CN108199415B - A kind of modular microfluidic power grid and its method of accumulator cell charging and discharging coordinated control - Google Patents
A kind of modular microfluidic power grid and its method of accumulator cell charging and discharging coordinated control Download PDFInfo
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- CN108199415B CN108199415B CN201810095590.9A CN201810095590A CN108199415B CN 108199415 B CN108199415 B CN 108199415B CN 201810095590 A CN201810095590 A CN 201810095590A CN 108199415 B CN108199415 B CN 108199415B
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- 238000004134 energy conservation Methods 0.000 claims description 14
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Classifications
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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
- H02J3/381—Dispersed generators
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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
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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- H02J3/386—
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- H02J3/387—
-
- 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
- H02J3/48—Controlling the sharing of the in-phase component
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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
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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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of modular microfluidic power grid and its methods of accumulator cell charging and discharging coordinated control, battery can be made to be in stably and controllable charging and discharging state, stabilize storage battery energy fluctuation, accumulator cell charging and discharging characteristic is set to reach unanimity, reduce energy impact amplitude, improves the life of storage battery, power supply quality and power supply reliability.The modular microfluidic power grid includes multiple modules, wherein each module includes one of diesel-driven generator, battery, wind-driven generator, photovoltaic generator and load or more persons；Modular microfluidic power grid further includes the agent communication node that is arranged in each module to form sparse communication network；Agent communication node is used to that the interaction power of power relaxation module and modular microfluidic power grid to be arranged so that the accumulator cell charging and discharging power of multiple modules reaches unanimity in modular microfluidic power grid by sparse communication network interaction charge-discharge electric power information, and according to the power information of acquisition.
Description
Technical field
The present invention relates to micro-capacitance sensor technical fields more particularly to a kind of modular microfluidic power grid and its accumulator cell charging and discharging to coordinate
The method of control.
Background technique
Micro-capacitance sensor is a kind of by distributed generation resource, load, energy storage device, current transformer and monitoring and protecting device organic combination
Small-sized electric system together.Since traditional micro-capacitance sensor has common bus and multilevel control structure, to micro-capacitance sensor
Structure and capacity extension are extremely complex and expensive.Modular microfluidic power grid is by three port current transformers, battery, load, wind light generation
Unit and standby diesel-generator unit at.Modular microfluidic power grid is convenient for dilatation, and by operation control and energy management etc., can
Adverse effect, maximum limit are brought to power distribution network to realize module independent operating or interconnected operation, reduce intermittent distributed generation resource
Degree ground is contributed using renewable energy power supply, is improved power supply reliability and power quality, is realized from traditional diesel generation system
It unites to the transformation of clean energy resource electricity generation system.
From the point of view of national energy strategical planning, social industry development and power grid enterprises' development, modular microfluidic electric power network technique will
Opportunity and challenge is faced, the load on the following isolated island also gradually increases, and energy-storage system of accumulator is the weakness of micro-capacitance sensor
Link, the life of storage battery directly affect the income of micro-capacitance sensor, then battery energy management system should not take traditional power grid
Communication management mode is concentrated, therefore distributed energy storage has very big value on engineer application and island dissemination.
Distributed energy storage can be used for solving distributed generation resource access and load rapid growth running on to electric system
The problem of planning is brought and challenge.However, existing modular microfluidic power grid, in interconnected operation, the battery in each mould is in not
With charging and discharging state, energy fluctuation and impact amplitude it is big, can not only shorten the life of storage battery compared with, can also reduce power quality and
Power supply reliability, and cause system maintenance and operating cost higher.
Summary of the invention
An object of the present invention at least that, for how to overcome the above-mentioned problems of the prior art, provide one kind
Modular microfluidic power grid and its method of charge and discharge consistency coordinated control can make battery be in stably and controllable charge and discharge shape
State stabilizes storage battery energy fluctuation, accumulator cell charging and discharging characteristic is made to reach unanimity, reduce energy impact amplitude, improves battery
Service life, power supply quality and power supply reliability are convenient for system maintenance, and reduce the operation and maintenance cost of modular microfluidic power grid.
To achieve the goals above, the technical solution adopted by the present invention includes following aspects.
A kind of modular microfluidic power grid comprising multiple modules, wherein each module includes diesel-driven generator, battery, wind
One of power generator, photovoltaic generator and load or more persons；
Each independent power supply area of module composition, wherein diesel-driven generator and load are connected to distribution network, battery
It is connected to distribution network by three port current transformers, wind-driven generator is connected to distribution network, photovoltaic hair by alternating-current controller
Motor is connected to distribution network by inverter；Each module is connected to power transmission network by transformer；
The modular microfluidic power grid further includes the agent communication node that is arranged in each module to form sparse communication network
Network；Agent communication node is used for through sparse communication network interaction charge-discharge electric power information, and with each mould in modular microfluidic power grid
The Power Exchange energy conservation relation between energy conservation relation and module in block between each component units is constraint condition, root
Carry out the interaction power of setup module and modular microfluidic power grid according to the power information of acquisition so that multiple modules in modular microfluidic power grid
Accumulator cell charging and discharging power reach unanimity.
Preferably, at least one module is power relaxation module, and it is power pine that choosing, which has the module of diesel-driven generator,
Relaxation module, remaining is non-power relaxation module；Agent communication node and all non-power relaxation modules in power relaxation module
In the connection of agent communication node to be sent to it the charge-discharge electric power information of power relaxation module；Adjacent non-power relaxation mould
It is connected with each other between agent communication node in block mutually to send the charge-discharge electric power information of its said module.
Preferably, the battery is connected to the DC port of three port current transformers, and three port current transformers include:
AC-DC rectifier, the three-phase three-wire system structure with multiple reactors, disconnecting switch and diode composition,
And power limitation control mode is worked in, so that the active power of each module equivalent source output and reactive power is equal to it with reference to function
Rate；And
DC-AC inverter is constituted with multiple disconnecting switch, diode, transformer, reactor and capacitor
AC bus in three-phase four-wire system structure and module, and constant voltage constant frequency control model is worked in, so that battery output voltage
Amplitude and frequency remain unchanged, provide Voltage Reference for the power supply area in module.
Preferably, the energy conservation relation in the modular microfluidic power grid in each module between each component units are as follows:
Pbati=Pdsli+Ppvi+Pwti-PEi-Ploadi
Wherein, PbatiFor accumulator cell charging and discharging power, PdsliFor diesel-driven generator output power, PwtiFor wind-power electricity generation function
Rate, PpviFor photovoltaic generation power, PEiFor the power that exchanges of module and micro-capacitance sensor, PloadiFor bearing power.
Preferably, the Power Exchange energy conservation relation between the module:
Wherein, N is the quantity of module.
Preferably, it includes: to make that the accumulator cell charging and discharging power for making multiple modules in modular microfluidic power grid, which reaches unanimity,
The end-state of all batteries all converges to reference state Pbat0, Pbat0For accumulator cell charging and discharging power in modular microfluidic power grid
Average value.
A method of the accumulator cell charging and discharging coordinated control to the modular microfluidic power grid comprising:
Agent communication node passes through sparse communication network interaction charge-discharge electric power information；With each module in modular microfluidic power grid
The Power Exchange energy conservation relation between energy conservation relation and module between interior each component units is constraint condition, according to
The power information of acquisition carrys out the interaction power of setup module and modular microfluidic power grid so that multiple modules in modular microfluidic power grid
Accumulator cell charging and discharging power reaches unanimity.
Preferably, the method further includes: agent communication nodes in power relaxation module to all non-powers pines
Agent communication node in relaxation module sends the charge-discharge electric power information of power relaxation module；In adjacent non-power relaxation module
Agent communication node between mutually send the charge-discharge electric power information of its said module；Wherein, with the mould of diesel-driven generator
Block is power relaxation module, and the module without diesel-driven generator is non-power relaxation module.
Preferably, the method further includes: with the battery power P for including in charge-discharge electric power informationbatiIt is one
Cause property variable, and according to formula
I=2,3 ..., N j=1,2 ..., N
Come the interaction power P of i-th power relaxation module and modular microfluidic power grid when moment t is arranged inEi(t)；Wherein, N
For the quantity of module, aijFor the weighted adjacent coefficient in sparse communication network between i-th of battery and j-th of battery, if
Without information exchange between two batteries, then aijIt is 0, if having information exchange, a between two batteriesij> 0.
Preferably, the method further includes: between the agent communication node in adjacent power relaxation module mutually
Send the charge-discharge electric power information of its said module.
In conclusion by adopting the above-described technical solution, the present invention at least has the advantages that
Each module in modular microfluidic power grid can be by three port current transformers and other module interconnected operations, and lead to
Crossing sparse communication network progress module charge-discharge electric power information exchange makes the electric power storage of multiple modules by the mutual support of energy
Pond charge-discharge electric power reaches unanimity, and reduces and impacts to battery, improves the life of storage battery, while also improving power supply reliability；
Unified control framework is all had when module independence or networking operation, is smoothly switched, and power quality is good.Modular construction can be because
Ground suiting measures to different conditions carries out construction, and dilatation is simple, improves the cost performance of micro-capacitance sensor.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram in modular microfluidic power grid according to an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of three port according to an embodiment of the present invention current transformer.
Fig. 3 is modular microfluidic power grid energy relation schematic diagram according to an embodiment of the present invention.
Fig. 4 is the structural schematic diagram of sparse communication network according to an embodiment of the present invention.
Fig. 5~8 are the sample calculation analysis results according to embodiments of the present invention for carrying out Experimental modeling.
Specific embodiment
With reference to the accompanying drawings and embodiments, the present invention will be described in further detail, so that the purpose of the present invention, technology
Scheme and advantage are more clearly understood.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to
It is of the invention in limiting.
Modular microfluidic power grid according to an embodiment of the present invention includes that multiple modules and the agency being arranged in each module are logical
Believe node to form sparse communication network；Agent communication node is used for through sparse communication network interaction charge-discharge electric power information,
And with the Power Exchange energy between the energy conservation relation and module between each component units in each module in modular microfluidic power grid
Amount Conservation Relationship is constraint condition, and the interaction of power relaxation module Yu modular microfluidic power grid is arranged according to the power information of acquisition
Power is so that the accumulator cell charging and discharging power of multiple modules reaches unanimity in modular microfluidic power grid.
Fig. 1 shows the modular structure schematic diagram in modular microfluidic power grid according to an embodiment of the present invention.Modular microfluidic electricity
It may include multiple modules as shown in Figure 1 in net, to carry out dilatation conveniently by module number is increased.Wherein, often
A module 100 include one of diesel-driven generator 1, battery 2, wind-driven generator 3, photovoltaic generator 4 and load 5 or
The more persons of person, and each component units may be configured as the form of group, such as generating set and battery group etc..Diesel-driven generator 1
As backup power supply, can be selectively disposed according to actual needs in a module or multiple modules.
Each module 100 constitutes independent power supply area, and the alternating voltage in module is that 361V~418V (is illustrated as
400V)；Wherein, diesel-driven generator 1 and load 5 are connected to existing distribution network 21, and battery 2 passes through three port current transformers 6
It is connected to distribution network 21, wind-driven generator 3 is connected to distribution network 21 by alternating-current controller 7, and photovoltaic generator 4 passes through
DC-AC inverter 8 is connected to distribution network 21；Each module 100 by transformer 22 be connected to existing power transmission network 23 with
With other module networking operations, and bidirectional power exchange is carried out.Power transmission network 23 can be (as illustrated in the diagram using distribution voltage
10kV is higher) it transmits electricity to reduce the transmission loss of electric energy.
Fig. 2 shows the structural schematic diagrams of three port according to an embodiment of the present invention current transformer, and AC-DC-AC is used to tie
Structure is the core equipment of system configuration and energy scheduling.Battery is connected to DC port.Battery 2 not only can smoothly too
It is positive to can also compensate for the difference power between power generation and power consumption with the fluctuation of wind energy.Three port current transformer left parts are AC-DC
Rectifier 61, with multiple reactor L, disconnecting switch (V1u、V2u、V3u、V1d、V2d、V3d) and diode D constitute three-phase
Three-wire system structure, and power limitation control (PQ control) mode is worked in, make the active power and nothing of each module equivalent source S output
Function power is equal to its reference power, to realize the energy flow between each module equivalent source S.
Three port current transformer right parts are DC-AC inverters 62, with multiple disconnecting switch (V1~V12), two poles
In the three-phase four-wire system structure and module that pipe D, transformer T, reactor (La, Lb, Lc) and capacitor (Ca, Cb, Cc) are constituted
AC bus, and constant voltage constant frequency control (V/f control) mode is worked in, so that the amplitude of battery output voltage and frequency dimension
It holds constant, Voltage Reference is provided for the power supply area in module, to guarantee quality of voltage while carrying out electrical isolation.Wind
Power generator group and photovoltaic power generation unit are connect by three port current transformers with AC bus, are worked in maximum power point, sufficiently
Using renewable energy, when renewable energy deficiency, the diesel generating set in module is contributed as backup power source.
Fig. 3 shows tool, and there are four the moulds of above-mentioned module 100 (being represented sequentially as 100-1,100-2,100-3 and 100-4)
Block microgrid energy relation schematic diagram.In modular microfluidic power grid according to an embodiment of the present invention, each group in i-th of module
At the energy between unit (for example, diesel-driven generator 1, battery 2, wind-driven generator 3, photovoltaic generator 4 and load 5 etc.)
Measuring Conservation Relationship indicates are as follows:
Pbati=Pdsli+Ppvi+Pwti-PEi-Ploadi
Wherein, PbatiIt is accumulator cell charging and discharging power (for example, four modules correspond to Pbat1、Pbat2、Pbat3、Pbat4),
PdsliIt is diesel-driven generator output power (for example, only module 100-1 has diesel-driven generator, output power Pdsl1), Pwti
For wind-power electricity generation power, (four modules correspond to Pwt1、Pwt2、Pwt3、Pwt4), PpviIt is photovoltaic generation power (for example, four modules
Correspond to Ppv1、Ppv2、Ppv3、Ppv4), PEiPower is exchanged (for example, four modules correspond to P for module and micro-capacitance sensorE1、PE2、
PE3、PE4), PloadiIt is bearing power (for example, four modules correspond to Pload1、Pload2、Pload3、Pload4)。
Power Exchange energy conservation relation between the module interconnected in modular microfluidic power grid indicates are as follows:
Wherein, N is the quantity of module.
Fig. 4 shows the structural schematic diagram of sparse communication network according to an embodiment of the present invention.Wherein, 1 Agent,
Agent 2, Agent 3, Agent 4 is respectively the agent communication node being arranged in modules, the agent communication of each module
Respective charge-discharge electric power information is exchanged by sparse communication network between node.The battery for including in charge-discharge electric power information
Power PbatiFor consistency variable, it is desirable that the end-state of all batteries all converges to reference state Pbat0, Pbat0For modularization
The average value of accumulator cell charging and discharging power in micro-capacitance sensor.The connecting node of module and modular microfluidic power grid with diesel-driven generator
For power slack bus, corresponding module is power relaxation module, module and modular microfluidic without diesel-driven generator
The connecting node of power grid is non-power slack bus, and corresponding module is non-power relaxation module.Mould belonging to Agent 1
Block is power slack bus/module, and module belonging to Agent 2, Agent 3, Agent 4 is non-power relaxation module/node,
Consistency control can be carried out actively for the battery power in non-power relaxation module.Power slack bus is to all NOT functions
The charge-discharge electric power information of rate slack bus transmission power slack bus said module；Phase between adjacent non-power slack bus
Mutually send the charge-discharge electric power information of its said module.It in other embodiments, can also be between adjacent power slack bus
Mutually send the charge-discharge electric power information of its said module.
When to the coordinated control of charge and discharge consistency is carried out according to the modular microfluidic power grid of each embodiment, agent communication node
Pass through sparse communication network interaction charge-discharge electric power information；With the energy between each component units in each module in modular microfluidic power grid
The Power Exchange energy conservation relation measured between Conservation Relationship and module is constraint condition, is arranged according to the power information of acquisition
The interaction power of power relaxation module and modular microfluidic power grid so that in modular microfluidic power grid multiple modules accumulator cell charging and discharging
Power reaches unanimity.
Specifically, the battery power P to include in charge-discharge electric power informationbatiIt, can be according to formula for consistency variable
I=2,3 ..., N j=1,2 ..., N
Come the interaction power P of i-th non-power relaxation module and modular microfluidic power grid when moment t is arranged inEi(t)；Wherein,
N is the quantity of module, aijFor the weighted adjacent coefficient in sparse communication network between i-th of battery and j-th of battery, if
Without information exchange between two batteries, then aijIt is 0, if having information exchange, a between two batteriesij> 0.
Fig. 5~8 show the sample calculation analysis result for carrying out Experimental modeling according to embodiments of the present invention, wherein Fig. 5 is adjoining
Coefficient aijIt is adjacency coefficient a for 1, Fig. 6ijIt is adjacency coefficient a for 1.2, Fig. 7ijIt is adjacency coefficient a for 1.5, Fig. 8ijWhen being 1.7,
The process for all converging to reference state of battery in each module.Its show modular microfluidic power grid according to an embodiment of the present invention and
The method of its accumulator cell charging and discharging coordinated control can stabilize storage battery energy fluctuation, and accumulator cell charging and discharging characteristic is made to tend to one
It causes, reduces energy impact amplitude.
The above, the only detailed description of the specific embodiment of the invention, rather than limitation of the present invention.The relevant technologies
The technical staff in field is not in the case where departing from principle and range of the invention, various replacements, modification and the improvement made
It should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of modular microfluidic power grid, which is characterized in that the modular microfluidic power grid includes multiple modules, wherein each module
Including one of diesel-driven generator, battery, wind-driven generator, photovoltaic generator and load or more persons；
Each independent power supply area of module composition, wherein diesel-driven generator and load are connected to distribution network, and battery passes through
Three port current transformers are connected to distribution network, and wind-driven generator is connected to distribution network, photovoltaic generator by alternating-current controller
Distribution network is connected to by inverter；Each module is connected to power transmission network by transformer；
The modular microfluidic power grid further includes the agent communication node that is arranged in each module to form sparse communication network；Generation
It manages communication node to be used for through sparse communication network interaction charge-discharge electric power information, and with each in each module in modular microfluidic power grid
The Power Exchange energy conservation relation between energy conservation relation and module between component units is constraint condition, according to acquisition
Power information carry out the interaction power of setup module and modular microfluidic power grid so that in modular microfluidic power grid multiple modules electric power storage
Pond charge-discharge electric power reaches unanimity.
2. modular microfluidic power grid according to claim 1, which is characterized in that at least one module is power relaxation mould
Block, it is power relaxation module that choosing, which has the module of diesel-driven generator, remaining is non-power relaxation module；In power relaxation module
Agent communication node connect with the agent communication node in all non-power relaxation modules to be sent to it power relaxation module
Charge-discharge electric power information；It is connected with each other between agent communication node in adjacent non-power relaxation module mutually to send it
The charge-discharge electric power information of said module.
3. modular microfluidic power grid according to claim 1, which is characterized in that the battery is connected to three port current transformers
DC port, three port current transformers include:
AC-DC rectifier, the three-phase three-wire system structure with multiple reactors, disconnecting switch and diode composition, and work
Make in power limitation control mode, the active power of each module equivalent source output and reactive power is made to be equal to its reference power；With
And
DC-AC inverter, the three-phase constituted with multiple disconnecting switch, diode, transformer, reactor and capacitor
AC bus in four-wire system structure and module, and constant voltage constant frequency control model is worked in, so that the width of battery output voltage
Value and frequency remain unchanged, and provide Voltage Reference for the power supply area in module.
4. modular microfluidic power grid according to claim 1, which is characterized in that each in each module in the modular microfluidic power grid
Energy conservation relation between component units are as follows:
Pbati=Pdsli+Ppvi+Pwti-PEi-Ploadi
Wherein, PbatiFor accumulator cell charging and discharging power, PdsliFor diesel-driven generator output power, PwtiFor wind-power electricity generation power, Ppvi
For photovoltaic generation power, PEiFor the power that exchanges of module and micro-capacitance sensor, PloadiFor bearing power.
5. modular microfluidic power grid according to claim 1, which is characterized in that the Power Exchange energy between the module is kept
Permanent relationship:
Wherein, N is the quantity of module.
6. modular microfluidic power grid according to claim 1, which is characterized in that described to make multiple modules in modular microfluidic power grid
Accumulator cell charging and discharging power to reach unanimity include: that the end-state of all batteries is made all to converge to reference state Pbat0, Pbat0
For the average value of accumulator cell charging and discharging power in modular microfluidic power grid.
7. a kind of to according to claim 1 to the accumulator cell charging and discharging coordinated control of modular microfluidic power grid described in any one of 6
Method, which is characterized in that the described method includes:
Agent communication node passes through sparse communication network interaction charge-discharge electric power information；With each in each module in modular microfluidic power grid
The Power Exchange energy conservation relation between energy conservation relation and module between component units is constraint condition, according to acquisition
Power information carry out the interaction power of setup module and modular microfluidic power grid so that in modular microfluidic power grid multiple modules electric power storage
Pond charge-discharge electric power reaches unanimity.
8. the method according to the description of claim 7 is characterized in that the method further includes: in power relaxation module
Agent communication node of the agent communication node into all non-power relaxation modules sends the charge-discharge electric power of power relaxation module
Information；The charge-discharge electric power letter of its said module is mutually sent between agent communication node in adjacent non-power relaxation module
Breath；Wherein, the module with diesel-driven generator is power relaxation module, and the module without diesel-driven generator is non-power relaxation
Module.
9. the method according to the description of claim 7 is characterized in that the method further includes: with charge-discharge electric power information
In include battery power PbatiFor consistency variable, and according to formula
Come the interaction power P of i-th power relaxation module and modular microfluidic power grid when moment t is arranged inEi(t)；Wherein, N is mould
The quantity of block, aijFor the weighted adjacent coefficient in sparse communication network between i-th of battery and j-th of battery, if two
Without information exchange between battery, then aijIt is 0, if having information exchange, a between two batteriesij> 0.
10. according to the method described in claim 8, it is characterized in that, the method further includes adjacent power relaxation moulds
The charge-discharge electric power information of its said module is mutually sent between agent communication node in block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810095590.9A CN108199415B (en) | 2018-01-31 | 2018-01-31 | A kind of modular microfluidic power grid and its method of accumulator cell charging and discharging coordinated control |
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| CN201810095590.9A CN108199415B (en) | 2018-01-31 | 2018-01-31 | A kind of modular microfluidic power grid and its method of accumulator cell charging and discharging coordinated control |
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| CN108199415A CN108199415A (en) | 2018-06-22 |
| CN108199415B true CN108199415B (en) | 2018-12-21 |
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| RU2818206C1 (en) * | 2022-03-21 | 2024-04-25 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | Autonomous combined power supply system with renewable power sources and frequency-phase control of flexibility |
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| CN110932314A (en) * | 2019-11-19 | 2020-03-27 | 国网山西省电力公司大同供电公司 | Microgrid voltage consistency control method and device |
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| RU2818206C1 (en) * | 2022-03-21 | 2024-04-25 | Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации | Autonomous combined power supply system with renewable power sources and frequency-phase control of flexibility |
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