CN216331514U - Integrated distributed virtual power plant system - Google Patents

Integrated distributed virtual power plant system Download PDF

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Publication number
CN216331514U
CN216331514U CN202122821155.XU CN202122821155U CN216331514U CN 216331514 U CN216331514 U CN 216331514U CN 202122821155 U CN202122821155 U CN 202122821155U CN 216331514 U CN216331514 U CN 216331514U
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module
power generation
power
energy storage
output
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林知亮
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GUANGDONG KOTER ENERGY TECHNOLOGY CO LTD
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GUANGDONG KOTER ENERGY TECHNOLOGY CO LTD
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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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides an integrated distributed virtual power plant system which comprises a power generation module, a power generation module and a control module, wherein the power generation module comprises a plurality of power generation input interfaces and a solar power generation unit; the input end of the energy storage module is connected with the output end of the power generation module; the energy storage module is used for storing electric energy; the input end of the power distribution module is connected with the output ends of the energy storage module and the power generation module, and the output end of the power distribution module is connected with a load; the central control module is connected with the power generation module, the energy storage module and the power distribution module; the central control module is used for controlling the working states of the power generation module and the power distribution module according to the charging load of the energy storage module. The utility model integrates the power generation module, the energy storage module and the power distribution module, and meets the requirements of off-peak power utilization, energy conservation and low carbon of a power grid.

Description

Integrated distributed virtual power plant system
Technical Field
The utility model relates to the technical field of distributed power generation, in particular to a distributed virtual power plant system.
Background
The tradition fills electric pile function singleness, can only singly charge for electric automobile, electric bicycle or electric motorcycle car. When the external power supply is powered off, the battery cannot be charged, and the use of the battery by a user is not changed. And the charging voltage of different vehicles is different, need set up the stake of charging of a plurality of different voltages, extravagant more space and cost. Although the problem that the UPS power supply can be used for solving the problem that the power failure cannot be charged can be solved by arranging the UPS power supply in the charging pile, the UPS power supply can only be used for charging and storing energy uninterruptedly, the power utilization balance cannot be kept according to the safety load of a power grid, and the requirements of peak load shifting power generation and energy conservation and low carbon cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an integrated distributed virtual power plant system, which integrates a power generation module, an energy storage module and a power distribution module into a whole and meets the requirements of off-peak power utilization, energy conservation and low carbon of a power grid.
The purpose of the utility model is realized by adopting the following technical scheme:
an integrated distributed virtual power plant system comprises
The power generation module comprises a plurality of power generation input interfaces and a solar power generation unit, wherein the power generation input interfaces are connected with an external charging unit and the solar power generation unit;
the input end of the energy storage module is connected with the output end of the power generation module; the energy storage module is used for storing electric energy;
the input end of the power distribution module is connected with the output ends of the energy storage module and the power generation module, and the output end of the power distribution module is connected with a load;
the central control module is connected with the power generation module, the energy storage module and the power distribution module; the central control module is used for controlling the working states of the power generation module and the power distribution module according to the charging load of the energy storage module.
Furthermore, the solar power generation unit is used for photovoltaic power generation and comprises at least one distributed photovoltaic component, and the distributed photovoltaic component is connected with the energy storage module or the power distribution module through a converter; the power generation input interface is connected with a power grid through a transformer.
Further, the power generation device also comprises an inverter, wherein the inverter is connected with the power generation module; the inverter is used for adjusting the working mode according to the voltage of the solar power generation unit.
The power distribution system further comprises a plurality of output interfaces connected with the power distribution module, wherein the output interfaces are used for providing alternating current or direct current electric energy for external loads; the output interface comprises a power supply output interface, an output charging interface, a direct current and alternating current output power supply interface and an emergency quick output interface.
And furthermore, the intelligent power supply system also comprises at least two intelligent switches for controlling charging or power supply, one end of each intelligent switch is connected with the power generation input interface or the power supply output interface, and the other end of each intelligent switch is connected with an external transformer.
Furthermore, the intelligent power supply system also comprises a positive and negative metering electric energy meter, wherein the positive and negative metering electric energy meter is respectively connected with the power generation input interface, the power supply output interface and the central control module through the intelligent switch.
Further, still include the module of charging, the module of charging is connected the distribution module, the module of charging is used for charging for external load through the interface that charges of output.
The protection module is connected with the power generation module, the charging module, the power distribution module and the energy storage module and is used for monitoring the power generation module, the charging module, the power distribution module and the energy storage module in real time; the protection module comprises a circuit breaker, a disconnecting switch or a reactor.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides an integrated distributed virtual power plant system, which integrates a power generation module and an energy storage module, integrates a power distribution module, collects and controls the working states of the power generation module and the power distribution module by a central control module, and has the functions of power generation, energy storage and intelligent power distribution. The system has wide application scene, solves the problem of single function of the traditional charging pile or UPS power supply, and meets the requirements of peak-shifting power generation, energy conservation, low carbon and environmental protection.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 10. a power generation input interface; 21. a power supply output interface; 22. a direct current and alternating current output power supply interface; 23. outputting a charging interface; 24. emergent quick output interface.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 1, the application provides an integrated distributed virtual power plant system, which integrates a charging module, an energy storage module and a power distribution module, and meets the requirements of off-peak power utilization and energy conservation and low carbon of a power grid.
The integrated distributed virtual power plant system comprises a power generation module, an energy storage module, a power distribution module and a central control module, wherein the power generation module comprises a plurality of power generation input interfaces 10 and a solar power generation unit, the power generation input interfaces 10 are connected with an external charging unit and the solar power generation unit, and an external charging power supply can be directly charged through the power generation input interfaces 10. The input end of the energy storage module is connected with the output end of the power generation module, and the energy storage module is used for storing the electric energy of the power generation module. The input end of the power distribution module is connected with the energy storage module and the output end of the power generation module, and the output end of the power distribution module is connected with an external load so as to supply power for the external load. The central control module is connected with the power generation module, the energy storage module and the power distribution module, and is used for controlling the working state of the power generation module according to the charging load of the energy storage module.
Specifically, the power generation module includes a solar power generation unit and a power generation input interface 10, the solar power generation unit specifically is photovoltaic power generation, and at least one distributed photovoltaic module thereof converts solar energy into electric energy, and the electric energy is stored through the energy storage module or can be directly output to a load through the power distribution module. The photovoltaic module can be arranged on the roof of a building or on a balcony, a community open space and the like. The specific positions and the number of the photovoltaic modules can be set according to actual conditions, and the photovoltaic modules are not limited in the application. The photovoltaic modules are connected in series and are connected with the energy storage module or the power distribution module through the converter after being concentrated. The converter is an inverter, and can invert direct current output by the distributed photovoltaic module into alternating current so as to directly output the alternating current to an external load through the power distribution module. The inverter adjusts the working mode according to the voltage of the solar power generation unit. When the sunlight is weak in the morning, evening and the like, the direct current voltage value output by the distributed photovoltaic module is low, the working efficiency of the inverter is also low, and the low-voltage working mode can be adjusted. The low-voltage working mode is that the power generation input interface charges or supplies power through an external battery or a power grid. When sunlight is strong in daytime and the like, the direct current voltage value output by the distributed photovoltaic module is high, the working efficiency of the inverter is high, the inverter is adjusted to be in a high-voltage working mode, and the distributed photovoltaic module is used for charging or supplying power.
The energy storage module is used for storing the electric energy output by the power generation module, and comprises a DC-DC converter and a storage battery, wherein the DC-DC converter is used for outputting the electric energy output by the power generation module to the storage battery for storage. The energy storage module is connected with the central control module and the power generation module, and the central control module controls the working states of the energy storage module and the power generation module. The central control module is connected with the energy storage module and the power generation module power distribution module, collects working data of the power generation module and the energy storage module in real time, and analyzes and adjusts working states of the modules according to the working data. The system is also internally provided with a positive and negative metering electric energy meter which is respectively connected with the power generation input interface 10, the power supply output interface 21 and the central control unit. The central control module can more accurately acquire the electric energy data of the system through the positive and negative metering electric energy.
When the central control module detects that the charging load of the energy storage module is not high, namely the energy storage module has residual battery capacity, the power generation module is controlled to charge the energy storage module. The central control module is provided with an electric quantity detection unit which can determine the charging load of the energy storage module through detecting the voltage of the lithium battery or directly detect the charging load through an electric quantity detection chip or a storage battery electric quantity detector. In order to respond to calls for energy conservation, emission reduction and peak-shifting power utilization, the central control module controls the power generation module to charge the energy storage module at a low valley (low load) time period at night under normal conditions. And when the energy storage module has residual battery capacity and the voltage output by the solar power generation unit is higher, the solar power generation unit is charged in the daytime until the energy storage module is full of electricity, and the problems that the traditional distributed solar power generation unit is less in power generation, large in investment and unstable in voltage and is difficult to stably supply power are solved.
The power distribution module is used for transmitting or distributing the electric energy of the energy storage module or the electric energy output by the power generation module during normal operation. The power distribution module can output the electric energy output by the power generation module to each external load or directly output the electric energy to a power grid through a transformer according to the user requirements. Under normal conditions, when the power utilization peak period is in the daytime, the power distribution module preferentially selects the electric energy of the energy storage module to supply power for the external load. When the distributed virtual power plant system is in the electricity utilization valley period at night, the power can be directly supplied to the external load through the commercial power, and therefore the use cost of the integrated distributed virtual power plant system is reduced.
The power distribution module is connected with a plurality of output interfaces, the output interfaces comprise a power supply output interface 21, an AC/DC output power supply interface 22, an output charging interface 23 and an emergency quick output interface 24, and power is supplied to an external load through the output interfaces. The power supply output interface 21 is connected with a power grid through a transformer to supply power to the power grid. The dc/ac output power supply interface 22 is used to connect other electrical loads, such as lighting lamps and generators. In order to facilitate user's use simultaneously, still be provided with the module of charging specially, the module of charging provides multiple adaptation voltage for the user through output interface 23 that charges. The user can directly charge the automobile, the electric motorcycle or the electric bicycle through the charging module, and the user can select the adaptive voltage according to the actual situation. At daytime power consumption peak period, the distribution module is preferentially charged through energy storage module, and at evening power consumption trough period, then accessible commercial power directly charges.
More, in order to further improve the security, still be provided with the protection module. The protection module is connected with the power generation module, the charging module, the power distribution module and the energy storage module in a wrapping mode and used for monitoring the working conditions of the power generation module, the charging module, the power distribution module and the energy storage module in real time. The protection module comprises a circuit breaker, an isolating switch or a reactor, and when the conditions of electric leakage, electric arc, short circuit, overcurrent and the like are found, the protection module can quickly take protection measures such as circuit breaking and the like. Furthermore, two intelligent switches are further arranged, one end of each intelligent switch is connected with the power generation input interface 10 or the power supply output interface 21, and the other end of each intelligent switch is connected with an external transformer. When abnormal conditions occur, the intelligent switch can quickly cut off the circuit, and the input and output safety of the integrated distributed virtual power plant system is guaranteed.
The application provides a virtual power plant system of integration distributing type, integrated power generation module, energy storage module, distribution module in an organic whole, gather, control power generation module, distribution module's operating condition by central control module, have the function of electricity generation, energy storage and intelligent power distribution. The system has wide application scene, solves the problem of single function of the traditional charging pile or UPS power supply, and meets the requirements of peak-shifting power generation, energy conservation, low carbon and environmental protection.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (8)

1. An integrated distributed virtual power plant system is characterized by comprising
The power generation module comprises a plurality of power generation input interfaces and a solar power generation unit, wherein the power generation input interfaces are connected with an external charging unit and the solar power generation unit;
the input end of the energy storage module is connected with the output end of the power generation module; the energy storage module is used for storing electric energy;
the input end of the power distribution module is connected with the output ends of the energy storage module and the power generation module, and the output end of the power distribution module is connected with a load;
the central control module is connected with the power generation module, the energy storage module and the power distribution module; the central control module is used for controlling the working states of the power generation module and the power distribution module according to the charging load of the energy storage module.
2. The integrated distributed virtual power plant system of claim 1, wherein the solar power generation unit is photovoltaic power generation, the solar power generation unit comprises at least one distributed photovoltaic module, and the distributed photovoltaic module is connected with the energy storage module or the power distribution module through a converter; the power generation input interface is connected with a power grid through a transformer.
3. The integrated distributed virtual power plant system of claim 1, further comprising an inverter coupled to the power generation module; the inverter is used for adjusting the working mode according to the voltage of the solar power generation unit.
4. The integrated distributed virtual power plant system of claim 1, further comprising a plurality of output interfaces coupled to the power distribution module, the output interfaces for providing ac or dc power to an external load; the output interface comprises a power supply output interface, an output charging interface, a direct current and alternating current output power supply interface and an emergency quick output interface.
5. The integrated distributed virtual power plant system according to claim 4, further comprising at least two intelligent switches for controlling charging or power supply, wherein one end of each intelligent switch is connected to the power generation input interface or the power supply output interface, and the other end of each intelligent switch is connected to an external transformer.
6. The integrated distributed virtual power plant system of claim 5, further comprising a positive and negative metering electric energy meter, wherein the positive and negative metering electric energy meter is respectively connected with the power generation input interface, the power supply output interface and the central control module through the intelligent switch.
7. The integrated distributed virtual power plant system of claim 1, further comprising a charging module coupled to the power distribution module, the charging module configured to charge an external load through an output charging interface.
8. The integrated distributed virtual power plant system of claim 6, further comprising a protection module, the protection module connecting the power generation module, the charging module, the power distribution module and the energy storage module for monitoring the power generation module, the charging module, the power distribution module and the energy storage module in real time; the protection module comprises a circuit breaker, a disconnecting switch or a reactor.
CN202122821155.XU 2021-11-16 2021-11-16 Integrated distributed virtual power plant system Active CN216331514U (en)

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Application Number Priority Date Filing Date Title
CN202122821155.XU CN216331514U (en) 2021-11-16 2021-11-16 Integrated distributed virtual power plant system

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Application Number Priority Date Filing Date Title
CN202122821155.XU CN216331514U (en) 2021-11-16 2021-11-16 Integrated distributed virtual power plant system

Publications (1)

Publication Number Publication Date
CN216331514U true CN216331514U (en) 2022-04-19

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