CN109693561A - It fills and changes integrated electrical changing station and its system - Google Patents

It fills and changes integrated electrical changing station and its system Download PDF

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Publication number
CN109693561A
CN109693561A CN201710994101.9A CN201710994101A CN109693561A CN 109693561 A CN109693561 A CN 109693561A CN 201710994101 A CN201710994101 A CN 201710994101A CN 109693561 A CN109693561 A CN 109693561A
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CN
China
Prior art keywords
energy
changing station
electric energy
electrical changing
module
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Pending
Application number
CN201710994101.9A
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Chinese (zh)
Inventor
郭天瑞
李攀
翁志福
兰志波
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SHANGHAI DIANBA NEW ENERGY TECHNOLOGY Co Ltd
Aulton New Energy Automotive Technology Co Ltd
Original Assignee
SHANGHAI DIANBA NEW ENERGY TECHNOLOGY Co Ltd
Aulton New Energy Automotive Technology Co Ltd
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Application filed by SHANGHAI DIANBA NEW ENERGY TECHNOLOGY Co Ltd, Aulton New Energy Automotive Technology Co Ltd filed Critical SHANGHAI DIANBA NEW ENERGY TECHNOLOGY Co Ltd
Priority to CN201710994101.9A priority Critical patent/CN109693561A/en
Publication of CN109693561A publication Critical patent/CN109693561A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/12Electric charging stations
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/14Plug-in electric vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Abstract

It is filled the invention discloses one kind and changes integrated electrical changing station and its system, to change integrated electrical changing station system include: DC bus, photovoltaic system, wind power system and central Energy Management System wherein filling;DC bus is electrically connected with photovoltaic system and wind power system respectively;DC bus is for the transmission channel as electrical changing station electric energy;Central Energy Management System is communicated to connect with photovoltaic system, wind power system respectively;Photovoltaic system is for converting solar energy into the first electric energy, and the first power transmission issued according to central Energy Management System instructs and the first electric energy is transferred on DC bus;Wind power system is for converting wind energy into the second electric energy, and the second power transmission issued according to central Energy Management System instructs and the second electric energy is transferred on DC bus;Electrical changing station electric energy includes the first electric energy and the second electric energy.Of the invention fill changes integrated electrical changing station system and adequately utilizes the first electric energy and the second electric energy, alleviates power grid pressure, improves the utilization of resources, protects environment.

Description

It fills and changes integrated electrical changing station and its system
Technical field
The present invention relates to electric car electric charging technical fields, in particular to one kind, which is filled, changes integrated electrical changing station and its system.
Background technique
It is encouraging under the big flag using clean energy vehicle national strategy, electric car is possessing more and more extensive Market.In China, electric car has gradually become the emphasis that auto industry and energy industry develop, with the popularization of electric car, How the effective electric charging for quickly solving the problems, such as electric car, which becomes, currently attracts most attention.
Electrical changing station energy resource structure is single at present, and limitation is larger, mainly there is following defect:
Rechargeable battery position in storehouse is fixed, and electric energy supply lines are single;
Energy source is single, is mainly derived from power grid, is limited by the application electricity consumption to power grid, it is more difficult to expanded, and Peak period is big to the use pressure of power grid, is only also unfavorable for comprehensive utilization of energy and energy conservation and environmental protection using the electricity of power grid.
The ability of power grid is not fed back, and existing electrical changing station does not have peak load shifting function, night charging accounting is opposite Less in charging on daytime accounting, resource is not fully utilized.
It eliminates the Vehicular battery to get off not to be utilized effectively in electrical changing station, echelon utilizes insufficient.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome the electric energy of the charging of electrical changing station to be in the prior art only derived from electricity Net is caused to power grid, and is not carried out the defect of the comprehensive utilization of multiple-energy-source, is provided one kind and is filled and changes integrated electrical changing station and its be System.
The present invention is to solve above-mentioned technical problem by following technical proposals:
One kind fills integrated electrical changing station system of changing, it is described fill change integrated electrical changing station system include: DC bus, photovoltaic system, Wind power system and central Energy Management System;
The DC bus is electrically connected with the photovoltaic system and the wind power system respectively;
The DC bus is for the transmission channel as electrical changing station electric energy;
The central Energy Management System includes first communication module, passes through central Energy described in the first communication module Management system is communicated to connect with the photovoltaic system, the wind power system respectively;
The photovoltaic system is used for for converting solar energy into the first electric energy, the central Energy Management System to described Photovoltaic system sends the instruction of the first power transmission, and the photovoltaic system is also used to after receiving the first power transmission instruction, will be described First electric energy is transferred on the DC bus;
For converting wind energy into the second electric energy, the central Energy Management System is also used to described the wind power system Wind power system sends the instruction of the second power transmission, and the wind power system is also used to after receiving the second power transmission instruction, will be described Second electric energy is transferred on the DC bus;
The electrical changing station electric energy includes first electric energy and second electric energy.
Preferably, the photovoltaic system includes photovoltaic panel and photovoltaic controller;
The photovoltaic controller includes second communication module, passes through the first communication module and the second communication mould Block, the central Energy Management System and the photovoltaic controller communicate to connect;
The photovoltaic controller is electrically connected with the DC bus;
The solar energy is transmitted to the photovoltaic controller for receiving solar energy by the photovoltaic panel;
The photovoltaic controller is used to convert first electric energy for the solar energy, and is referred to according to first power transmission It enables, first electric energy is transferred on the DC bus.
Preferably, the wind power system includes blower and controller of fan;
The controller of fan includes third communication module, passes through the first communication module and the third communication mould Block, the central Energy Management System and the controller of fan communicate to connect;
The controller of fan is electrically connected with the DC bus;
The wind energy is transmitted to the controller of fan for receiving wind energy by the blower;
The wind energy transformation is second electric energy by the controller of fan, and according to second power transmission instruction, will Second electric energy is transferred on the DC bus.
Fill that change integrated electrical changing station system further include energy-storage system preferably, described;
The energy-storage system includes bi-directional DC-DC charging module and energy-storage battery;
The bi-directional DC-DC charging module includes fourth communication module, passes through the first communication module and the described 4th Communication module, the central Energy Management System and the bi-directional DC-DC charging module communicate to connect;
The bi-directional DC-DC charging module is electrically connected with the DC bus;
The central Energy Management System, which is also used to send energy-storage battery charging to the bi-directional DC-DC charging module, to be referred to It enables, the bi-directional DC-DC charging module is used for after receiving the energy-storage battery charging instruction, is received on the DC bus The electrical changing station electric energy, and by the electrical changing station electric energy be the energy-storage battery charge.
Preferably, the central Energy Management System is also used to send energy-storage battery power transmission to bi-directional DC-DC charging module Instruction, the bi-directional DC-DC charging module is also used to after receiving the energy-storage battery power transmission instruction, by the energy-storage battery The third electric energy of middle storage is transmitted on the DC bus;
The electrical changing station electric energy further includes the third electric energy.
Fill that change integrated electrical changing station system further include two-way AC-DC module preferably, described;
The two-way AC-DC module includes fifth communication module, passes through the first communication module and the fifth communication Module, the central Energy Management System and the two-way AC-DC module communicate to connect;
The two-way AC-DC module is electrically connected with the DC bus and power grid respectively;
The central Energy Management System is also used to send power grid electric energy to two-way AC-DC module and receives instruction, described double After receiving instruction for receiving the power grid electric energy to AC-DC module, alternating current is received from the power grid, and by the exchange Electrotransformation is that the 4th electric energy is transferred on the DC bus;
The electrical changing station electric energy further includes the 4th electric energy.
Preferably, the central Energy Management System is also used to send power grid electric energy feedback to the two-way AC-DC module Instruction, after the two-way AC-DC module is also used to receive the power grid electric energy feedback command, by the institute on the DC bus It states electrical changing station electric energy and is converted into alternating current and feed back to the power grid.
Fill that change integrated electrical changing station system further include changing electric system preferably, described;
The electric system of changing includes DC-DC charging module and changes battery;
The DC-DC charging module includes the 6th communication module, passes through the first communication module and the 6th communication Module, the central Energy Management System and the DC-DC charging module communicate to connect;
The DC-DC charging module is electrically connected with the DC bus;
The central Energy Management System, which is also used to send to the DC-DC charging module, changes battery charging instruction, institute State DC-DC charging module for receive it is described change battery charging instruction after, receive on the DC bus described changes Power station electric energy, and be that the battery that changes charges by the electrical changing station electric energy.
Fill that change integrated electrical changing station system further include fast charge DC-DC module preferably, described;
The fast charge DC-DC module includes the 7th communication module, passes through the first communication module and the 7th communication Module, the central Energy Management System and the fast charge DC-DC module communicate to connect;
The fast charge DC-DC module is electrically connected with the DC bus;
The central Energy Management System is also used to send fast charge instruction, the fast charge DC- to the fast charge DC-DC module DC module is used for after receiving the fast charge instruction, receives the electrical changing station electric energy on the DC bus, and pass through institute Electrical changing station electric energy is stated as electric car charging.
Preferably, the charge power of the DC-DC charging module is 20 kilowatts.
Preferably, the charge power of the fast charge DC-DC module is 350 kilowatts.
Preferably, the electrical changing station electric energy that the central Energy Management System is also used to work as on the DC bus is more than Preset first threshold, the quantity of the electric vehicle to charge are less than second threshold, change the quantity of battery less than third threshold value When, control the electrical changing station electric energy on DC bus described in the two-way AC-DC module be converted into alternating current feed back to it is described Power grid.
Preferably, the two-way AC-DC module is also used to adjust the operating voltage of the DC bus, the operating voltage Range be 1000V~1500V.
Preferably, the central Energy Management System be also used to when the photovoltaic system and/or the wind power system work, The electricity price of power grid is in low price, the quantity of the electric vehicle to charge is less than second threshold, changes the quantity of battery less than the When three threshold values, controls the photovoltaic system and/or the wind power system and transmit first electric energy and/or second electric energy It charges on to the DC bus for energy-storage battery.
Preferably, the central Energy Management System is also used to stop work when the photovoltaic system and the wind power system Make, the electricity price of power grid be in low price, the quantity of the electric vehicle to charge is less than less than second threshold, the quantity for changing battery When third threshold value, controls the two-way AC-DC module and the 4th electric energy is transmitted on the DC bus as energy-storage battery Charging.
Preferably, the central Energy Management System is also used to stop work when the photovoltaic system and the wind power system Make, when the electricity price of power grid is in high price, controls the third that the bi-directional DC-DC charging module will store in the energy-storage battery Electric energy is transmitted on the DC bus to change battery and electric vehicle charging.
Preferably, the central Energy Management System is also used to work when the photovoltaic system and/or the wind power system, And the electricity price of power grid is when being in high price, control the photovoltaic system and/or the wind power system by first electric energy and/or Second electric energy is transmitted on the DC bus to change battery and electric vehicle charging.
Fill that change integrated electrical changing station system further include intelligent terminal preferably, described;
The intelligent terminal includes the 8th communication module, by the first communication module and the 8th communication module, The intelligent terminal and the central Energy Management System communicate to connect;
The intelligent terminal is used to send different control instructions to the central Energy Management System, to control the center Energy Management System generates corresponding instruction.
One kind, which is filled, changes integrated electrical changing station, described to fill that change integrated electrical changing station include filling to change described in above-mentioned any one integrally to change electricity It stands system.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention Example.
The positive effect of the present invention is that: it fills and changes integrated electrical changing station system for solar energy, wind energy, energy storage and come from electricity The electric energy of net is effectively bonded together, and on the one hand alleviates power grid pressure, on the other hand effectively using paddy electricity resource to storage Energy battery charges, and improves the utilization rate of resource, and close by electric energy of the central Energy Management System to electrical changing station The control and distribution of reason, improve the power consumption efficiency of electrical changing station.
Detailed description of the invention
Fig. 1 fills the structural schematic diagram for changing integrated electrical changing station system for the embodiment of the present invention 1.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality It applies among a range.
Embodiment 1
As shown in Figure 1, integrated electrical changing station system is changed in filling for the present embodiment.Integrated electrical changing station system packet is changed in filling for the present embodiment Include: DC bus 2, photovoltaic system, wind power system, energy-storage system, two-way AC-DC module 9, changes electricity at central Energy Management System 1 System and fast charge DC-DC module 12.
The DC bus 2 realizes the mutual transmission between multiple-energy-source for the transmission channel as electrical changing station electric energy.
DC bus 2 respectively with photovoltaic system, wind power system, energy-storage system, two-way AC-DC module 9, change electric system and fast Fill the electrical connection of DC-DC module 12.
Central Energy Management System 1 manages the electric energy distribution of each system, module, on different opportunitys, controls turning for electric energy It changes, mutually converting between reasonable arrangement electric energy.The central Energy Management System 1 includes first communication module.
Photovoltaic system includes photovoltaic panel 3 and photovoltaic controller 4, and the photovoltaic controller 4 includes second communication module, is led to The first communication module and the second communication module are crossed, the central Energy Management System 1 and the photovoltaic controller 4 are logical Letter connection.
Photovoltaic controller 4 is electrically connected with the DC bus 2, and the photovoltaic panel 3 is used to receive solar energy, and will be described Solar energy is transmitted to the photovoltaic controller 4.
The photovoltaic controller 4 is used to convert first electric energy, central Energy management system for the solar energy For sending the instruction of the first power transmission to the photovoltaic controller 4, the photovoltaic controller 4 is also used to receiving described the system 1 After the instruction of one power transmission, first electric energy is transferred on the DC bus 2.
Electrical changing station electric energy includes the first electric energy.
Wind power system includes blower 5 and controller of fan 6.The controller of fan 6 includes third communication module, passes through institute State first communication module and the third communication module, the central Energy Management System 1 and 6 communication link of controller of fan It connects.
The controller of fan 6 is electrically connected with the DC bus 2, and the blower 5 is for receiving wind energy, and by the wind The controller of fan 6 can be transmitted to;The controller of fan 6 is for converting wind energy into the second electric energy, the central Energy Management system 1 is also used to send the instruction of the second power transmission to the controller of fan 6, and the controller of fan 6 is also used to receiving To after second power transmission instruction, second electric energy is transferred on the DC bus 2.
Electrical changing station electric energy further includes the second electric energy.
The present embodiment is utilized photovoltaic system and wind power system and generates the first electric energy and the second electric energy, abundant to utilize self-heating Resource, it is environmentally protective, and improve the utilization rate of the energy.
The energy-storage system includes 8,1 bi-directional DC-DC charging module 7 of bi-directional DC-DC charging module 7 and energy-storage battery can Connect multiple energy-storage batteries 8.
The bi-directional DC-DC charging module 7 includes fourth communication module, passes through the first communication module and the described 4th Communication module, the central Energy Management System 1 are communicated to connect with the bi-directional DC-DC charging module 7.
The bi-directional DC-DC charging module 7 is electrically connected with the DC bus 2.
The central Energy Management System 1, which is also used to send energy-storage battery charging to the bi-directional DC-DC charging module 7, to be referred to It enables, the bi-directional DC-DC charging module 7 is used for after receiving the energy-storage battery charging instruction, receives the DC bus 2 On the electrical changing station electric energy, and by the electrical changing station electric energy be the energy-storage battery 8 charge.
The central Energy Management System 1 is also used to send the instruction of energy-storage battery power transmission to bi-directional DC-DC charging module 7, The bi-directional DC-DC charging module 7 is also used to after receiving the energy-storage battery power transmission instruction, will be in the energy-storage battery 8 The third electric energy of storage is transmitted on the DC bus 2.
Electrical changing station electric energy further includes third electric energy.
The energy-storage battery 8 of the present embodiment refers generally to the power using retired power battery, so-called retired power battery Battery has used 3~5 years on electric vehicle, and battery capacity significantly reduces, and has not been suitable for using on electric vehicle.But these Power battery contains a large amount of toxic heavy metal elements such as mercury, cadmium, lead, if discarded on soil, pollution is phase after decades When serious.Therefore these retired power batteries are recycled, environment is not only protected as energy-storage battery 8, also creates the surplus value, National energy is saved, is achieved many things at one stroke.
Two-way AC-DC module 9 includes fifth communication module, passes through the first communication module and the fifth communication mould Block, the central Energy Management System 1 are communicated to connect with the two-way AC-DC module 9;The two-way AC-DC module 9 is also used to The operating voltage of the DC bus 2 is adjusted, the range of the operating voltage is 1000V~1500V.
The two-way AC-DC module 9 is electrically connected with the DC bus 2 and power grid respectively.
The central Energy Management System 1, which is also used to send power grid electric energy to two-way AC-DC module 9, receives instruction, described After two-way AC-DC module 9 receives instruction for receiving the power grid electric energy, alternating current is received from the power grid, and by power grid On 380V AC conversion be the 4th electric energy be transferred on the DC bus 2.
Electrical changing station electric energy further includes the 4th electric energy.
The central Energy Management System 1 is also used to when the electrical changing station electric energy on the DC bus 2 be more than default First threshold, the quantity of the electric vehicle to charge be less than second threshold, change battery 11 quantity be less than third threshold value when, Power grid electric energy feedback command is sent to the two-way AC-DC module 9, the two-way AC-DC module 9 is also used to receive the electricity After net electric energy feedback command, alternating current is converted by the electrical changing station electric energy on the DC bus 2 and feeds back to the power grid, Save national energy.
Electric system is changed to include DC-DC charging module 10 and change battery 11;DC-DC charging module 10 and change battery 11 1 It is connected to one, fills that change integrated electrical changing station system include multiple DC-DC charging modules 10, the operating power of DC-DC charging module 10 It is 20 kilowatts.
The DC-DC charging module 10 includes the 6th communication module, is led to by the first communication module and the described 6th Believe module, the central Energy Management System 1 is communicated to connect with the DC-DC charging module 10;
The DC-DC charging module 10 is electrically connected with the DC bus 2.
The central Energy Management System 1, which is also used to send to the DC-DC charging module 10, changes battery charging instruction, The DC-DC charging module 10 be used for receive it is described change battery charging instruction after, receive the institute on the DC bus 2 Electrical changing station electric energy is stated, and is that the battery 11 that changes charges by the electrical changing station electric energy.
Fast charge DC-DC module 12 includes the 7th communication module, passes through the first communication module and the 7th communication mould Block, the central Energy Management System 1 are communicated to connect with the fast charge DC-DC module 12.
The fast charge DC-DC module 12 is electrically connected with the DC bus 2;The fast charge DC-DC module 12 of the present embodiment Charge power is 350 kilowatts, and fast charge DC-DC module 12 is used to direct current directly be electric vehicle charging, fluctuates operating voltage Small, charging is stablized.
The central Energy Management System 1 is also used to send fast charge instruction, the fast charge to the fast charge DC-DC module 12 DC-DC module 12 is used for after receiving the fast charge instruction, receives the electrical changing station electric energy on the DC bus 2, and It is electric car charging by the electrical changing station electric energy.
The filling of the present embodiment, which changes integrated electrical changing station system, realizes the operation mode for filling commutation combination, and motor vehicle user can tie The demand for closing itself selects different electric charging modes, improves user experience.
The filling of the present embodiment changes integrated electrical changing station system and priority is arranged to four kinds of electric energy in electrical changing station electric energy, so-called Priority is preferential use.
First electric energy, the second electric energy highest priority, it is excellent in the case that the first electric energy, the second electric energy have electric energy more than needed It first uses, because photovoltaic system, wind power system are limited by natural conditions, in its workable situation, uses this as far as possible The electric energy that system generates;Third electric energy ranked second, and the 4th electric energy ranked third.
Under normal conditions, when fill change integrated electrical changing station and be in busy working condition when, i.e. peak of power consumption, and each electric energy In the case where all very sufficient, central Energy Management System 1 controls photovoltaic controller 4, controller of fan 6, bi-directional DC-DC and charges mould First electric energy, the second electric energy, third electric energy and the 4th electric energy are transmitted to DC bus 2 by block 7 and two-way AC-DC module 9, to change Battery 11 and electric vehicle charging.
The effective of multiple-energy-source combines the pressure for alleviating power grid.
In order to make full use of low ebb resource, central Energy Management System 1 is according to the work of photovoltaic system, the wind power system It situation, the high low price of network voltage, the quantity of the electric vehicle to charge and changes in the quantity electrical changing station electric energy of battery 11 The electric energy more than needed of each electric energy control the electric energy transmission direction of each system, module.
It is specific:
The central Energy Management System 1 is used for the electricity when the photovoltaic system and/or wind power system work, power grid Valence is in low price, the quantity of the electric vehicle to charge is less than second threshold, changes the quantity of battery 11 less than third threshold value When, control the photovoltaic system and/or the wind power system first electric energy and/or second electric energy are transmitted to it is described It charges on DC bus 2 for energy-storage battery 8.
The central Energy Management System 1 is also used to when the photovoltaic system and the wind power system stop working, power grid Electricity price be in low price, the quantity of the electric vehicle to charge be less than second threshold, change battery 11 quantity be less than third When threshold value, controls the two-way AC-DC module 9 and the 4th electric energy is transmitted on the DC bus 2 and filled for energy-storage battery 8 Electricity.
Using energy-storage battery 8, peak load shifting is effectively realized, reduces operation cost.
The central Energy Management System 1 is also used to when the photovoltaic system and the wind power system stop working, power grid Electricity price when being in high price, control the third electric energy that the bi-directional DC-DC charging module 7 will store in the energy-storage battery 8 It is transmitted on the DC bus 2 to change battery 11 and electric vehicle charging.
The central Energy Management System 1 is also used to work when the photovoltaic system and/or the wind power system, and power grid Electricity price when being in high price, control the photovoltaic system and/or the wind power system for first electric energy and/or described Two electric energy are transmitted on the DC bus 2 to change battery 11 and electric vehicle charging.
In the case where the first electric energy, the second electric energy and third electric energy have more than needed, battery 11 and electronic is changed using it Vehicle charging, saves national resources.
Furthermore it when national grid breaks down, can also maintain to change electricity using the first electric energy, the second electric energy and third electric energy The operation stood.
In the present embodiment, fill that change integrated electrical changing station system further include intelligent terminal 13, the intelligent terminal 13 includes the Eight communication modules, by the first communication module and the 8th communication module, the intelligent terminal 13 and the central energy Management system 1 is measured to communicate to connect;
The intelligent terminal 13 is used to send different control instructions to the central Energy Management System 1, described in control Central Energy Management System 1 generates corresponding instruction.
When intelligent terminal 13 is also used to be arranged first threshold, second threshold and third threshold value, this intelligent man-machine control System, the operation for the electrical changing station administrator that is more convenient for improve user experience.
It fills and changes integrated electrical changing station system and be effectively bonded together solar energy, wind energy, energy storage and electric energy from power grid, On the one hand power grid pressure is alleviated, is on the other hand effectively charged using paddy electricity resource to energy-storage battery, improves resource Utilization rate, and reasonable control and distribution are carried out by electric energy of the central Energy Management System to electrical changing station, it improves and changes electricity The power consumption efficiency stood.
Embodiment 2
The present embodiment is to fill and change integrated electrical changing station, described to fill that change integrated electrical changing station include that filling in embodiment 1 is changed and integrally changed Electric power station system.
The filling of the present embodiment changes integrated electrical changing station and is effectively bonded together luminous energy, wind energy, electric energy, energy storage, improves The utilization rate of natural energy resources makes full use of low ebb resource to charge energy-storage battery, improves low ebb utilization rate.And it provides and changes electricity With the operation mode of fast charge, the utilization rate filled and change integrated electrical changing station is improved, to improve the business filled and change integrated electrical changing station Volume
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and Modification each falls within protection scope of the present invention.

Claims (19)

1. one kind, which is filled, changes integrated electrical changing station system, which is characterized in that it is described fill change integrated electrical changing station system include: DC bus, Photovoltaic system, wind power system and central Energy Management System;
The DC bus is electrically connected with the photovoltaic system and the wind power system respectively;
The DC bus is for the transmission channel as electrical changing station electric energy;
The central Energy Management System includes first communication module, passes through central Energy management described in the first communication module System is communicated to connect with the photovoltaic system, the wind power system respectively;
The photovoltaic system is used for for converting solar energy into the first electric energy, the central Energy Management System to the photovoltaic System sends the instruction of the first power transmission, and the photovoltaic system is also used to after receiving the first power transmission instruction, by described first Electric energy is transferred on the DC bus;
For converting wind energy into the second electric energy, the central Energy Management System is also used to the wind-powered electricity generation wind power system System sends the instruction of the second power transmission, and the wind power system is also used to after receiving the second power transmission instruction, by described second Electric energy is transferred on the DC bus;
The electrical changing station electric energy includes first electric energy and second electric energy.
2. filling change integrated electrical changing station system as described in claim 1, which is characterized in that the photovoltaic system includes photovoltaic panel And photovoltaic controller;
The photovoltaic controller includes second communication module, passes through the first communication module and the second communication module, institute It states central Energy Management System and the photovoltaic controller communicates to connect;
The photovoltaic controller is electrically connected with the DC bus;
The solar energy is transmitted to the photovoltaic controller for receiving solar energy by the photovoltaic panel;
The photovoltaic controller is used to convert the solar energy to first electric energy, and is instructed according to first power transmission, First electric energy is transferred on the DC bus.
3. filling change integrated electrical changing station system as described in claim 1, which is characterized in that the wind power system includes blower and wind Machine controller;
The controller of fan includes third communication module, passes through the first communication module and the third communication module, institute It states central Energy Management System and the controller of fan communicates to connect;
The controller of fan is electrically connected with the DC bus;
The wind energy is transmitted to the controller of fan for receiving wind energy by the blower;
The wind energy transformation is second electric energy by the controller of fan, and according to second power transmission instruction, will be described Second electric energy is transferred on the DC bus.
4. filling change integrated electrical changing station system as described in claim 1, which is characterized in that described fill changes integrated electrical changing station system also Including energy-storage system;
The energy-storage system includes bi-directional DC-DC charging module and energy-storage battery;
The bi-directional DC-DC charging module includes fourth communication module, passes through the first communication module and the fourth communication Module, the central Energy Management System and the bi-directional DC-DC charging module communicate to connect;
The bi-directional DC-DC charging module is electrically connected with the DC bus;
The central Energy Management System is also used to send energy-storage battery charging instruction, institute to the bi-directional DC-DC charging module Bi-directional DC-DC charging module is stated for receiving the institute on the DC bus after receiving the energy-storage battery charging instruction Electrical changing station electric energy is stated, and is energy-storage battery charging by the electrical changing station electric energy.
5. filling change integrated electrical changing station system as claimed in claim 4, which is characterized in that the central Energy Management System is also used In sending the instruction of energy-storage battery power transmission to bi-directional DC-DC charging module, the bi-directional DC-DC charging module is also used to receiving After the energy-storage battery power transmission instruction, the third electric energy stored in the energy-storage battery is transmitted on the DC bus;
The electrical changing station electric energy further includes the third electric energy.
6. filling change integrated electrical changing station system as described in claim 1, which is characterized in that described fill changes integrated electrical changing station system also Including two-way AC-DC module;
The two-way AC-DC module includes fifth communication module, by the first communication module and the fifth communication module, The central Energy Management System and the two-way AC-DC module communicate to connect;
The two-way AC-DC module is electrically connected with the DC bus and power grid respectively;
The central Energy Management System, which is also used to send power grid electric energy to the two-way AC-DC module, receives instruction, described double After receiving instruction for receiving the power grid electric energy to AC-DC module, alternating current is received from the power grid, and by the exchange Electrotransformation is that the 4th electric energy is transferred on the DC bus;
The electrical changing station electric energy further includes the 4th electric energy.
7. filling change integrated electrical changing station system as claimed in claim 6, which is characterized in that the central Energy Management System is also used In sending power grid electric energy feedback command to the two-way AC-DC module, the two-way AC-DC module is also used to receive the electricity After net electric energy feedback command, alternating current is converted by the electrical changing station electric energy on the DC bus and feeds back to the power grid.
8. filling change integrated electrical changing station system as described in claim 1, which is characterized in that described fill changes integrated electrical changing station system also Including changing electric system;
The electric system of changing includes DC-DC charging module and changes battery;
The DC-DC charging module includes the 6th communication module, by the first communication module and the 6th communication module, The central Energy Management System and the DC-DC charging module communicate to connect;
The DC-DC charging module is electrically connected with the DC bus;
The central Energy Management System, which is also used to send to the DC-DC charging module, changes battery charging instruction, the DC- DC charging module be used for receive it is described change battery charging instruction after, receive the electrical changing station electricity on the DC bus Can, and be that the battery that changes charges by the electrical changing station electric energy.
9. filling change integrated electrical changing station system as described in claim 1, which is characterized in that described fill changes integrated electrical changing station system also Including fast charge DC-DC module;
The fast charge DC-DC module includes the 7th communication module, by the first communication module and the 7th communication module, The central Energy Management System and the fast charge DC-DC module communicate to connect;
The fast charge DC-DC module is electrically connected with the DC bus;
The central Energy Management System is also used to send fast charge instruction, the fast charge DC-DC mould to the fast charge DC-DC module Block is used for after receiving the fast charge instruction, receives the electrical changing station electric energy on the DC bus, and change by described Power station electric energy is electric car charging.
10. filling change integrated electrical changing station system as claimed in claim 8, which is characterized in that the charging of the DC-DC charging module Power is 20 kilowatts.
11. filling change integrated electrical changing station system as claimed in claim 9, which is characterized in that the charging of the fast charge DC-DC module Power is 350 kilowatts.
12. filling change integrated electrical changing station system as claimed in claim 7, which is characterized in that the central Energy Management System is also For being more than preset first threshold, the quantity of the electric vehicle to charge when the electrical changing station electric energy on the DC bus Less than second threshold, change the quantity of battery and be less than third threshold value when, control on DC bus described in the two-way AC-DC module The electrical changing station electric energy be converted into alternating current and feed back to the power grid.
13. filling change integrated electrical changing station system as claimed in claim 6, which is characterized in that the two-way AC-DC module is also used to The operating voltage of the DC bus is adjusted, the range of the operating voltage is 1000V~1500V.
14. filling change integrated electrical changing station system as described in claim 1, which is characterized in that the central Energy Management System is also Electric vehicle for being in low price when the electricity price of the photovoltaic system and/or wind power system work, power grid, charging Quantity be less than second threshold, change battery quantity be less than third threshold value when, control the photovoltaic system and/or the wind-powered electricity generation First electric energy and/or second electric energy are transmitted on the DC bus and charge for energy-storage battery by system.
15. filling change integrated electrical changing station system as claimed in claim 6, which is characterized in that the central Energy Management System is also For when the photovoltaic system and wind power system stops working, the electricity price of power grid is in low price, it is electronic to charge When the quantity of vehicle is less than second threshold, changes the quantity of battery less than third threshold value, controlling the two-way AC-DC module will be described 4th electric energy is transmitted on the DC bus to charge for energy-storage battery.
16. filling change integrated electrical changing station system as claimed in claim 5, which is characterized in that the central Energy Management System is also For controlling described two-way when the photovoltaic system and when the wind power system stops working, the electricity price of power grid is in high price The third electric energy stored in the energy-storage battery is transmitted on the DC bus to change battery by DC-DC charging module It charges with electric vehicle.
17. filling change integrated electrical changing station system as described in claim 1, which is characterized in that the central Energy Management System is also For working when the photovoltaic system and/or the wind power system, and when the electricity price of power grid is in high price, the photovoltaic is controlled First electric energy and/or second electric energy are transmitted on the DC bus to change by system and/or the wind power system Battery and electric vehicle charging.
18. filling as described in any one of claim 1-17 changes integrated electrical changing station system, which is characterized in that described fill changes one Body electrical changing station system further includes intelligent terminal;
The intelligent terminal includes the 8th communication module, described by the first communication module and the 8th communication module Intelligent terminal and the central Energy Management System communicate to connect;
The intelligent terminal is used to send different control instructions to the central Energy Management System, to control the central Energy Management system generates corresponding instruction.
19. one kind, which is filled, changes integrated electrical changing station, which is characterized in that it is described fill change integrated electrical changing station include in claim 1~18 appoint It is filled described in meaning one and changes integrated electrical changing station system.
CN201710994101.9A 2017-10-23 2017-10-23 It fills and changes integrated electrical changing station and its system Pending CN109693561A (en)

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