonance branch is in parallel with master power switch pipe, in main work(
In the very short interval of time of rate pipe conversion, auxiliary resonance circuit is worked, zero voltage switch condition is created for main power tube.
L12, L14, S20, S21, S24, S25 form traditional inverter circuit, and S22 and S23 is R-T tube in resonant branch, make
With being to control resonant tank to open shut-off；C12 is resonant capacitance, and effect is to create zero voltage switch condition for main switch；
L13 is resonant inductance, and effect is to create Zero Current Switch condition for S22 and S23.The master of three-phase four-wire system inverter Sofe Switch
It is the road of auxiliary resonance of having connected on busbar to want feature, includes auxiliary switch S32, clamping capacitance C11 and resonant inductance L11.Should
The effect on the road of auxiliary is that occur in certain bridge arm before load current needs to be transferred to complementary switch pipe IGBT from diode three
The voltage V resonance of phase bridge arm DC side creates no-voltage to 0, for switching tube and opens condition.Can source router it is integrally-built
It is mainly characterized by realize Sofe Switch by hardware circuit or software control in rectifier, DAB, inverter unit to protect out
Close the permanent use of device.And energy is realized by the connection of two-way isolated form Cuk circuits and energy storage device in overall structure
The storage in source and efficiently use, in addition, have also been introduced photovoltaic energy on low-voltage direct busbar, overall Design of Hardware Architecture is realized
The plug and play of multiport and efficiently using for the energy.
The Three-Phase PWM Rectifier, double active DC-DC converters, three-phase four-wire system ZVS-PWM inverters, Sofe Switch list
Phase inverter, the connection mode of two-way isolated form Cuk soft switch transducers and photovoltaic Boost, connecing of being capable of providing
Mouth voltage characteristic；The Three-Phase PWM Rectifier input interface voltage be 10000V, 50HZ exchange, output interface voltage for 18KV,
Double active DC-DC converter output interface voltages are 600V, and two-way isolated form Cuk soft switch transducers output interface voltage is
240V direct currents, Sofe Switch single-phase full-bridge inverter output interface are power frequency 50HZ, and 220V is exchanged, three-phase four-wire system ZVS-PWM
Inverter output interface is power frequency 50HZ, 380V alternating current.
The operation control of the distributed energy resource system is as follows：Distribution stratum reticulare is meeting that grid supply quality, power supply are reliable
Under the requirement of property and security, using the Optimization scheduling algorithm under centralized control, whole system operating cost is realized most
Smallization and maximizing the benefits, on the basis of each distributed generation resource synchronizing mode is not changed, there is provided two-way reliable flow of power and
Information flow, allows conventional power user that unnecessary electric energy is transmitted to a point net, realizes overall coordination optimization operation and energy saving
Emission reduction.Micro-capacitance sensor layer has islet operation pattern respectively and the pattern that is incorporated into the power networks.It is micro- when micro-capacitance sensor is operated in islet operation pattern
Power grid router controls the behavior of each distributed energy, ensures to excellent with power distribution network router without any communication, independent coordination
The higher load supplying of first level, and can auto-returned grid-connect mode on demand.Client layer is adopted according to the operational mode of micro-capacitance sensor layer
With different control strategies.When being incorporated into the power networks, client layer is mainly controlled using PQ.When micro-capacitance sensor islet operation, using V/F
Control strategy or droop control maintain the normal operation of micro-capacitance sensor.
The client/server adaptation scheme of the distributed energy resource system：Due to the laminarity and dispersiveness of distributed energy resource system,
Its operation control need to rely on communication and be scheduled.Micro-capacitance sensor layer according to the predicted value of power grid coordinate micro-capacitance sensor between into
OK, power distribution network operation controller issues the order such as power adjusting, generation schedule, operational mode to micro-capacitance sensor control centre.Micro- electricity
Controllable of the net as power distribution network.Micro-capacitance sensor layer is coordinated to control power by the state-detection to user terminal and information gathering
Distribution.The equipment installation communication of client layer and control module, are connected with micro-capacitance sensor energy source router by communication bus, can rung
Answer the instruction of micro-capacitance sensor layer, while state to transmission terminal on micro-capacitance sensor layer and the data message needed for control.Micro-capacitance sensor layer
The value of feedback exported according to client layer, selects optimized operation pattern, so that the work of coordinates user layer each unit.
The technical solution of this discovery is to propose a kind of energy router apparatus applied to intelligent distributed energy network,
Including herein below：
Realize that a kind of device of the energy source router applied to energy internet includes：
Three-phase PWM biphase rectification unit：Complete 10KV, the power converter between 50HZ alternating currents and high voltage direct current；Can
It is operated in two kinds of operating modes of rectification or inversion respectively according to different control modes, complete electric energy in power distribution network and high pressure
Bi-directional energy flow between dc bus；When being such as operated in rectification operating mode, three-phase PWM biphase rectification unit is by power distribution network
The 10KV of input, 50HZ alternating current lead to three-phase PWM biphase rectification cell translation into high voltage direct current, and maintain power distribution network defeated
Enter sinusoidal current and synchronous with network voltage holding, to obtain unit input power factor, realize reactive power compensation, at the same time
Ensure the voltage constant of high voltage dc bus being connected with three-phase PWM biphase rectification unit；
Double active DC/DC two-way changings units：Complete the power converter between high voltage direct current and low-voltage DC；Realize
The two-way flow of energy between high voltage dc bus and low-voltage direct busbar；It is double active as the interim key link of the present apparatus
DC/DC reversible transducers are to carry the bridge being exchanged with each other between power grid electric energy and distributed energy.It is different by selecting
Control mode can be operated in two kinds of operating modes of boosting or decompression with it.Double active DC/DC two-way changings units introduce high frequency and become
Depressor, greatly improves the interactive efficiency of energy, and greatly reduces the volume of hardware circuit；
Two-way isolated form Cuk soft switch conversion units：It is used for realization mutual between high voltage direct current and 240V direct currents
Conversion；This unit can realize the electricity of energy between DC generation equipment, DC load and energy storage device and high voltage dc bus
Force transformation；Unlike double active DC/DC two-way changings units, this unit can be DC generation equipment, DC load with
And energy storage device provides suitable DC voltage；The reliability of system power supply is effectively raised at the same time；And this unit passes through
Auxiliary circuit is introduced to realize the soft-start feature of switching device, the power attenuation of switching device is reduced and effectively extends
The service life of switching device.
Three-phase four-wire system soft switch two-way inverter unit：Low-voltage DC and 380V are realized, between 50HZ alternating currents
Mutually conversion；This unit can realize Distributed-generation equipment, three-phase alternating current load low-voltage direct busbar between energy it is two-way
Flowing；Two kinds of patterns of inversion and rectification can be operated in；
The two-way inversion unit of Sofe Switch single-phase full bridge：Realize low-voltage DC and 220V, the phase between 50HZ alternating currents
Mutually conversion；It can complete the two-way flow of the energy between low-voltage direct busbar, single-phase load and AC power generating apparatus；Operating mode
There are two kinds of patterns of inversion and rectification；
Photovoltaic Boost converter units：Realize the connection between luminous energy and low-voltage direct busbar and energy flow；
High voltage dc bus：For stablizing three-phase PWM biphase rectification unit output voltage, double active DC/DC two-way changings
Device input voltage, two-way isolated form Cuk soft switch conversions unit input voltage；Complete three-phase PWM biphase rectification unit, double active
The interconnection of DC/DC two-way changings unit, two-way isolated form Cuk soft switch conversion units；Complete three-phase PWM biphase rectification
The two-way flow of energy between unit, double active DC/DC two-way changings units and two-way isolated form Cuk soft switch conversion units；
Low-voltage direct busbar：For stablizing double active DC/DC two-way changings unit output voltage, three-phase four-wire system Sofe Switch
The two-way inversion unit input voltage of two-way inverter unit input voltage, Sofe Switch single-phase full bridge, photovoltaic Boost units output electricity
Pressure；Complete double active DC/DC two-way changings unit, three-phase four-wire system soft switch two-way inverter unit, Sofe Switch single-phase full bridges
Two-way inversion unit, the interconnection of photovoltaic Boost units and energy flow；
Realize a kind of energy router apparatus applied to intelligent distributed energy network, each unit component connection mode
It is as follows：
The input of three-phase PWM biphase rectification unit is connected with 10KV, 50HZ power distribution network, the high voltage dc bus and three
Phase PWM biphase rectification unit output terminals are connected, the input terminal and high pressure of the two-way isolated form Cuk soft switch conversion units
Dc bus is connected, and the output of two-way isolated form Cuk soft switch conversion units can be with generating equipment, DC load or energy storage device
It is connected；Double active DC/DC two-way changings unit input sides are connected with high voltage dc bus；The low-voltage direct busbar
It is connected with double active DC/DC two-way changings unit outputs；The input terminal of three-phase four-wire system soft switch two-way inverter unit with
Low-voltage direct busbar is connected, three-phase four-wire system soft switch two-way inverter unit output terminal and threephase load, energy storage device or
Distributed-generation equipment is connected；Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units at the same time,
Input is connected with low-voltage direct busbar；The output of the two-way inversion unit of Sofe Switch single-phase full bridge and single-phase load, energy storage device
Or Distributed-generation equipment is connected；The output terminal of photovoltaic Boost converter units is connected with low-voltage direct busbar；
Realize a kind of energy router apparatus applied to intelligent distributed energy network, each unit energy flow mode
It is as follows：
Each unit energy is one state by input flow direction output, and it is " -1 " state that each output terminal of energy, which flows to input terminal, fixed
It is state " 0 " that adopted energy, which is not passed through each unit,.The intrinsic ardware feature of solid-state transformer, makes it have a variety of feasible operation moulds
Formula.Power supply reliability and energy flow diversity are improved, according to above-mentioned definition each unit working status according to energy flow direction
Can be enumerated as 128 kinds can run operating mode：(protection complete machine operating mode)
Operating mode 1：Power flows to three-phase PWM two-way rectifier unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectifier unit output terminal, flows to high voltage dc bus, flows to the input terminal of two-way isolated form Cuk soft switch conversion units, stream
To the output terminal of two-way isolated form Cuk soft switch conversion units；Power is by the output terminal of photovoltaic Boost converter units, stream at the same time
To low-voltage direct busbar, the input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to, flows to that three-phase four-wire system is soft to be opened
Close the output terminal of two-way inverter unit；
Operating mode 2：Power is flowed to the input terminal of three-phase PWM two-way rectifier unit by power distribution network, and it is double to flow to three-phase PWM
To the output terminal of rectifier unit, high voltage dc bus, the input terminal of two-way isolated form Cuk soft switch conversion units, stream are flowed to
To the output terminal of two-way isolated form Cuk soft switch conversion units；Power is by the output terminal of photovoltaic Boost converter units, stream at the same time
To low-voltage direct busbar, the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to, it is two-way to flow to Sofe Switch single-phase full bridge
The output terminal of inversion unit；
Operating mode 3：Power flows to three-phase PWM two-way rectifier unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectifier unit output terminal, flows to high voltage dc bus, flows to the input terminal of two-way isolated form Cuk soft switch conversion units, stream
To the output terminal of two-way isolated form Cuk soft switch conversion units；Power is by the output terminal of photovoltaic Boost converter units, stream at the same time
To low-voltage direct busbar, three-phase four-wire system soft switch two-way inverter unit and the two-way inversion of Sofe Switch single-phase full bridge are flowed to respectively
The input terminal of unit, flows to three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge
Output terminal；
Operating mode 4：Power flows to three-phase PWM two-way rectifier unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectifier unit output terminal, flows to high voltage dc bus, flows to the input terminal of two-way isolated form Cuk soft switch conversion units, stream
To the output terminal of two-way isolated form Cuk soft switch conversion units；While power is by the output of Sofe Switch single-phase full bridge inversion unit
End, flows to low-voltage direct busbar, flows to the input terminal of three-phase four-wire system soft switch two-way inverter unit, flow to three-phase four-wire system
The output terminal of soft switch two-way inverter unit；
Operating mode 5：Power flows to three-phase PWM two-way rectifier unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectifier unit output terminal, flows to high voltage dc bus, flows to the input terminal of two-way isolated form Cuk soft switch conversion units, stream
To the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 6：Power flows to three-phase PWM two-way rectifier unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectifier unit output terminal, flows to high voltage dc bus, flows to the input terminal of two-way isolated form Cuk soft switch conversion units, stream
To the output terminal of two-way isolated form Cuk soft switch conversion units；Power is by three-phase four-wire system soft switch two-way inverter list at the same time
The output terminal of member, flows to low-voltage direct busbar, flows to the input terminal of Sofe Switch single-phase full bridge inversion unit, it is single-phase to flow to Sofe Switch
The output terminal of full-bridge inverting unit；
Operating mode 7：Power flows to two-way isolated form Cuk by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of soft switch conversion unit, flows to high voltage dc bus, flows to the output terminal of three-phase PWM two-way rectifier unit, stream
To the input terminal of three-phase PWM two-way rectifier unit；Power flows to low pressure by the output terminal of photovoltaic Boost converter units at the same time
Dc bus, flows to the input terminal of three-phase four-wire system soft switch two-way inverter unit, flows to three-phase four-wire system soft switch two-way
The output terminal of inverter unit；
Operating mode 8：Power flows to two-way isolated form Cuk by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of soft switch conversion unit, flows to high voltage dc bus, flows to the output terminal of three-phase PWM two-way rectifier unit, stream
To the input terminal of three-phase PWM two-way rectifier unit；Power flows to low pressure by the output terminal of photovoltaic Boost converter units at the same time
Dc bus, flows to the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to the two-way inversion list of Sofe Switch single-phase full bridge
The output terminal of member；
Operating mode 9：Power flows to two-way isolated form Cuk by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of soft switch conversion unit, flows to high voltage dc bus, flows to the output terminal of three-phase PWM two-way rectifier unit, stream
To the input terminal of three-phase PWM two-way rectifier unit；Power flows to low pressure by the output terminal of photovoltaic Boost converter units at the same time
Dc bus, flows to three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge respectively
Input terminal, flows to the output of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge
End；
Operating mode 10：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus, flows to the output terminal of three-phase PWM two-way rectifier unit,
Flow to the input terminal of three-phase PWM two-way rectifier unit；At the same time power by Sofe Switch single-phase full bridge inversion unit output terminal,
Low-voltage direct busbar is flowed to, the input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to, it is soft to flow to three-phase four-wire system
The output terminal of switch two-way inverter unit；
Operating mode 11：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus, flows to the output terminal of three-phase PWM two-way rectifier unit,
Flow to the input terminal of three-phase PWM two-way rectifier unit；Power is by three-phase four-wire system soft switch two-way inverter unit at the same time
Output terminal, flows to low-voltage direct busbar, flows to the input terminal of Sofe Switch single-phase full bridge inversion unit, flows to Sofe Switch single-phase full bridge
The output terminal of inversion unit；
Operating mode 12：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus, flows to the output terminal of three-phase PWM two-way rectifier unit,
Flow to the input terminal of three-phase PWM two-way rectifier unit；
Operating mode 13：Power is flowed to low-voltage direct busbar, is flowed to three-phase by the output terminal of photovoltaic Boost converter units
The input terminal of four-wire system soft switch two-way inverter unit, flows to the output of three-phase four-wire system soft switch two-way inverter unit
End；
Operating mode 14：Power is flowed to low-voltage direct busbar, is flowed to soft open by the output terminal of photovoltaic Boost converter units
The input terminal of the two-way inversion unit of single-phase full bridge is closed, flows to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 15：Power is flowed to low-voltage direct busbar, is flowed to respectively by the output terminal of photovoltaic Boost converter units
The input terminal of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge, flows to three-phase four
The output terminal of line soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 16：Work(power is flowed to low-voltage direct busbar, is flowed by the output terminal of Sofe Switch single-phase full bridge inversion unit
To the input terminal of three-phase four-wire system soft switch two-way inverter unit, three-phase four-wire system soft switch two-way inverter unit is flowed to
Output terminal；
Operating mode 17：Power flows to low-voltage direct by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Busbar, flows to the input terminal of Sofe Switch single-phase full bridge inversion unit, flows to the output terminal of Sofe Switch single-phase full bridge inversion unit；
Operating mode 18：Shutdown mode, the flowing of each unit noenergy；
Operating mode 19：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit and photovoltaic Boost converter units flows to low-voltage direct busbar；Three are flowed to respectively by low-voltage direct busbar
The input terminal of phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge, flows to three-phase and four-line
The output terminal of the two-way inversion unit of soft switch two-way inverter unit and Sofe Switch single-phase full bridge processed；
Operating mode 20：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit flows to low-voltage direct busbar；It is inverse that three-phase four-wire system soft switch two-way is flowed to by low-voltage direct busbar respectively
Become the input terminal of device unit and the two-way inversion unit of Sofe Switch single-phase full bridge, flow to three-phase four-wire system soft switch two-way inverter list
The output terminal of member and the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 21：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit, photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit flows to low pressure
Dc bus；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, it is single-phase to flow to Sofe Switch
The output terminal of the two-way inversion unit of full-bridge；
Operating mode 22：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit and three-phase four-wire system soft switch two-way inverter unit flows to low-voltage direct busbar；By low-voltage direct
Busbar flows to the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to the defeated of the two-way inversion unit of Sofe Switch single-phase full bridge
Outlet；
Operating mode 23：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit and photovoltaic Boost converter units flows to low-voltage direct busbar；Three-phase is flowed to by low-voltage direct busbar
The input terminal of four-wire system soft switch two-way inverter unit, flows to the output of three-phase four-wire system soft switch two-way inverter unit
End；
Operating mode 24：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit flows to low-voltage direct busbar；Three-phase four-wire system soft switch two-way inverter is flowed to by low-voltage direct busbar
The input terminal of unit, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 25：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit and photovoltaic Boost converter units flows to low-voltage direct busbar；Soft open is flowed to by low-voltage direct busbar
The input terminal of the two-way inversion unit of single-phase full bridge is closed, flows to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 26：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit flows to low-voltage direct busbar；The two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar
Input terminal, flow to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 27：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
The output terminal of exchange unit, photovoltaic Boost converter units and Sofe Switch single-phase inversion unit flows to low-voltage direct busbar；By low
Pressure dc bus flows to the input terminal of three-phase four-wire system soft switch two-way inverter unit, flows to three-phase four-wire system soft switch two-way
The output terminal of inverter unit；
Operating mode 28：Power flows to three-phase PWM biphase rectification unit input terminal by power distribution network, and it is two-way to flow to three-phase PWM
Rectification unit output terminal, flows to high voltage dc bus；Power flows to two-way isolated form Cuk Sofe Switch by high voltage dc bus respectively
The input terminal of converter unit and double active DC-DC converter units, flows to respective output terminal, and power is become by double active DC-DC
Exchange unit and the output terminal of Sofe Switch single-phase inversion unit flow to low-voltage direct busbar；Three-phase is flowed to by low-voltage direct busbar
The input terminal of four-wire system soft switch two-way inverter unit, flows to the output of three-phase four-wire system soft switch two-way inverter unit
End；
Operating mode 29：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted single by double active DC-DC converter units and photovoltaic Boost
The output terminal of member flows to low-voltage direct busbar；Three-phase four-wire system soft switch two-way inverter list is flowed to by low-voltage direct busbar respectively
The input terminal of member and the two-way inversion unit of Sofe Switch single-phase full bridge, flows to three-phase four-wire system soft switch two-way inverter unit and soft
The output terminal of the two-way inversion unit of switch single full-bridge；
Operating mode 30：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power flows to low-pressure direct by double active DC-DC converter unit output terminals
Flow busbar；Three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar respectively and Sofe Switch single-phase full bridge is double
To the input terminal of inversion unit, three-phase four-wire system soft switch two-way inverter unit and the two-way inversion of Sofe Switch single-phase full bridge are flowed to
The output terminal of unit；
Operating mode 31：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted single by double active DC-DC converter units, photovoltaic Boost
The output terminal of member and three-phase four-wire system soft switch two-way inverter unit flows to low-voltage direct busbar；By low-voltage direct busbar stream
To the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to；
Operating mode 32：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is soft by double active DC-DC converter units and three-phase four-wire system
The output terminal of switch two-way inverter unit flows to low-voltage direct busbar；It is double that Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar
To the input terminal of inversion unit, the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to；
Operating mode 33：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted by double active DC-DC converter units and photovoltaic Boost
The output terminal of unit flows to low-voltage direct busbar；Three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar
Input terminal, flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 34：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power flows to low pressure by the output terminal of double active DC-DC converter units
Dc bus；The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar, flows to three-phase four
The output terminal of line soft switch two-way inverter unit；
Operating mode 35：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted by double active DC-DC converter units and photovoltaic Boost
The output terminal of unit flows to low-voltage direct busbar；The defeated of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar
Enter end, flow to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 36：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power flows to low pressure by the output terminal of double active DC-DC converter units
Dc bus；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, it is single-phase to flow to Sofe Switch
The output terminal of the two-way inversion unit of full-bridge；
Operating mode 37：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted single by double active DC-DC converter units, photovoltaic Boost
The output terminal of member and Sofe Switch single-phase inversion unit flows to low-voltage direct busbar；Three-phase four-wire system is flowed to by low-voltage direct busbar
The input terminal of soft switch two-way inverter unit, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 38：The power input terminal by three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch respectively
The output terminal of converter unit, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Input terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is single-phase inverse by double active DC-DC converter units and Sofe Switch
The output terminal for becoming unit flows to low-voltage direct busbar；Three-phase four-wire system soft switch two-way inverter list is flowed to by low-voltage direct busbar
The input terminal of member, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 39：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power is by double active DC-DC converter units
Low-voltage direct busbar is flowed to the output terminal of photovoltaic Boost converter units；Three-phase four-wire system is flowed to by low-voltage direct busbar respectively
The input terminal of soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge, flows to three-phase four-wire system Sofe Switch
The output terminal of the two-way two-way inversion unit of inverter unit and Sofe Switch single-phase full bridge；
Operating mode 40：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power is by double active DC-DC converter units
Output terminal flows to low-voltage direct busbar；By low-voltage direct busbar flow to respectively three-phase four-wire system soft switch two-way inverter unit and
The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to three-phase four-wire system soft switch two-way inverter unit and Sofe Switch
The output terminal of the two-way inversion unit of single-phase full bridge；
Operating mode 41：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power by double active DC-DC converter units,
The output terminal of photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit flows to low-voltage direct busbar；
The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, it is two-way inverse to flow to Sofe Switch single-phase full bridge
Become the output terminal of unit；
Operating mode 42：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power is by double active DC-DC converter units
And the output terminal of three-phase four-wire system soft switch two-way inverter unit flows to low-voltage direct busbar；Flowed to by low-voltage direct busbar
The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 43：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power is by double active DC-DC converter units
And the output terminal of photovoltaic Boost converter units flows to low-voltage direct busbar；It is soft that three-phase four-wire system is flowed to by low-voltage direct busbar
The input terminal of switch two-way inverter unit, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 44：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power is by double active DC-DC converter units
Output terminal flow to low-voltage direct busbar；The defeated of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar
Enter end, flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 45：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power is by double active DC-DC converter units
And the output terminal of photovoltaic Boost converter units flows to low-voltage direct busbar；It is single-phase complete that Sofe Switch is flowed to by low-voltage direct busbar
The input terminal of the two-way inversion unit of bridge, flows to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 46：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power is by double active DC-DC converter units
Output terminal flow to low-voltage direct busbar；The input of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar
End, flows to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 47：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power by double active DC-DC converter units,
Photovoltaic Boost converter units and the output terminal of Sofe Switch single-phase inversion unit flow to low-voltage direct busbar；It is female by low-voltage direct
Line flows to the input terminal of three-phase four-wire system soft switch two-way inverter unit, flows to three-phase four-wire system soft switch two-way inverter list
The output terminal of member；
Operating mode 48：Power flows to two-way isolated form by the output terminal of two-way isolated form Cuk soft switch conversion units
The input terminal of Cuk soft switch conversion units, flows to high voltage dc bus；By high voltage dc bus, the double active DC-DC conversion of flow direction
The input terminal of device unit, flows to the output terminal of double active DC-DC converter units, power is by double active DC-DC converter units
And the output terminal of Sofe Switch single-phase inversion unit flows to low-voltage direct busbar；It is soft that three-phase four-wire system is flowed to by low-voltage direct busbar
The input terminal of switch two-way inverter unit, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 49：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted single by double active DC-DC converter units and photovoltaic Boost
The output terminal of member flows to low-voltage direct busbar；Three-phase four-wire system soft switch two-way inverter list is flowed to by low-voltage direct busbar respectively
The input terminal of member and the two-way inversion unit of Sofe Switch single-phase full bridge, flows to three-phase four-wire system soft switch two-way inverter unit and soft
The output terminal of the two-way inversion unit of switch single full-bridge；
Operating mode 50：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power flows to low-pressure direct by double active DC-DC converter unit output terminals
Flow busbar；Three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar respectively and Sofe Switch single-phase full bridge is double
To the input terminal of inversion unit, three-phase four-wire system soft switch two-way inverter unit and the two-way inversion of Sofe Switch single-phase full bridge are flowed to
The output terminal of unit；
Operating mode 51：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted single by double active DC-DC converter units, photovoltaic Boost
The output terminal of member and three-phase four-wire system soft switch two-way inverter unit flows to low-voltage direct busbar；By low-voltage direct busbar stream
To the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to；
Operating mode 52：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is soft by double active DC-DC converter units and three-phase four-wire system
The output terminal of switch two-way inverter unit flows to low-voltage direct busbar；It is double that Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar
To the input terminal of inversion unit, the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to；
Operating mode 53：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted by double active DC-DC converter units and photovoltaic Boost
The output terminal of unit flows to low-voltage direct busbar；Three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar
Input terminal, flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 54：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power flows to low pressure by the output terminal of double active DC-DC converter units
Dc bus；The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar, flows to three-phase four
The output terminal of line soft switch two-way inverter unit；
Operating mode 55：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted by double active DC-DC converter units and photovoltaic Boost
The output terminal of unit flows to low-voltage direct busbar；The defeated of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar
Enter end, flow to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
Operating mode 56：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power flows to low-pressure direct by double active DC-DC converter unit output terminals
Flow busbar；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, it is single-phase complete to flow to Sofe Switch
The output terminal of the two-way inversion unit of bridge；
Operating mode 57：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is converted single by double active DC-DC converter units, photovoltaic Boost
The output terminal of member and Sofe Switch single-phase inversion unit flows to low-voltage direct busbar；Three-phase four-wire system is flowed to by low-voltage direct busbar
The input terminal of soft switch two-way inverter unit, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 58：Power flows to three-phase PWM biphase rectification unit by the input terminal of three-phase PWM biphase rectification unit
Output terminal, flow to high voltage dc bus；By high voltage dc bus, the input terminal of double active DC-DC converter units is flowed to, is flowed
To the output terminal of double active DC-DC converter units, power is single-phase inverse by double active DC-DC converter units and Sofe Switch
The output terminal for becoming unit flows to low-voltage direct busbar；Three-phase four-wire system soft switch two-way inverter list is flowed to by low-voltage direct busbar
The input terminal of member, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit；
Operating mode 59：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to the input of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge respectively
End, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge；Together
When power the output terminals of double active DC-DC converter units is also flowed to by low-voltage direct busbar, flow to double active DC-DC converter units
Input terminal, power by double active DC-DC converter units input terminal and two-way isolated form Cuk soft switch conversion units output
End flows to high voltage dc bus, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit, flows to three-phase PWM
The input terminal of biphase rectification unit, flows to power distribution network；
Operating mode 60：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to the defeated of the two-way inversion unit of Sofe Switch single-phase full bridge
Outlet；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, flows to double active DC-DC
The input terminal of converter unit, input terminal and two-way isolated form Cuk soft switch conversion list of the power by double active DC-DC converter units
The output terminal of member flows to high voltage dc bus, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit, flows
To the input terminal of three-phase PWM biphase rectification unit, power distribution network is flowed to；
Operating mode 61：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to three-phase four-wire system soft switch two-way inverter unit input terminal respectively, flows to three-phase four-wire system soft switch two-way inversion
The output terminal of device unit；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, and flow direction is double
The input terminal of active DC-DC converter units, power are soft by the input terminal of double active DC-DC converter units and two-way isolated form Cuk
The output terminal of switch change-over unit flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification unit
Output terminal, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 62：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
The output terminal of the double active DC-DC converter units of busbar flow direction, flows to the input terminal of double active DC-DC converter units, power is by double
The output terminal of the input terminal of active DC-DC converter units and two-way isolated form Cuk soft switch conversion units flows to high voltage direct current mother
Line, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit, flows to the defeated of three-phase PWM biphase rectification unit
Enter end, flow to power distribution network；
Operating mode 63：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar,
Flow to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；Power also flows to double active DC- by low-voltage direct busbar at the same time
The output terminal of DC converter units, flows to the input terminal of double active DC-DC converter units, power is by double active DC-DC converter units
Input terminal and the output terminals of two-way isolated form Cuk soft switch conversion units flow to high voltage dc bus, by high voltage dc bus,
The output terminal of three-phase PWM biphase rectification unit is flowed to, the input terminal of three-phase PWM biphase rectification unit is flowed to, flows to power distribution network；
Operating mode 64：Power flows to low-voltage direct mother by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Line；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, it is double to flow to Sofe Switch single-phase full bridge
To the output terminal of inversion unit；Power is also flowed to the output terminal of double active DC-DC converter units, stream by low-voltage direct busbar at the same time
To the input terminal of double active DC-DC converter units, input terminal and two-way isolated form of the power by double active DC-DC converter units
The output terminal of Cuk soft switch conversion units flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification
The output terminal of unit, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 65：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar；The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar,
Flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit；Power is also double active by low-voltage direct busbar flow direction at the same time
The output terminal of DC-DC converter units, flows to the input terminal of double active DC-DC converter units, and power is converted single by double active DC-DC
The input terminal of member and the output terminal of two-way isolated form Cuk soft switch conversion units flow to high voltage dc bus, female by high voltage direct current
Line, flows to the output terminal of three-phase PWM biphase rectification unit, flows to the input terminal of three-phase PWM biphase rectification unit, flows to distribution
Net；
Operating mode 66：Power flows to low-voltage direct busbar by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar, flows to three-phase four-wire system Sofe Switch
The output terminal of two-way inverter unit；Power is also flowed to the output of double active DC-DC converter units by low-voltage direct busbar at the same time
End, flows to the input terminal of double active DC-DC converter units, power by double active DC-DC converter units input terminal and it is two-way every
The output terminal of release Cuk soft switch conversions unit flows to high voltage dc bus, and by high voltage dc bus, it is two-way to flow to three-phase PWM
The output terminal of rectification unit, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 67：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flow direction is double to be had
The input terminal of source DC-DC converter units, power by double active DC-DC converter units input terminal and two-way isolated form Cuk is soft opens
The output terminal for closing converter unit flows to high voltage dc bus, by high voltage dc bus, flows to the defeated of three-phase PWM biphase rectification unit
Outlet, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 68：Power flows to low-voltage direct mother by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Line, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to the defeated of double active DC-DC converter units
Enter end, power is by the input terminal of double active DC-DC converter units and the output terminal stream of two-way isolated form Cuk soft switch conversion units
To high voltage dc bus, by high voltage dc bus, the output terminal of three-phase PWM biphase rectification unit is flowed to, it is two-way to flow to three-phase PWM
The input terminal of rectification unit, flows to power distribution network；
Operating mode 69：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar, while power is also flowed to the output terminal of double active DC-DC converter units, stream by low-voltage direct busbar
To the input terminal of double active DC-DC converter units, input terminal and two-way isolated form of the power by double active DC-DC converter units
The output terminal of Cuk soft switch conversion units flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification
The output terminal of unit, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 70：Power by:The output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge flows to low-voltage direct busbar,
Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, and the double active DC-DC conversion of flow direction are single
Member input terminal, power by double active DC-DC converter units input terminal and two-way isolated form Cuk soft switch conversion units it is defeated
Outlet flows to high voltage dc bus, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit, flows to three-phase
The input terminal of PWM biphase rectification units, flows to power distribution network；
Operating mode 71：Power is by photovoltaic Boost converter units, the two-way inversion unit of Sofe Switch single-phase full bridge and three-phase four
The output terminal of line soft switch two-way inverter unit flows to low-voltage direct busbar；Double active DC- are flowed to by low-voltage direct busbar
The output terminal of DC converter units, flows to the input terminal of double active DC-DC converter units, power is by double active DC-DC converter units
Input terminal and the output terminals of two-way isolated form Cuk soft switch conversion units flow to high voltage dc bus, by high voltage dc bus,
The output terminal of three-phase PWM biphase rectification unit is flowed to, the input terminal of three-phase PWM biphase rectification unit is flowed to, flows to power distribution network；
Operating mode 72：Power is by the two-way inversion unit of Sofe Switch single-phase full bridge and three-phase four-wire system soft switch two-way inversion
The output terminal of device unit flows to low-voltage direct busbar；The output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar,
The input terminal of the double active DC-DC converter units of flow direction, input terminal and two-way isolation of the power by double active DC-DC converter units
The output terminal of type Cuk soft switch conversion units flows to high voltage dc bus, and by high voltage dc bus, it is two-way whole to flow to three-phase PWM
The output terminal of unit is flowed, the input terminal of three-phase PWM biphase rectification unit is flowed to, flows to power distribution network；
Operating mode 73：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to the input of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge respectively
End, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge；Together
When power the output terminals of double active DC-DC converter units is also flowed to by low-voltage direct busbar, flow to double active DC-DC converter units
Input terminal, flow to high voltage dc bus, by high voltage dc bus, flow to the output terminal of three-phase PWM biphase rectification unit and double
To the input terminal of isolated form Cuk soft switch conversion units, the input terminal of three-phase PWM biphase rectification unit and two-way isolated form are flowed to
The output terminal of Cuk soft switch conversion units；
Operating mode 74：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to the defeated of the two-way inversion unit of Sofe Switch single-phase full bridge
Outlet；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, flows to double active DC-DC
The input terminal of converter unit, flows to high voltage dc bus, by high voltage dc bus, flows to the defeated of three-phase PWM biphase rectification unit
The input terminal of outlet and two-way isolated form Cuk soft switch conversion units, flows to the input terminal of three-phase PWM biphase rectification unit and double
To the output terminal of isolated form Cuk soft switch conversion units；
Operating mode 75：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to the input terminal of three-phase four-wire system soft switch two-way inverter unit, flows to three-phase four-wire system soft switch two-way inverter
The output terminal of unit；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, and flow direction is double to be had
The input terminal of source DC-DC converter units, flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification list
The output terminal of member and the input terminal of two-way isolated form Cuk soft switch conversion units, flow to the input of three-phase PWM biphase rectification unit
End and the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 76：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units, by low-voltage direct
The output terminal of the double active DC-DC converter units of busbar flow direction, flows to the input terminal of double active DC-DC converter units, flows to high pressure
Dc bus, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk Sofe Switch
The input terminal of converter unit, flows to the input terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk soft switch conversion units
Output terminal；
Operating mode 77：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar,
Flow to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；Power also flows to double active DC- by low-voltage direct busbar at the same time
The output terminal of DC converter units, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high straightening
Busbar is flowed, flows to the output terminal of three-phase PWM biphase rectification unit and the input terminal of two-way isolated form Cuk soft switch conversion units,
Flow to the input terminal of three-phase PWM biphase rectification unit and the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 78：Power flows to low-voltage direct mother by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Line；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, it is double to flow to Sofe Switch single-phase full bridge
To the output terminal of inversion unit；Power is also flowed to the output terminal of double active DC-DC converter units, stream by low-voltage direct busbar at the same time
To the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high voltage dc bus, it is double to flow to three-phase PWM
The input terminal of output terminal and two-way isolated form Cuk soft switch conversion units to rectification unit, flows to three-phase PWM biphase rectification list
The input terminal of member and the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 79：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar, and the input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar,
Flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit；Power is also double active by low-voltage direct busbar flow direction at the same time
The output terminal of DC-DC converter units, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high pressure
Dc bus, flows to the input of the output terminal and two-way isolated form Cuk soft switch conversion units of three-phase PWM biphase rectification unit
End, flows to the input terminal of three-phase PWM biphase rectification unit and the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 80：Power flows to low-voltage direct busbar by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge,
The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar, flows to three-phase four-wire system Sofe Switch
The output terminal of two-way inverter unit；Power is also flowed to the output of double active DC-DC converter units by low-voltage direct busbar at the same time
End, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, by high voltage dc bus, flow to three-phase
The input terminal of the output terminal of PWM biphase rectification units and two-way isolated form Cuk soft switch conversion units, it is two-way to flow to three-phase PWM
The output terminal of the input terminal of rectification unit and two-way isolated form Cuk soft switch conversion units；
Operating mode 81：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flow direction is double to be had
The input terminal of source DC-DC converter units, flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification list
The output terminal of member and the input terminal of two-way isolated form Cuk soft switch conversion units, flow to the input of three-phase PWM biphase rectification unit
End and the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 82：Power flows to low-voltage direct mother by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Line, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to the defeated of double active DC-DC converter units
Enter end, flow to high voltage dc bus, by high voltage dc bus, flow to three-phase PWM biphase rectification unit output terminal and it is two-way every
The input terminal of release Cuk soft switch conversions unit, flows to the input terminal of three-phase PWM biphase rectification unit and two-way isolated form Cuk
The output terminal of soft switch conversion unit；
Operating mode 83：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar, and the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, and flow direction is double active
The input terminal of DC-DC converter units, flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification unit
Output terminal and two-way isolated form Cuk soft switch conversion units input terminal, flow to the input terminal of three-phase PWM biphase rectification unit
With the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 84：Power flows to low-voltage direct busbar by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge,
The output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to the input of double active DC-DC converter units
End, flows to high voltage dc bus, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit and two-way isolation
The input terminal of type Cuk soft switch conversion units, input terminal and the two-way isolated form Cuk for flowing to three-phase PWM biphase rectification unit are soft
The output terminal of switch change-over unit；
Operating mode 85：Power is by photovoltaic Boost converter units, three-phase four-wire system soft switch two-way inversion unit and soft opens
The output terminal for closing the two-way inversion unit of single-phase full bridge flows to low-voltage direct busbar, and double active DC-DC are flowed to by low-voltage direct busbar
The output terminal of converter unit, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high voltage direct current
Busbar, flows to the output terminal of three-phase PWM biphase rectification unit and the input terminal of two-way isolated form Cuk soft switch conversion units, stream
The output terminal of input terminal and two-way isolated form Cuk soft switch conversion units to three-phase PWM biphase rectification unit；
Operating mode 86：Power is by three-phase four-wire system soft switch two-way inversion unit and the two-way inversion of Sofe Switch single-phase full bridge
The output terminal of unit flows to low-voltage direct busbar, and the output terminal of double active DC-DC converter units, stream are flowed to by low-voltage direct busbar
To the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high voltage dc bus, it is double to flow to three-phase PWM
The input terminal of output terminal and two-way isolated form Cuk soft switch conversion units to rectification unit, flows to three-phase PWM biphase rectification list
The input terminal of member and the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 87：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to the input of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge respectively
End, flows to the output terminal of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge；Together
When power the output terminals of double active DC-DC converter units is also flowed to by low-voltage direct busbar, flow to double active DC-DC converter units
Input terminal, flow to high voltage dc bus, while power is also flowed to the input terminal of three-phase PWM biphase rectification unit by power distribution network,
Flow to the output terminal of three-phase PWM biphase rectification unit, flow to high voltage dc bus, finally by high voltage dc bus flow to it is two-way every
The input terminal of release Cuk soft switch conversions unit, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 88：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to the defeated of the two-way inversion unit of Sofe Switch single-phase full bridge
Outlet；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, flows to double active DC-DC
The input terminal of converter unit, flows to high voltage dc bus, while power also flows to three-phase PWM biphase rectification unit by power distribution network
Input terminal, flows to the output terminal of three-phase PWM biphase rectification unit, flows to high voltage dc bus, finally by high voltage dc bus stream
To the input terminal of two-way isolated form Cuk soft switch conversion units, the output of two-way isolated form Cuk soft switch conversion units is flowed to
End；
Operating mode 89：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
Busbar flows to three-phase four-wire system soft switch two-way inverter unit input terminal, flows to three-phase four-wire system soft switch two-way inverter list
The output terminal of member；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, and flow direction is double active
The input terminal of DC-DC converter units, flows to high voltage dc bus, while power also flows to three-phase PWM biphase rectification by power distribution network
The input terminal of unit, flows to the output terminal of three-phase PWM biphase rectification unit, high voltage dc bus is flowed to, finally by high voltage direct current
Busbar flows to the input terminal of two-way isolated form Cuk soft switch conversion units, flows to two-way isolated form Cuk soft switch conversion units
Output terminal；
Operating mode 90：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-voltage direct
The output terminal of the double active DC-DC converter units of busbar flow direction, flows to the input terminal of double active DC-DC converter units, flows to high pressure
Dc bus, while power is also flowed to the input terminal of three-phase PWM biphase rectification unit by power distribution network, and it is two-way whole to flow to three-phase PWM
The output terminal of unit is flowed, high voltage dc bus is flowed to, two-way isolated form Cuk soft switch conversions is finally flowed to by high voltage dc bus
The input terminal of unit, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 91：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar,
Flow to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；Power also flows to double active DC- by low-voltage direct busbar at the same time
The output terminal of DC converter units, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, while power
Also the input terminal of three-phase PWM biphase rectification unit is flowed to by power distribution network, flows to the output terminal of three-phase PWM biphase rectification unit, is flowed
To high voltage dc bus, the input terminal of two-way isolated form Cuk soft switch conversion units is finally flowed to by high voltage dc bus, is flowed to
The output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 92：Power flows to low-voltage direct mother by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Line；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, it is double to flow to Sofe Switch single-phase full bridge
To the output terminal of inversion unit；Power is also flowed to the output terminal of double active DC-DC converter units, stream by low-voltage direct busbar at the same time
To the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, while power also flows to three-phase PWM by power distribution network
The input terminal of biphase rectification unit, flows to the output terminal of three-phase PWM biphase rectification unit, flows to high voltage dc bus, finally by
High voltage dc bus flows to the input terminal of two-way isolated form Cuk soft switch conversion units, flows to two-way isolated form Cuk Sofe Switch and becomes
Change the output terminal of unit；
Operating mode 93：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar；The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar,
Flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit；Power is also double active by low-voltage direct busbar flow direction at the same time
The output terminal of DC-DC converter units, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, while work(
Rate is also flowed to the input terminal of three-phase PWM biphase rectification unit by power distribution network, flows to the output terminal of three-phase PWM biphase rectification unit,
High voltage dc bus is flowed to, the input terminal of two-way isolated form Cuk soft switch conversion units is finally flowed to by high voltage dc bus, is flowed
To the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 94：Power flows to low-voltage direct busbar by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；
The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar, flows to three-phase four-wire system Sofe Switch
The output terminal of two-way inverter unit；Power is also flowed to the output of double active DC-DC converter units by low-voltage direct busbar at the same time
End, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, while power also flows to three by power distribution network
The input terminal of phase PWM biphase rectification units, flows to the output terminal of three-phase PWM biphase rectification unit, flows to high voltage dc bus, most
The input terminal of two-way isolated form Cuk soft switch conversion units is flowed to by high voltage dc bus afterwards, flows to that two-way isolated form Cuk is soft to be opened
Close the output terminal of converter unit；
Operating mode 95：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flow direction is double to be had
The input terminal of source DC-DC converter units, flows to high voltage dc bus, while also to flow to three-phase PWM by power distribution network two-way whole for power
The input terminal of unit is flowed, the output terminal of three-phase PWM biphase rectification unit is flowed to, flows to high voltage dc bus, finally by high straightening
Stream busbar flows to the input terminal of two-way isolated form Cuk soft switch conversion units, flows to two-way isolated form Cuk soft switch conversion units
Output terminal；
Operating mode 96：Power flows to low-voltage direct mother by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Line, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to the defeated of double active DC-DC converter units
Enter end, flow to high voltage dc bus, while power is also flowed to the input terminal of three-phase PWM biphase rectification unit by power distribution network, flow direction
The output terminal of three-phase PWM biphase rectification unit, flows to high voltage dc bus, finally flows to two-way isolated form by high voltage dc bus
The input terminal of Cuk soft switch conversion units, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 97：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar, and the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, and flow direction is double active
The input terminal of DC-DC converter units, flows to high voltage dc bus, while power also flows to three-phase PWM biphase rectification by power distribution network
The input terminal of unit, flows to the output terminal of three-phase PWM biphase rectification unit, high voltage dc bus is flowed to, finally by high voltage direct current
Busbar flows to the input terminal of two-way isolated form Cuk soft switch conversion units, flows to two-way isolated form Cuk soft switch conversion units
Output terminal；
Operating mode 98：Power flows to low-voltage direct busbar by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge,
The output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to the input of double active DC-DC converter units
End, flows to high voltage dc bus, while power is also flowed to the input terminal of three-phase PWM biphase rectification unit by power distribution network, flows to three
The output terminal of phase PWM biphase rectification units, flows to high voltage dc bus, finally flows to two-way isolated form by high voltage dc bus
The input terminal of Cuk soft switch conversion units, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 99：Power is by photovoltaic Boost converter units, the two-way inversion unit of Sofe Switch single-phase full bridge and three-phase four
The output terminal of line soft switch two-way inverter unit flows to low-voltage direct busbar, and double active DC- are flowed to by low-voltage direct busbar
The output terminal of DC converter units, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, while power
Also the input terminal of three-phase PWM biphase rectification unit is flowed to by power distribution network, flows to the output terminal of three-phase PWM biphase rectification unit, is flowed
To high voltage dc bus, the input terminal of two-way isolated form Cuk soft switch conversion units is finally flowed to by high voltage dc bus, is flowed to
The output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 100：Power is inverse by the two-way inversion unit of Sofe Switch single-phase full bridge and three-phase four-wire system soft switch two-way
The output terminal for becoming device unit flows to low-voltage direct busbar, and the output of double active DC-DC converter units is flowed to by low-voltage direct busbar
End, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, while power also flows to three by power distribution network
The input terminal of phase PWM biphase rectification units, flows to the output terminal of three-phase PWM biphase rectification unit, flows to high voltage dc bus, most
The input terminal of two-way isolated form Cuk soft switch conversion units is flowed to by high voltage dc bus afterwards, flows to that two-way isolated form Cuk is soft to be opened
Close the output terminal of converter unit；
Operating mode 101：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-pressure direct
Stream busbar flows to the defeated of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge respectively
Enter end, flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge；
Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, and the double active DC-DC conversion of flow direction are single
The input terminal of member, flows to high voltage dc bus, the defeated of two-way isolated form Cuk soft switch conversion units is flowed to by high voltage dc bus
Enter end, flow to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 102：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-pressure direct
Stream busbar flows to the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to the two-way inversion unit of Sofe Switch single-phase full bridge
Output terminal；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, flows to double active DC-
The input terminal of DC converter units, flows to high voltage dc bus, and two-way isolated form Cuk soft switch conversions are flowed to by high voltage dc bus
The input terminal of unit, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 103：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-pressure direct
Stream busbar flows to three-phase four-wire system soft switch two-way inverter unit input terminal, flows to three-phase four-wire system soft switch two-way inverter
The output terminal of unit；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, and flow direction is double to be had
The input terminal of source DC-DC converter units, flows to high voltage dc bus, flows to that two-way isolated form Cuk is soft to be opened by high voltage dc bus
The input terminal of converter unit is closed, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 104：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-pressure direct
The output terminal of the double active DC-DC converter units of busbar flow direction is flowed, flows to the input terminal of double active DC-DC converter units, flow direction is high
Dc bus is pressed, the input terminal of two-way isolated form Cuk soft switch conversion units is flowed to by high voltage dc bus, flows to two-way isolation
The output terminal of type Cuk soft switch conversion units；
Operating mode 105：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar,
Flow to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；Power also flows to double active DC- by low-voltage direct busbar at the same time
The output terminal of DC converter units, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high straightening
Stream busbar flows to the input terminal of two-way isolated form Cuk soft switch conversion units, flows to two-way isolated form Cuk soft switch conversion units
Output terminal；
Operating mode 106：Power flows to low-voltage direct by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Busbar；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, flows to Sofe Switch single-phase full bridge
The output terminal of two-way inversion unit；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time,
The input terminal of the double active DC-DC converter units of flow direction, flows to high voltage dc bus, two-way isolation is flowed to by high voltage dc bus
The input terminal of type Cuk soft switch conversion units, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 107：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar；The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar,
Flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit；Power is also double active by low-voltage direct busbar flow direction at the same time
The output terminal of DC-DC converter units, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high pressure
Dc bus flows to the input terminal of two-way isolated form Cuk soft switch conversion units, flows to two-way isolated form Cuk soft switch conversion lists
The output terminal of member；Operating mode 108：Power flows to low-voltage direct mother by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge
Line；The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar, it is soft to flow to three-phase four-wire system
The output terminal of switch two-way inverter unit；Power also flows to double active DC-DC converter units by low-voltage direct busbar at the same time
Output terminal, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, is flowed to by high voltage dc bus double
To the input terminal of isolated form Cuk soft switch conversion units, the output terminal of two-way isolated form Cuk soft switch conversion units is flowed to；
Operating mode 109：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flow direction is double to be had
The input terminal of source DC-DC converter units, flows to high voltage dc bus, flows to that two-way isolated form Cuk is soft to be opened by high voltage dc bus
The input terminal of converter unit is closed, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 110：Power flows to low-voltage direct by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Busbar, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to double active DC-DC converter units
Input terminal, flows to high voltage dc bus, and the input of two-way isolated form Cuk soft switch conversion units is flowed to by high voltage dc bus
End, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 111：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar, and the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, and flow direction is double active
The input terminal of DC-DC converter units, flows to high voltage dc bus, and two-way isolated form Cuk Sofe Switch is flowed to by high voltage dc bus
The input terminal of converter unit, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 112：Power flows to low-voltage direct busbar by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge,
The output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to the input of double active DC-DC converter units
End, flows to high voltage dc bus, the input terminal of two-way isolated form Cuk soft switch conversion units is flowed to by high voltage dc bus, flows
To the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 113：Power is by photovoltaic Boost converter units, the two-way inversion unit of Sofe Switch single-phase full bridge and three-phase
The output terminal of four-wire system soft switch two-way inverter unit flows to low-voltage direct busbar, double active by low-voltage direct busbar flow direction
The output terminal of DC-DC converter units, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high pressure
Dc bus flows to the input terminal of two-way isolated form Cuk soft switch conversion units, flows to two-way isolated form Cuk soft switch conversion lists
The output terminal of member；
Operating mode 114：Power is inverse by the two-way inversion unit of Sofe Switch single-phase full bridge and three-phase four-wire system soft switch two-way
The output terminal for becoming device unit flows to low-voltage direct busbar, and the output of double active DC-DC converter units is flowed to by low-voltage direct busbar
End, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, by high voltage dc bus flow to it is two-way every
The input terminal of release Cuk soft switch conversions unit, flows to the output terminal of two-way isolated form Cuk soft switch conversion units；
Operating mode 115：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-pressure direct
Stream busbar flows to the defeated of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge respectively
Enter end, flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit and the two-way inversion unit of Sofe Switch single-phase full bridge；
Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, and the double active DC-DC conversion of flow direction are single
The input terminal of member, flows to high voltage dc bus, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit, flows
To the input terminal of three-phase PWM biphase rectification unit, power distribution network is flowed to；
Operating mode 116：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-pressure direct
Stream busbar flows to the input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge, flows to the two-way inversion unit of Sofe Switch single-phase full bridge
Output terminal；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, flows to double active DC-
The input terminal of DC converter units, flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification unit
Output terminal, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 117：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units；By low-pressure direct
Stream busbar flows to the input terminal of three-phase four-wire system soft switch two-way inverter unit, flows to three-phase four-wire system soft switch two-way inversion
The output terminal of device unit；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time, and flow direction is double
The input terminal of active DC-DC converter units, flows to high voltage dc bus, and by high voltage dc bus, it is two-way whole to flow to three-phase PWM
The output terminal of unit is flowed, the input terminal of three-phase PWM biphase rectification unit is flowed to, flows to power distribution network；
Operating mode 118：Power flows to low-voltage direct busbar by the output terminal of photovoltaic Boost converter units, by low-pressure direct
The output terminal of the double active DC-DC converter units of busbar flow direction is flowed, flows to the input terminal of double active DC-DC converter units, flow direction is high
Dc bus is pressed, by high voltage dc bus, the output terminal of three-phase PWM biphase rectification unit is flowed to, flows to three-phase PWM biphase rectification
The input terminal of unit, flows to power distribution network；
Operating mode 119：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar,
Flow to the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge；Power also flows to double active DC- by low-voltage direct busbar at the same time
The output terminal of DC converter units, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high straightening
Busbar is flowed, flows to the output terminal of three-phase PWM biphase rectification unit, flows to the input terminal of three-phase PWM biphase rectification unit, flow direction is matched somebody with somebody
Power grid；
Operating mode 120：Power flows to low-voltage direct by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Busbar；The input terminal of the two-way inversion unit of Sofe Switch single-phase full bridge is flowed to by low-voltage direct busbar, flows to Sofe Switch single-phase full bridge
The output terminal of two-way inversion unit；Power is also flowed to the output terminal of double active DC-DC converter units by low-voltage direct busbar at the same time,
The input terminal of the double active DC-DC converter units of flow direction, flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM
The output terminal of biphase rectification unit, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 121：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar, and the input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar,
Flow to the output terminal of three-phase four-wire system soft switch two-way inverter unit；Power is also double active by low-voltage direct busbar flow direction at the same time
The output terminal of DC-DC converter units, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high pressure
Dc bus, flows to the output terminal of three-phase PWM biphase rectification unit, flows to the input terminal of three-phase PWM biphase rectification unit, flow direction
Power distribution network；Operating mode 122：Power flows to low-voltage direct busbar by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge,
The input terminal of three-phase four-wire system soft switch two-way inverter unit is flowed to by low-voltage direct busbar, flows to three-phase four-wire system Sofe Switch
The output terminal of two-way inverter unit；Power is also flowed to the output of double active DC-DC converter units by low-voltage direct busbar at the same time
End, flows to the input terminal of double active DC-DC converter units, flows to high voltage dc bus, by high voltage dc bus, flow to three-phase
The output terminal of PWM biphase rectification units, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 123：Power is by photovoltaic Boost converter units and three-phase four-wire system soft switch two-way inverter unit
Output terminal flows to low-voltage direct busbar, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flow direction is double to be had
The input terminal of source DC-DC converter units, flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification
The output terminal of unit, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Operating mode 124：Power flows to low-voltage direct by the output terminal of three-phase four-wire system soft switch two-way inverter unit
Busbar, the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to double active DC-DC converter units
Input terminal, flows to high voltage dc bus, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit, flows to three
The input terminal of phase PWM biphase rectification units, flows to power distribution network；
Operating mode 125：Power by photovoltaic Boost converter units and the two-way inversion unit of Sofe Switch single-phase full bridge output
End flows to low-voltage direct busbar, and the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, and flow direction is double active
The input terminal of DC-DC converter units, flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM biphase rectification unit
Output terminal, flow to the input terminal of three-phase PWM biphase rectification unit, flow to power distribution network；
Operating mode 126：Power flows to low-voltage direct busbar by the output terminal of the two-way inversion unit of Sofe Switch single-phase full bridge,
The output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar, flows to the input of double active DC-DC converter units
End, flows to high voltage dc bus, by high voltage dc bus, flows to the output terminal of three-phase PWM biphase rectification unit, flow to three-phase
The input terminal of PWM biphase rectification units, flows to power distribution network；
Operating mode 127：Power is by photovoltaic Boost converter units, three-phase four-wire system soft switch two-way inversion unit and soft
The output terminal of the two-way inversion unit of switch single full-bridge flows to low-voltage direct busbar, and double active DC- are flowed to by low-voltage direct busbar
The output terminal of DC converter units, flows to the input terminal of double active DC-DC converter units, high voltage dc bus is flowed to, by high straightening
Busbar is flowed, flows to the output terminal of three-phase PWM biphase rectification unit, flows to the input terminal of three-phase PWM biphase rectification unit, flow direction is matched somebody with somebody
Power grid；
Operating mode 128：Power is two-way inverse by three-phase four-wire system soft switch two-way inversion unit and Sofe Switch single-phase full bridge
The output terminal for becoming unit flows to low-voltage direct busbar, and the output terminal of double active DC-DC converter units is flowed to by low-voltage direct busbar,
The input terminal of the double active DC-DC converter units of flow direction, flows to high voltage dc bus, by high voltage dc bus, flows to three-phase PWM
The output terminal of biphase rectification unit, flows to the input terminal of three-phase PWM biphase rectification unit, flows to power distribution network；
Table is noted：
First, unit defines
A units：Three-phase PWM biphase rectification unit
Unit B：Two-way isolated form Cuk soft switch conversion units
C cell：Double active DC/DC two-way changings units
D units：Three-phase four-wire system soft switch two-way inverter unit
E units：The two-way inversion unit of Sofe Switch single-phase full bridge
F cell：Photovoltaic Boost converter units
2nd, operational mode state defines
1st, define each unit energy and the unit output terminal is flowed to by each unit input terminal：1 state；
2nd, define each unit energy and the unit input terminal is flowed to by each unit output terminal：- 1 state；
3rd, the flowing of each unit noenergy is defined：0 state；
A kind of energy router apparatus applied to intelligent distributed energy network is realized, wherein double active DC/DC are double
It is as follows to the connection mode of converter unit：
The structure design of double active DC/DC two-way changings units, including 8 insulated gate bipolar transistor (IGBT power
Pipe), a high frequency transformer；It is divided into high-frequency inversion module, high frequency transformer module, rectification output module；High-frequency inversion module
Including 2 bridge arm (bridge arms：The collector of upper switch pipe is connected with the cathode of high voltage dc bus, and upper insulated gate bipolar is brilliant
The emitter of body pipe is connected to the collector of lower insulated gate bipolar transistor, and the emitter of lower insulated gate bipolar transistor connects
It is connected to high voltage dc bus anode)；The collector of 12,14th insulated gate bipolar transistor and high voltage dc bus cathode phase
Even, the emitter of the 13rd, 15 insulated gate bipolar transistor is connected to high voltage dc bus anode；12nd insulated gate bipolar
The emitter of transistor is connected to the collector of the 13rd insulated gate bipolar transistor；The hair of 14th insulated gate bipolar transistor
Emitter-base bandgap grading is connected to the collector of the 15th insulated gate bipolar transistor；
High frequency transformer module is formed by a single-phase high frequency transformer combination, connection mode：12nd insulated gate bipolar
The emitter of transistor is connected to high frequency transformer (T1) primary side cathode；The emitter connection of 14th insulated gate bipolar transistor
Paramount frequency power transformer (T1) primary side anode；The emitter of 16th insulated gate bipolar transistor is connected to high frequency transformer (T1) pair
Side cathode；The emitter of 18th insulated gate bipolar transistor is connected to high frequency transformer (T1) secondary anode；
Rectification output module is made of 4 insulated gate bipolar transistors, connection mode：16,18th insulated gate bipolar
The collector of transistor is connected with low-voltage direct busbar cathode, and the emitter of the 17th, 19 insulated gate bipolar transistor is connected to
Low-voltage direct busbar anode；The emitter of 16th insulated gate bipolar transistor is connected to the 17th insulated gate bipolar transistor
Collector；The emitter of 18th insulated gate bipolar transistor is connected to the collector of the 19th insulated gate bipolar transistor；
In technical scheme：The control method of double active DC/DC two-way changings units, comprises the following steps：
Step 1：Double active DC/DC two-way changings unit initialization；
Step 1.1 initializes main circuit, thermal-shutdown circuit, current foldback circuit, overvoltage crowbar
Step 1.2 is to capacitance C on high voltage dc bus1, capacitance C on low-voltage direct busbar2Into line precharge；
Step 2：Control panel and Acquisition Circuit are opened, samples each road electric signal；
Step 2.1 gathers high voltage dc bus and low-voltage direct bus voltage signal by Hall voltage sensor, successively
By signal adder, comparison amplifier, voltage follower obtains sampled signal needed for DSP；Adopted by Hall current sensor
Collect high voltage dc bus and low-voltage direct bus current signal；
The signal collected is sent into the ADC module input interface of DSPTM320F28335 by step 2.2；
Step 3：Determine whether that new input is set；Judge operating mode, calculate power shortage；
Step 3.1 detects whether that new input is set；Each input parameter is reinitialized if having；If nothing, continues
Perform downwards；
Step 3.2 calculates active power and the reactive power flow that high voltage dc bus flows through in real time with low-voltage direct busbar
It is dynamic；
Step 3.3 calculates power shortage, judges whether power by input terminal flows to output terminal；If it is then boosting Working mould
Formula；If not then perform 3.4
Step 3.4 judges whether power by output terminal flows to input terminal；If it is then decompression operating mode；If it is not, then
Shut down operating mode；
Step 4：Control method is selected, PWM is enabled and subfunction occurs；
Step 4.1 opens power tube S12,S14,S17,S18
It is brilliant to open the 12nd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 17th insulated gate bipolar
Body pipe, the 18th insulated gate bipolar transistor
Step 4.2 opens power tube S12,S15,S17,S18
It is brilliant to open the 12nd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 17th insulated gate bipolar
Body pipe, the 18th insulated gate bipolar transistor
Step 4.3 opens power tube S12,S15,S16,S19
It is brilliant to open the 12nd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 16th insulated gate bipolar
Body pipe, the 19th insulated gate bipolar transistor
Step 4.4 opens power tube S13,S15,S16,S19
It is brilliant to open the 13rd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 16th insulated gate bipolar
Body pipe, the 19th insulated gate bipolar transistor
Step 4.5 opens power tube S13,S14,S16,S19
It is brilliant to open the 13rd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 16th insulated gate bipolar
Body pipe, the 19th insulated gate bipolar transistor
Step 4.6 opens power tube S13,S14,S17,S18
It is brilliant to open the 13rd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 17th insulated gate bipolar
Body pipe, the 18th insulated gate bipolar transistor
Step 4.6 performs step 4.1
Step 5：Judge whether that overvoltage, overcurrent, excess temperature occurs；If stopping step 4 in the presence of if, start alarm；If it is not present
Continue to execute step 4；
Advantage of the present invention：A kind of energy source router applied to intelligent distributed energy network proposed in the present invention fills
Put and have the following advantages that：
1. the present invention proposes that distributed energy network is divided into 3 layers of tree-like frame of power grid by a kind of intelligent distributed network technique
Structure, top-down is respectively distribution stratum reticulare, micro-capacitance sensor layer and client layer.Distributed energy is realized on the basis of the overall architecture
The operation control of system and communication scheduling.
2. a kind of energy router apparatus applied to intelligent distributed energy network proposed by the present invention is capable of providing
The electric energy of plug and play, the present apparatus by Technics of Power Electronic Conversion technology realize voltage class in electric system convert, electrically every
From and energy transmission.Compared with traditional transformer, it has, and small, light-weight, no-load loss is small, is not required insulating oil etc. excellent
Point, not only plays the role of voltage of transformation, transmits energy, but also has fault current limiting, reactive power compensation concurrently, improves electric energy matter
Measure and provide the multiple functions such as standard interface for various equipment.
3. the device front end proposed in the present invention is using three-phase PWM biphase rectification unit and traditional single phase rectification solid-state transformation
Device compares capacity bigger, and output electric energy harmonic wave is less, and adds auxiliary resonance circuit, realizes rectifier unit switching device
ZVS soft starts.The double active DC-DC converter units proposed in the present apparatus, are different from traditional transformer, its be operated in 10KHZ with
On high frequency section so that the volume of transformer, weight substantially reduce in circuit；Meanwhile double active DC/DC power converter cells
Topology is mainly made of two symmetrical H bridges and high frequency transformer.Two symmetrical H bridges ensure that the two-way flow of energy：It is high
Frequency power transformer mainly completes the conversion of energy transmission and voltage class, in addition this topological structure ZVS easy to implement, therefore can be with
As high power density module, it is widely used in solid-state transformer.
4. conventional solid-state transformer control mode is single, the angle only stablized from control grid-connected voltage, while will be solid
State transformer is substituted as the simple low-loss of system transformer, it is impossible to realizes that the energy based on solid-state transformer coordinates control plan
Slightly；Be different from conventional solid-state transformer it is grid-connected when, electric energy only distributed energy is connected to the grid at low-voltage direct busbar, this dress
Put to propose and distributed generation resource is connected to the grid from each energy source terminal, energy transition form is more diversified, fundamentally realizes
The two-way flow of energy.Present apparatus multiple-unit topological structure determines that it is capable of providing multiple voltage grade electric energy, meets a variety of
Load and the demand of energy storage device；
In conclusion the present apparatus is proposed with of a relatively high energy density and transfer efficiency, it is more easily implemented at the same time
Multi-voltage grade accesses, alternating current-direct current mixing, therefore fundamentally real more suitable for the access of distributed generation resource and regenerative resource
The energy router topology structure of the two-way flow of the energy is showed.
The Core Feature of the present apparatus be the electric energy of the Distributed-generation equipment of different voltages grade output is converted to it is suitable
In the electric energy for the voltage class that power distribution network and electric appliance use.As the compatibility interface of distributed energy interchanger, the one of the present apparatus
End is connected to different energy sources subnet and electrical equipment in energy internet, and the other end is connected to power distribution network and some electric appliances are set
It is standby, realize the function of plug and play.Present apparatus power application electronics converter technique come realize the voltage transformation in electric system and
Energy transmission, compared with traditional transformer, it has the advantages that, and small, light-weight, no-load loss is small, insulating oil is not required,
Can not only voltage of transformation, transmit energy, and have concurrently fault current limiting, reactive power compensation, improve power quality and
The multiple functions such as standard interface are provided for various equipment.The Design of Hardware Architecture of the present apparatus makes electric energy in a device can be two-way
Flowing, it is achieved that in the energy internet electric energy two-way flow.
Brief description of the drawings：
Fig. 1 is 3 layers of power grid tree architecture figure of the intelligent distributed energy network of the present invention
Fig. 2 is a kind of principle frame of energy router apparatus applied to intelligent distributed energy network of the present invention
Figure；
Fig. 3 is a kind of circuit theory of energy router apparatus applied to intelligent distributed energy network of the present invention
Figure；
Fig. 4 is the three-phase PWM biphase rectification element circuit schematic diagram of the present invention；
Fig. 5 is the two-way isolated form Cuk soft switch conversions element circuit schematic diagram of the present invention；
Double active DC/DC two-way changings element circuit schematic diagrams of Fig. 6 present invention；
The three-phase four-wire system soft switch two-way inverter unit circuit diagram of Fig. 7 present invention；
The two-way inversion unit circuit diagram of Sofe Switch single-phase full bridge of Fig. 8 present invention；
The double active DC/DC two-way changings unit control flow charts of the implementation of Fig. 9 present invention；
The each unit energy flow schematic diagram of Figure 10 inventions；
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
As shown in Figure 1, distributed energy network is divided into 3 layers of power grid tree architecture by intelligent distributed network technology, from
Top is respectively distribution stratum reticulare, micro-capacitance sensor layer and client layer downwards.Distributed energy resource system is realized on the basis of the overall architecture
Operation control and communication scheduling.
As shown in Fig. 2, a kind of energy router apparatus applied to intelligent distributed energy network includes three-phase PWM pair
To rectification unit；High voltage dc bus；Two-way isolated form Cuk soft switch conversion units；Double active mistake DC/DC two-way changing lists
Member；Low-voltage direct busbar；Three-phase four-wire system soft switch two-way inverter unit；The two-way inversion unit of Sofe Switch single-phase full bridge；Institute
State the input of three-phase PWM biphase rectification unit with 10KV power distribution networks to be connected, the high voltage dc bus is two-way whole with three-phase PWM
Stream unit output terminal is connected, and the input terminal of the two-way isolated form Cuk soft switch conversion units is connected with high voltage dc bus,
Double active DC/DC two-way changings unit input terminals are connected with high voltage dc bus, and the low-voltage direct busbar has with double
Source DC/DC two-way changings unit output is connected；Two-way isolated form Cuk soft switch conversions unit output and DC load, energy storage
Equipment, Distributed-generation equipment are connected；The input terminal of three-phase four-wire system soft switch two-way inverter unit is female with low-voltage direct
Line is connected, and the input side of the two-way inversion unit of Sofe Switch single-phase full bridge is connected with low-voltage direct busbar；Three-phase four-wire system is soft
The output terminal of switch two-way inverter unit is connected with AC load, energy storage device, Distributed-generation equipment；Sofe Switch is single-phase
The outlet side of the two-way inversion unit of full-bridge is connected with AC load, energy storage device, Distributed-generation equipment；
As shown in figure 3, three-phase PWM biphase rectification unit input interface voltage exchanges for 10KV, 50HZ, output interface voltage
Be about 1.8KV for adjustable high-voltage dc voltage, double active DC/DC two-way changings unit output interface voltages be adjustable low-voltage direct
Electricity, 600V~800V, the output interface voltage of two-way isolated form Cuk soft switch conversion units are 240V direct currents, Sofe Switch list
The output interface of the two-way inversion unit of phase full-bridge is power frequency 50HZ, and 220V is exchanged, three-phase four-wire system soft switch two-way inverter list
The output interface of member is power frequency 50HZ, 380V alternating current；
As Fig. 4 corresponds to a kind of three-phase PWM of the energy router apparatus applied to intelligent distributed energy network pair
To rectification unit circuit diagram；
This unit includes the auxiliary resonance module of Three-Phase PWM Rectifier and the main circuit module two of Three-Phase PWM Rectifier
Point, three-phase auxiliary resonance module connection mode is resonant inductance L4 and clamping capacitance C3 series connection in auxiliary resonant branch, and auxiliary is opened
It is in parallel with the road that this is connected to close the 7th insulated gate bipolar transistor of pipe, its collector is connected with capacitance, emitter and resonant inductance
It is connected.The connection mode of main circuit module：The collector of 1st, 3,5 insulated gate bipolar transistor and high voltage dc bus cathode
It is connected；The emitter of 2,4,6th insulated gate bipolar transistor is connected with high voltage dc bus anode；1st insulated gate is double
The emitter of bipolar transistor is connected with the collector of the 2nd insulated gate bipolar transistor, the 3rd insulated gate bipolar transistor
Emitter be connected with the collector of the 4th insulated gate bipolar transistor；
The 1st inlet wire of power distribution network is connected to the emitter of the 1st insulated gate bipolar transistor, and the 2nd inlet wire of power distribution network is connected to
The emitter of 3rd insulated gate bipolar transistor, the 3rd inlet wire of power distribution network are connected to the transmitting of the 5th insulated gate bipolar transistor
Pole.
As Fig. 5 corresponds to a kind of two-way isolated form of the energy router apparatus applied to intelligent distributed energy network
Cuk soft switch conversion element circuit schematic diagrams；
This unit includes two-way isolated form Cuk circuit auxiliary resonance modules and two-way isolated form Cuk main circuit modules two
Point, the connection mode of wherein auxiliary resonance circuit is：Tr for three winding with the inverse-excitation type resonance transformer of magnetic core, N1, N2 are humorous
Shake the primary side winding of transformer Tr, N3 is the vice-side winding of resonance transformer Tr, primary side winding and vice-side winding counter coupled, S9 and
S10 is respectively the auxiliary switch of high-pressure side and low-pressure side, and D1 and D2 are to be connected in parallel on high-pressure side and low-pressure side main switch respectively
The resonant capacitance at both ends, winding N1, N2 are the resonant inductors of high pressure and low-pressure side, and N3 is counter coupled inductance coil, and D3 is
Booster diode in backfeed loop.Main circuit connection mode：The collector of 8th insulated gate bipolar transistor is connected to high pressure
Dc bus cathode；The emitter of 8th insulated gate bipolar transistor is connected to high voltage dc bus anode；9th insulated gate is double
The primary side winding for the inverse-excitation type resonance transformer that the collector of bipolar transistor passes through same magnetic core is being connected to high voltage dc bus just
Pole, the emitter of the 9th insulated gate bipolar transistor are connected to high voltage dc bus anode；10th insulated gate bipolar crystal
The primary side winding for the inverse-excitation type resonance transformer that the collector of pipe passes through same magnetic core is connected to 220V direct current output busbar cathodes, the
The emitter of 10 insulated gate bipolar transistors is connected to 220V direct current output busbar anode；11st insulated gate bipolar transistor
Collector be connected to 220V direct current output busbar cathodes；It is straight that the emitter of 11st insulated gate bipolar transistor is connected to 220V
Stream output busbar anode；
As Fig. 6 corresponds to a kind of double active DC/ of the energy router apparatus applied to intelligent distributed energy network
DC two-way changing element circuit schematic diagrams；
As shown in fig. 6, the structure design of double active DC/DC two-way changings units, including 8 insulated gate bipolar transistors
(IGBT power tubes), a high frequency transformer；It is divided into high-frequency inversion module, high frequency transformer module, rectification output module；It is high
Frequency inverter module includes 2 bridge arm (bridge arms：The collector of upper switch pipe is connected with the cathode of high voltage dc bus, upper insulation
The emitter of grid bipolar transistor is connected to the collector of lower insulated gate bipolar transistor, lower insulated gate bipolar transistor
Emitter be connected to high voltage dc bus anode)；The collector of 12,14th insulated gate bipolar transistor is female with high voltage direct current
Line cathode is connected, and the emitter of the 13rd, 15 insulated gate bipolar transistor is connected to high voltage dc bus anode；12nd insulated gate
The emitter of bipolar transistor is connected to the collector of the 13rd insulated gate bipolar transistor；14th insulated gate bipolar crystal
The emitter of pipe is connected to the collector of the 15th insulated gate bipolar transistor；
High frequency transformer module is formed by a single-phase high frequency transformer combination, connection mode：12nd insulated gate bipolar
The emitter of transistor is connected to high frequency transformer (T1) primary side cathode；The emitter connection of 14th insulated gate bipolar transistor
Paramount frequency power transformer (T1) primary side anode；The emitter of 16th insulated gate bipolar transistor is connected to high frequency transformer (T1) pair
Side cathode；The emitter of 18th insulated gate bipolar transistor is connected to high frequency transformer (T1) secondary anode；
Rectification output module is made of 4 insulated gate bipolar transistors, connection mode：16,18th insulated gate bipolar
The collector of transistor is connected with low-voltage direct busbar cathode, and the emitter of the 17th, 19 insulated gate bipolar transistor is connected to
Low-voltage direct busbar anode；The emitter of 16th insulated gate bipolar transistor is connected to the 17th insulated gate bipolar transistor
Collector；The emitter of 18th insulated gate bipolar transistor is connected to the collector of the 19th insulated gate bipolar transistor；
As Fig. 7 corresponds to a kind of three-phase four-wire system of the energy router apparatus applied to intelligent distributed energy network
Soft switch two-way inverter unit circuit diagram；
This unit includes three-phase auxiliary resonance module and three-phase four-wire system inverter main circuit module two parts, and three-phase auxiliary is humorous
Module of shaking connection mode is that auxiliary resonance branch is connected on low-voltage direct busbar cathode, includes auxiliary switch S32, clamping capacitance
C11 and resonant inductance L11.Auxiliary switch S32 connects with clamping capacitance C11, emitter and the clamping capacitance C11 of switching tube S32
It is connected, resonant inductance L11 and the road that this is connected are in parallel.
Three-phase four-wire system inverter main circuit module connection mode is：The current collection of 26,28,30th insulated gate bipolar transistor
Pole is connected to low-voltage direct busbar cathode；The emitter of 27,29,31st insulated gate bipolar transistor is connected to high voltage direct current mother
Line anode；The emitter of 26th insulated gate bipolar transistor is connected to the collector of the 27th insulated gate bipolar transistor, the
The emitter of 28 insulated gate bipolar transistors is connected to the collector of the 29th insulated gate bipolar transistor；30th insulated gate is double
The emitter of bipolar transistor is connected to the collector of the 31st insulated gate bipolar transistor；Three-phase four-wire system inverter main circuit mould
Block output terminal is connected with three-phase LC wave filters, and equivalent capacitance C9 forms the road connected with C10, is connected to low-voltage direct busbar
Positive and negative anodes；
8th inductance one end connects the emitter of the 30th insulated gate bipolar transistor, and one end is connected to three-phase alternating current A phases
Output terminal；9th inductance one end connects the emitter of the 28th insulated gate bipolar transistor, and one end is connected to three-phase alternating current B phases
Output terminal；10th inductance one end connects the emitter of the 26th insulated gate bipolar transistor, and one end is connected to three-phase alternating current C phases
Output terminal；13rd, 14,15 filter capacitor is respectively connected to three-phase alternating current A phases, B phases, C phase output terminals；Connect after other end parallel connection
C9 and C10 neutral points are connected to, is connected to the neutral conductor of three-phase alternating current
Such as Fig. 8, to correspond to a kind of Sofe Switch of the energy router apparatus applied to intelligent distributed energy network single-phase
The two-way inversion unit circuit diagram of full-bridge；
This unit includes auxiliary resonance module and single-phase full bridge inverter main circuit module two parts, the connection of auxiliary resonance module
Mode is：The power generation pole of 22nd insulated gate bipolar transistor is connected with the power generation pole of the 23rd insulated gate bipolar transistor, the
The collector of 23 insulated gate bipolar transistors is connected in series to the current collection of the 25th insulated gate bipolar transistor with resonant inductance L13
Pole；The collector of 22nd insulated gate bipolar transistor is connected with the collector of the 21st insulated gate bipolar transistor.Clamp electricity
Hold C12 and switching tube S22, S23, and the road parallel connection of the series connection of resonant capacitance composition.
The connection mode of main circuit module is：The collector of 20th, 24 insulated gate bipolar transistor is connected to low-pressure direct
Flow busbar cathode；The emitter of 21st, 25 insulated gate bipolar transistor is connected to low-voltage direct busbar anode, the 20th insulated gate
The emitter of bipolar transistor is connected to the collector of the 21st insulated gate bipolar transistor, the 24th insulated gate bipolar crystal
The emitter of pipe is connected to the collector of the 25th insulated gate bipolar transistor；The two-way inverter output end of single-phase full bridge is filtered with L
Ripple device is connected；
As shown in figure 9, five unit energy types of flow in apparatus described above, define each unit energy by input terminal stream
It is one state to output terminal, it is " -1 " state to define energy and flow to input terminal by each output terminal, defines energy and is not passed through each unit
For state " 0 "；The intrinsic ardware feature of solid-state transformer, makes it have a variety of feasible operational modes.Improve power supply reliability
With energy flow diversity, can be enumerated as 128 kinds according to energy flow direction according to above-mentioned definition each unit working status can transport
Row operating mode.(seeing attached list)
As shown in Figure 10, the control method of double active DC/DC two-way changings units, it is performed as follows：
Step 1：Double active DC/DC two-way changings unit initialization；
Step 1.1 initializes main circuit, thermal-shutdown circuit, current foldback circuit, overvoltage crowbar
Step 1.2 is to capacitance C on high voltage dc bus1, capacitance C on low-voltage direct busbar2Into line precharge；
Step 2：Control panel and Acquisition Circuit are opened, samples each road electric signal；
Step 2.1 gathers high voltage dc bus and low-voltage direct bus voltage signal by Hall voltage sensor, successively
By signal adder, comparison amplifier, voltage follower obtains sampled signal needed for DSP；Adopted by Hall current sensor
Collect high voltage dc bus and low-voltage direct bus current signal；
The signal collected is sent into the ADC module input interface of DSPTM320F28335 by step 2.2；
Step 3：Determine whether that new input is set；Judge operating mode, calculate power shortage；
Step 3.1 detects whether that new input is set；Each input parameter is reinitialized if having；If nothing, continues
Perform downwards；
Step 3.2 calculates active power and the reactive power flow that high voltage dc bus flows through in real time with low-voltage direct busbar
It is dynamic；
Step 3.3 calculates power shortage, judges whether power by input terminal flows to output terminal；If it is then boosting Working mould
Formula；If not then perform 3.4
Step 3.4 judges whether power by output terminal flows to input terminal；If it is then decompression operating mode；If it is not, then
Shut down operating mode；
Step 4：Control method is selected, PWM is enabled and subfunction occurs；
Step 4.1 opens power tube S12,S14,S17,S18
It is brilliant to open the 12nd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 17th insulated gate bipolar
Body pipe, the 18th insulated gate bipolar transistor
Step 4.2 opens power tube S12,S15,S17,S18
It is brilliant to open the 12nd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 17th insulated gate bipolar
Body pipe, the 18th insulated gate bipolar transistor
Step 4.3 opens power tube S12,S15,S16,S19
It is brilliant to open the 12nd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 16th insulated gate bipolar
Body pipe, the 19th insulated gate bipolar transistor
Step 4.4 opens power tube S13,S15,S16,S19
It is brilliant to open the 13rd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 16th insulated gate bipolar
Body pipe, the 19th insulated gate bipolar transistor
Step 4.5 opens power tube S13,S14,S16,S19
It is brilliant to open the 13rd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 16th insulated gate bipolar
Body pipe, the 19th insulated gate bipolar transistor
Step 4.6 opens power tube S13,S14,S17,S18
It is brilliant to open the 13rd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 17th insulated gate bipolar
Body pipe, the 18th insulated gate bipolar transistor
Step 4.6 performs step 4.1
Step 5：Judge whether that overvoltage, overcurrent, excess temperature occurs；If stopping step 4 in the presence of if, start alarm；If it is not present
Continue to execute step 4.
Claims (7)
- A kind of 1. energy router apparatus applied to intelligent distributed energy network, it is characterised in that：The energy source router Device includes A units：Three-phase PWM biphase rectification unit；Unit B：Isolation type bidirectional Sofe Switch Cuk converter units；C cell：It is double Active DC/DC converter units；D units：Three-phase four-wire system soft-switching inversion unit；E units：The two-way inversion of Sofe Switch single-phase full bridge Unit；F cell：Photovoltaic Boost converter units；Further include No.1 high direct voltage busbar；No. two DC low-voltage busbares；It is wherein double to have Source DC/DC converter units include close coupling and close high frequency transformer；The three-phase PWM biphase rectification unit input is connected with 10KV power grid busbares, the No.1 high direct voltage busbar and three Phase PWM rectification output ends are connected, and the input terminal of double active DC-DC units is connected with No.1 high voltage dc bus, described No. two DC low-voltage busbares are connected with double active DC-DC converter units outputs；The three-phase four-wire system ZVS-PWM inverters Input terminal is connected with No. two low-voltage direct busbares, the input side of Sofe Switch single-phase full bridge inversion unit and No. two low-voltage direct mothers Line is connected；Three-phase four-wire system ZVS-PWM inverter output ends are connected with threephase load；Sofe Switch single-phase full bridge inversion unit Outlet side be connected with single-phase load；The input terminal and No. two low-pressure directs of the two-way isolated form Cuk soft switch transducers Stream busbar is connected, and the output terminal of photovoltaic Boost is connected with No. two low-voltage direct busbares, two-way isolated form Cuk Sofe Switch The output terminal of converter is connected with energy storage device, and the input terminal of photovoltaic Boost is connected with photovoltaic sequence.
- 2. the energy router apparatus according to claim 1 applied to intelligent distributed energy network, its feature exists In：The auxiliary resonance branch of Three-Phase PWM Rectifier includes an auxiliary switch (S7), a resonant inductance (L4) and one Clamping capacitance (C3), clamping capacitance (C3) and resonant inductance (L4) series arm in series, auxiliary switch (S7) and the string Join branch circuit parallel connection；The auxiliary resonance branch of the two-way inversion unit of Sofe Switch single-phase full bridge includes the auxiliary switch of two Opposite direction connections Manage (S22) and (S23), a resonant inductance (L13) and a clamping capacitance (C12), wherein auxiliary switch (S22, S23) and Resonant inductance (L13) series arm in series, the series arm is in parallel with clamping capacitance (C12) to form auxiliary resonance branch Road, the road of the auxiliary resonance that is mainly characterized by having connected on busbar of three-phase four-wire system inverter Sofe Switch, includes auxiliary switch (S32), clamping capacitance (C11) and resonant inductance (L11), wherein auxiliary switch (S32) and clamping capacitance (C11) string in series Join branch, the series arm is in parallel with resonant inductance (L11) to form auxiliary resonance branch, have also been introduced on low-voltage direct busbar Photovoltaic energy, overall Design of Hardware Architecture realize the plug and play of multiport and efficiently using for the energy.
- 3. the energy router apparatus according to claim 1 applied to intelligent distributed energy network, its feature exists In：The Three-Phase PWM Rectifier, double active DC-DC converters, three-phase four-wire system ZVS-PWM inverters, Sofe Switch single-phase inversion Device, the connection mode of two-way isolated form Cuk soft switch transducers and photovoltaic Boost, the interface voltage that is capable of providing Characteristic；The Three-Phase PWM Rectifier input interface voltage is 10000V, 50HZ exchange, and output interface voltage is 18KV, double active DC-DC converter output interface voltage is 600V, and two-way isolated form Cuk soft switch transducer output interfaces voltage is 240V direct currents Electricity, Sofe Switch single-phase full-bridge inverter output interface are power frequency 50HZ, and 220V is exchanged, and three-phase four-wire system ZVS-PWM inverters are defeated Outgoing interface is power frequency 50HZ, 380V alternating current.
- 4. the controlling party of the energy router apparatus according to claim 1 applied to intelligent distributed energy network Method, it is characterised in that：The operation control of the distributed energy resource system is as follows：Distribution stratum reticulare is meeting grid supply quality, is supplying Under the requirement of electric reliability and security, using the Optimization scheduling algorithm under centralized control, realize that whole system is run Cost minimization and maximizing the benefits, on the basis of each distributed generation resource synchronizing mode is not changed, there is provided two-way reliable electricity Force flow and information flow, allow conventional power user that unnecessary electric energy is transmitted to and with point net, realize overall coordination optimization operation And energy-saving and emission-reduction；Micro-capacitance sensor layer has islet operation pattern respectively and the pattern that is incorporated into the power networks；When micro-capacitance sensor is operated in islet operation mould During formula, micro-capacitance sensor router controls the behavior of each distributed energy, protects with power distribution network router without any communication, independent coordination The card load supplying higher to priority, and can auto-returned grid-connect mode on demand；Client layer is according to the operation of micro-capacitance sensor layer Pattern uses different control strategies；When being incorporated into the power networks, client layer is mainly controlled using PQ；When micro-capacitance sensor islet operation, The normal operation of micro-capacitance sensor is maintained using V/F control strategies or droop control.
- 5. the controlling party of the energy router apparatus according to claim 4 applied to intelligent distributed energy network Method, it is characterised in that：The client/server adaptation scheme of the distributed energy resource system：Micro-capacitance sensor layer is coordinated micro- according to the predicted value of power grid Progress between power grid, power distribution network operation controller issue power adjusting, generation schedule, operational mode to micro-capacitance sensor control centre Order；Controllable of the micro-capacitance sensor as power distribution network；Micro-capacitance sensor layer is assisted by the state-detection to user terminal and information gathering Regulation and control power distribution processed；The equipment installation communication of client layer and control module, pass through communication bus and micro-capacitance sensor energy source router It is connected, responds the instruction of micro-capacitance sensor layer, while state to transmission terminal on micro-capacitance sensor layer and the data message needed for control；It is micro- The value of feedback that power grid layer is exported according to client layer, selects optimized operation pattern, so that the work of coordinates user layer each unit.
- 6. the controlling party of the energy router apparatus according to claim 4 applied to intelligent distributed energy network Method, it is characterised in that：It is that positive transmission state represents that energy is by each defeated with " 1 " that each unit energy flows to output terminal by input terminal Outlet flows to input terminal and is represented for reverse transfer state with " -1 ", and it is shutdown status " 0 " table to define energy and be not passed through each unit Show；The intrinsic ardware feature of energy source router, makes it have a variety of feasible operational modes；Improve power supply reliability and energy stream Dynamic diversity, can be enumerated as 128 kinds according to energy flow direction according to above-mentioned definition each unit working status can run Working mould Formula：Table is noted：(1), unit definesA units：Three-phase PWM biphase rectification unitUnit B：Isolation type bidirectional Sofe Switch Cuk converter unitsC cell：Double active DC/DC converter unitsD units：Three-phase four-wire system soft-switching inversion unitE units：The two-way inversion unit of Sofe Switch single-phase full bridgeF cell：Photovoltaic Boost converter units(2), operational mode state defines(1), it is state 1 when the energy of definition each unit flows to its output terminal by its input terminal；(2), it is state -1 when the energy of definition each unit flows to its input terminal by its output terminal；(3), it is state 0 to define when each unit noenergy flows.
- 7. the controlling party of the energy router apparatus according to claim 4 applied to intelligent distributed energy network Method, it is characterised in that：The control method of double active DC-DC converters, comprises the following steps：Step 1：Double active DC/DC two-way changings unit initialization；Step 1.1 initializes main circuit, thermal-shutdown circuit, current foldback circuit, overvoltage crowbarStep 1.2 is to capacitance C on high voltage dc bus1, capacitance C on low-voltage direct busbar2Into line precharge；Step 2：Control panel and Acquisition Circuit are opened, samples each road electric signal；Step 2.1 gathers high voltage dc bus and low-voltage direct bus voltage signal by Hall voltage sensor, passes sequentially through Signal adder, comparison amplifier, voltage follower obtain sampled signal needed for DSP；Gathered by Hall current sensor high Press dc bus and low-voltage direct bus current signal；The signal collected is sent into the ADC module input interface of DSPTM320F28335 by step 2.2；Step 3：Determine whether that new input is set；Judge operating mode, calculate power shortage；Step 3.1 detects whether that new input is set；Each input parameter is reinitialized if having；If nothing, continue downward Perform；Step 3.2 calculates active power and the reactive power flowing that high voltage dc bus flows through in real time with low-voltage direct busbar；Step 3.3 calculates power shortage, judges whether power by input terminal flows to output terminal；If it is then boost operating mode； If not then perform 3.4Step 3.4 judges whether power by output terminal flows to input terminal；If it is then decompression operating mode；If it is not, then shut down Operating mode；Step 4：Control method is selected, PWM is enabled and subfunction occurs；Step 4.1 opens power tube S12,S14,S17,S18Open the 12nd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 17th insulated gate bipolar transistor, 18th insulated gate bipolar transistorStep 4.2 opens power tube S12,S15,S17,S18Open the 12nd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 17th insulated gate bipolar transistor, 18th insulated gate bipolar transistorStep 4.3 opens power tube S12,S15,S16,S19Open the 12nd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 16th insulated gate bipolar transistor, 19th insulated gate bipolar transistorStep 4.4 opens power tube S13,S15,S16,S19Open the 13rd insulated gate bipolar transistor, the 15th insulated gate bipolar transistor, the 16th insulated gate bipolar transistor, 19th insulated gate bipolar transistorStep 4.5 opens power tube S13,S14,S16,S19Open the 13rd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 16th insulated gate bipolar transistor, 19th insulated gate bipolar transistorStep 4.6 opens power tube S13,S14,S17,S18Open the 13rd insulated gate bipolar transistor, the 14th insulated gate bipolar transistor, the 17th insulated gate bipolar transistor, 18th insulated gate bipolar transistorStep 4.6 performs step 4.1Step 5：Judge whether that overvoltage, overcurrent, excess temperature occurs；If stopping step 4 in the presence of if, start alarm；If there is no continue Perform step 4.
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