CN106253268A - Based on many power supplys multi-voltage grade load domestic intelligent energy router device - Google Patents
Based on many power supplys multi-voltage grade load domestic intelligent energy router device Download PDFInfo
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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
- H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
Abstract
A kind of based on many power supplys multi-voltage grade load domestic intelligent energy router device, including energy router, MPPT maximal power tracing DC DC module, energy storage two-way DC DC module, electromotor AC DC module, distributed photovoltaic battery, gas electricity generator, static switch QF1, QF2 and Real-Time Scheduling top-level server.Energy router device of the present invention can not only realize transformation function, moreover it is possible to provides the standard interface of various electrical energy form, can realize the access of various AC and DC power equipment including distributed power generation unit；The voltage x current of each port can be controlled in real time, it is achieved the electrical network demands such as energy management, trend scheduling.The dynamic characteristic of energy router device of the present invention is good, has reply short trouble, completes the functions such as low-voltage crossing；Can complete the collection of electric network data, the operation reserve for energy the Internet in larger scope provides big data foundation.
Description
Technical field
The present invention relates to a kind of based on many power supplys-multi-voltage grade load domestic intelligent energy router device, belong to the energy
The Internet transformation of electrical energy technical field.
Background technology
With tradition electrical network centralized energy distribution and scheduling, energy can only be from electrical network to the operational mode of user's one-way flow
Difference, in energy the Internet, the energy commercially can carry out with the form of peer-to-peer freely equity transaction and
Exchange, user be i.e. energy consumers be again the supplier of the energy.This open energy is mutual, to the energy the Internet energy
Access, control and transmission proposes challenge.Using for reference Internet switching equipment concept, design energy source router is as energy
Source produces, consumes, transmits the interface of infrastructure, it is achieved the input of different energy sources carrier, exports, change and stores.
Can be made up of Technics of Power Electronic Conversion and energy-storage units, communication unit and Decision Control unit three part by source router.
Energy stream between energy source router local area network and within LAN monitors and information in real time, and is led to by information
Road timely feedback energy stream mode.Control unit, according to feedback information, controls converters or energy storage device carries out phase
The energy conversion answered and storage action, it is ensured that energy high-quality, high reliability flow, it is achieved the energy between multiple distributed energy nets
Wind-light storage and load in amount exchange, routing management and same LAN are worked in coordination with and are dissolved.
The raising required with the household electricity quality of power supply, power supply reliability requires more and more higher, energy router conduct
Multiple-energy-source access device, by the Optimized Operation of energy, with the minimum constraints of electricity price, energy router is that one is integrated to be melted
Efficiently utilization and the electrical circuitry equipment of transmission that information technology with Technics of Power Electronic Conversion technology, realizes distributed energy are closed.Electric power
Electronics converter technique makes energy router for the electricity needed for the offer of various types of distributed power sources, energy storage device and novel load
Energy interface shape, including various voltages, the direct current of the magnitude of current or form of communication etc..Energy router not only can be from trunk distribution
Net obtains energy and passes to terminal use, simultaneously when the generated energy surplus of subnet, and can be by unnecessary energy feedback to backbone network.
Integrate and the ability of coordinated allocation additionally, energy router also should have LAN internal energy, i.e. energy in subnet is multidirectional
Flow freely.But, the most all of port all must possess to and fro flow of power ability, the interface being connected with load specially,
Only need energy output function；For special distributed energy interface, then have only to power absorption ability, and in order to fill
Dividing and utilize distributed energy, its interface also needs possess maximal power tracing (MPPT) function；And connect for connecting energy storage device
Mouthful, generally require energy in bidirectional flow ability.
Summary of the invention
It is an object of the invention to, integrate and coordinated allocation ability to widen the LAN internal energy of energy router,
The present invention proposes a kind of based on many power supplys-multi-voltage grade load domestic intelligent energy router device.
Realization the technical scheme is that, based on many power supplys-multi-voltage grade load domestic intelligent energy router dress
Put include energy router, MPPT maximal power tracing DC-DC module, energy storage bi-directional DC-DC module, electromotor AC-DC module,
Distributed photovoltaic battery, gas electricity generator, static switch QF1, QF2 and Real-Time Scheduling top-level server.
The input of described energy router connects 380 volts of AC networks by static switch QF1；Distributed photovoltaic battery
Output connects MPPT maximal power tracing DC-DC module；Energy storage device connects energy storage bi-directional DC-DC module；Gas electricity generator is defeated
Go out to connect electromotor AC-DC module；MPPT maximal power tracing DC-DC module outfan and electromotor AC-DC module outfan
Connect energy storage bi-directional DC-DC module；Energy storage bi-directional DC-DC module is bi-directionally connected energy router；The outfan of energy router
Connect charging pile module, 220/380V output AC port, 5/24V output AC port respectively.Static switch QF2 one end connects
380V AC network end, one end connects the ac voltage output of energy router, directly uses electric network source for user, will
Energy router bypasses.
The ARM+FPGA key control unit of described energy router connects Real-Time Scheduling top-level server；Core controls single
Unit receives the order that Real-Time Scheduling top-level server issues, and sends the state acquisition number of electricity consumption to Real-Time Scheduling top-level server
According to.
Described energy router includes isolating transformer, AC-DC rectification module, DC-AC inversion module and ARM+FPGA core
Heart control unit.Isolating transformer, AC-DC rectification module and three grades of changers of DC-AC inversion module are connected in series；ARM+FPGA
Key control unit connects isolating transformer, AC-DC rectification module and DC-AC inversion module respectively, is controlled them；
ARM+FPGA key control unit also controls MPPT maximal power tracing DC-DC module, energy storage bi-directional DC-DC module and electromotor
AC-DC module；ARM+FPGA key control unit also controls to export DC voltage and the alternating voltage of output.
Described isolating transformer achieves the isolation of energy router and civil power, by originally conventional three-stage topology structure letter
Dan Hua, practical, not only reduce cost by isolating transformer, and decrease the holistic cost of device, isolate change simultaneously
Depressor can realize the two-way flow of energy, impact when simultaneously decreasing energy feedback, on electrical network.
Described AC-DC rectification unit is bi-directional energy flow control, mono-in its outlet side dc bus and storage batteries D C-DC
Unit, the parallel connection of photovoltaic cell DC-DC unit, electromotor AC-DC unit, wherein storage batteries D C-DC unit realizes the discharge and recharge of battery
Function, photovoltaic cell DC-DC unit realizes the MPPT function of photovoltaic, and it is grid-connected that electromotor AC-DC unit realizes direct current, accumulator
DC-DC unit output DC voltage is as DC bus-bar voltage control, and wherein this device busbar voltage setting value is 650V.
Described ARM+FPGA control unit is by calculating electrical network electricity price and natural gas electricity price in real time, it is achieved to photovoltaic cell
Send instructions under DC-DC unit, electromotor AC-DC unit, storage batteries D C-DC unit, QF1, QF2, with electricity price minimum constraint bar
Part carries out United Dispatching.
Described DC-AC rectification unit, for directed energy output unit, is exchange 380V by DC voltage inversion, then leads to
Crossing output transformator transformation respectively is 380V, 220V, 24V, 5V power supply, it is achieved all standing of all kinds of alternating voltage of family, thus
Reduce the energy loss of household charger transformation link.
The invention has the beneficial effects as follows, energy router device of the present invention is an open energy carrier, can not only
Enough realize transformation function, moreover it is possible to provide the standard interface of various electrical energy form, can realize including distributed power generation unit
The access of various AC and DC power equipment；The voltage x current of each port can be controlled in real time, it is achieved energy management, tide
The electrical network demands such as stream scheduling.The dynamic characteristic of energy router device of the present invention is good, has reply short trouble, completes low pressure
The function such as pass through；Can complete the collection of electric network data, the operation reserve for energy the Internet in larger scope provides big data to depend on
According to.
Accompanying drawing explanation
Fig. 1 is the overall structure block diagram of energy router device of the present invention；
Fig. 2 is Real-Time Scheduling top-level server structural representation；
Fig. 3 is output transformer device structure schematic diagram；
Fig. 4 is apparatus of the present invention control strategy schematic diagrams.
Detailed description of the invention
The specific embodiment of the invention is as shown in drawings.
Fig. 1 is that the present embodiment structure based on many power supplys-multi-voltage grade load domestic intelligent energy router device is shown
It is intended to.Energy router, MPPT maximum work is included based on many power supplys-multi-voltage grade load domestic intelligent energy router device
Rate follows the tracks of DC-DC module, energy storage bi-directional DC-DC module, electromotor AC-DC module, distributed energy photovoltaic cell, fuel gas generation
Machine, static switch QF1, QF2 and Real-Time Scheduling top-level server.
Real-Time Scheduling top-level server structure is as shown in Figure 2；The alternating voltage of energy router exports as shown in Figure 3.
The present embodiment control strategy based on many power supplys-multi-voltage grade load domestic intelligent energy router device such as figure
Shown in 4.The control strategy of device is as follows:
(1) self-inspection state is entered after device starts, if device is faulty, it is initially cut civil power, now QF2 puts into, QF1
Disconnect；Secondly in the case of self-check of device is trouble-free, QF1 puts into, and QF2 disconnects.
(2) dispatch layer control strategy:
(A) electricity price, coal gas valency are as in real time price input FPGA+ARM controller, first determine whether the pass of electricity price and gas price
System, if electricity price is less than the price of coal gas generating, the most by day, illustrates to be now low power consumption, the most preferentially uses coal gas
Electromotor full power generates electricity, simultaneously the generating of photovoltaic battery panel also maximal power tracing, and accumulator is as the energy of the instantaneous switching of load
Amount regulation, if now load is more than generated energy, considers further that use civil power, if load is less than generated energy, accumulator has been filled
In the case of Man, energy back electrical network；At night, illustrate to be now low power consumption, the most preferentially use civil power, simultaneously accumulator
Energy adjustment as the instantaneous switching of load.
(B) if electricity price is more than the price of coal gas generating, the most by day, illustrate to be now peak of power consumption, the most preferentially
Using the generating of gas-driven generator full power, the simultaneously generating of photovoltaic battery panel also maximal power tracing, accumulator is instantaneous as load
The energy adjustment of switching, if now load is more than generated energy, considers further that use civil power, if load is less than generated energy, electric power storage
In the case of pond fills with, energy back electrical network；At night, illustrate now for peak of power consumption, now preferential gas-driven generator
Full power generates electricity, and accumulator is as the energy adjustment of the instantaneous switching of load simultaneously, and Real-Time Scheduling realizes the minimum final mesh of electricity price
Mark.
(3) key-course strategy, AC-DC rectification module, DC-AC inversion module, MPPT maximal power tracing DC-DC module,
Energy storage bi-directional DC-DC module, be IGBT brachium pontis and realize, key-course with DC bus-bar voltage stable at 650V as final goal,
First passing through battery tension and support 650V DC bus-bar voltage, when DC bus-bar voltage is less than 650V, output energy is less than
Input energy, if busbar voltage illustrates more than 650V, output energy is more than input energy, and accumulator is instantaneous as dc bus
Regulation, by input power and output timely feedback scheduling layer, it is achieved the Real-time Balancing of energy.
Claims (7)
1. one kind based on many power supplys-multi-voltage grade load domestic intelligent energy router device, it is characterised in that described device
Including energy router, MPPT maximal power tracing DC-DC module, energy storage bi-directional DC-DC module, electromotor AC-DC module, divide
Cloth photovoltaic cell, gas electricity generator, static switch QF1, QF2 and Real-Time Scheduling top-level server；Described energy router
Input connects 380 volts of AC networks by static switch QF1；The output of distributed photovoltaic battery connects MPPT maximal power tracing
DC-DC module；Energy storage device connects energy storage bi-directional DC-DC module；Gas electricity generator output connects electromotor AC-DC module；
MPPT maximal power tracing DC-DC module outfan and electromotor AC-DC module outfan connect energy storage bi-directional DC-DC module；
Energy storage bi-directional DC-DC module is bi-directionally connected energy router；The outfan of energy router connect respectively charging pile module, 220/
380V output AC port, 5/24V output AC port;
Static switch QF2 one end connects 380V AC network end, and one end connects the ac voltage output of energy router, is used for
User directly uses electric network source, is bypassed by energy router；
The ARM+FPGA key control unit of described energy router connects Real-Time Scheduling top-level server；Key control unit connects
Receive the order that Real-Time Scheduling top-level server issues, send the state acquisition data of electricity consumption to Real-Time Scheduling top-level server.
The most according to claim 1 based on many power supplys-multi-voltage grade load domestic intelligent energy router device, it is special
Levying and be, described energy router includes isolating transformer, AC-DC rectification module, DC-AC inversion module and ARM+FPGA core
Control unit；Isolating transformer, AC-DC rectification module and three grades of changers of DC-AC inversion module are connected in series；ARM+FPGA core
Heart control unit connects isolating transformer, AC-DC rectification module and DC-AC inversion module respectively, is controlled them；ARM+
Fpga core control unit also controls MPPT maximal power tracing DC-DC module, energy storage bi-directional DC-DC module and electromotor AC-
DC module；ARM+FPGA key control unit also controls to export DC voltage and the alternating voltage of output.
The most according to claim 2 based on many power supplys-multi-voltage grade load domestic intelligent energy router device, it is special
Levying and be, described isolating transformer achieves the isolation of energy router and civil power, by originally conventional three-stage topology structure letter
Dan Hua, practical, not only reduce cost by isolating transformer, and decrease the holistic cost of device, isolate change simultaneously
Depressor can realize the two-way flow of energy, impact when simultaneously decreasing energy feedback, on electrical network.
The most according to claim 2 based on many power supplys-multi-voltage grade load domestic intelligent energy router device, it is special
Levying and be, described AC-DC rectification unit is bi-directional energy flow control, mono-in its outlet side dc bus and storage batteries D C-DC
Unit, the parallel connection of photovoltaic cell DC-DC unit, electromotor AC-DC unit, wherein storage batteries D C-DC unit realizes the discharge and recharge of battery
Function, photovoltaic cell DC-DC unit realizes the MPPT function of photovoltaic, and it is grid-connected that electromotor AC-DC unit realizes direct current, accumulator
DC-DC unit output DC voltage is as DC bus-bar voltage control, and wherein this device busbar voltage setting value is 650V.
The most according to claim 2 based on many power supplys-multi-voltage grade load domestic intelligent energy router device, it is special
Levying and be, described ARM+FPGA control unit is by calculating electrical network electricity price and natural gas electricity price in real time, it is achieved to photovoltaic cell DC-
Send instructions under DC unit, electromotor AC-DC unit, storage batteries D C-DC unit, QF1, QF2, enter with the minimum constraints of electricity price
Row United Dispatching.
The most according to claim 2 based on many power supplys-multi-voltage grade load domestic intelligent energy router device, it is special
Levy and be, described DC-AC rectification unit, for directed energy output unit, it is exchange 380V by DC voltage inversion, then passes through
Output transformator transformation respectively is 380V, 220V, 24V, 5V power supply, it is achieved all standing of all kinds of alternating voltage of family, thus subtracts
The energy loss of few household charger transformation link.
The most according to claim 1 based on many power supplys-multi-voltage grade load domestic intelligent energy router device, it is special
Levying and be, the control strategy of described device is as follows:
(1) self-inspection state is entered after device starts, if device is faulty, it is initially cut civil power, now QF2 puts into, QF1
Disconnect；Secondly in the case of self-check of device is trouble-free, QF1 puts into, and QF2 disconnects；
(2) dispatch layer control strategy:
(A) electricity price, coal gas valency are as in real time price input FPGA+ARM controller, first determine whether the pass of electricity price and gas price
System, if electricity price is less than the price of coal gas generating, the most by day, illustrates to be now low power consumption, the most preferentially uses coal gas
Electromotor full power generates electricity, simultaneously the generating of photovoltaic battery panel also maximal power tracing, and accumulator is as the energy of the instantaneous switching of load
Amount regulation, if now load is more than generated energy, considers further that use civil power, if load is less than generated energy, accumulator has been filled
In the case of Man, energy back electrical network；At night, illustrate to be now low power consumption, the most preferentially use civil power, simultaneously accumulator
Energy adjustment as the instantaneous switching of load；
(B) if electricity price is more than the price of coal gas generating, the most by day, illustrate to be now peak of power consumption, the most preferentially use
Gas-driven generator full power generates electricity, simultaneously the generating of photovoltaic battery panel also maximal power tracing, and accumulator is as the instantaneous switching of load
Energy adjustment, if now load is more than generated energy, consider further that use civil power, if load is less than generated energy, accumulator is
In the case of being full of, energy back electrical network；At night, illustrate now for peak of power consumption, the now full merit of preferential gas-driven generator
Rate generates electricity, and accumulator is as the energy adjustment of the instantaneous switching of load simultaneously, and Real-Time Scheduling realizes the minimum final goal of electricity price；
(3) key-course strategy, AC-DC rectification module, DC-AC inversion module, MPPT maximal power tracing DC-DC module, energy storage
Bi-directional DC-DC module, be IGBT brachium pontis and realize, key-course with DC bus-bar voltage stable at 650V as final goal, first
Supporting 650V DC bus-bar voltage by battery tension, when DC bus-bar voltage is less than 650V, output energy is less than input
Energy, if busbar voltage illustrates more than 650V, output energy is more than input energy, and accumulator is as the instantaneous tune of dc bus
Joint, by input power and output timely feedback scheduling layer, it is achieved the Real-time Balancing of energy.
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| CN106786771A (en) * | 2017-01-22 | 2017-05-31 | 中国电力科学研究院 | A kind of energy internet energy source router and energy processing method |
| CN107465209A (en) * | 2017-09-16 | 2017-12-12 | 国家电网公司 | New distribution net system and method based on energy source router |
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| CN107465209A (en) * | 2017-09-16 | 2017-12-12 | 国家电网公司 | New distribution net system and method based on energy source router |
| CN107492941A (en) * | 2017-10-16 | 2017-12-19 | 四川航电微能源有限公司 | Charging pile device based on airport ground power supply |
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