CN113472013A - Micro-grid new energy hybrid energy storage system - Google Patents

Micro-grid new energy hybrid energy storage system Download PDF

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Publication number
CN113472013A
CN113472013A CN202110782195.XA CN202110782195A CN113472013A CN 113472013 A CN113472013 A CN 113472013A CN 202110782195 A CN202110782195 A CN 202110782195A CN 113472013 A CN113472013 A CN 113472013A
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China
Prior art keywords
module
power generation
generation module
unit
cooling
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CN202110782195.XA
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Chinese (zh)
Inventor
梁凯
张旭
张飞阳
徐大伟
尹森林
王艳
陈伟
陈冬
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Leadot Innovation Technology Co ltd
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Leadot Innovation Technology Co ltd
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Priority to CN202110782195.XA priority Critical patent/CN113472013A/en
Publication of CN113472013A publication Critical patent/CN113472013A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • 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
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H02S10/12—Hybrid wind-PV energy systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10—Cleaning arrangements
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • 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
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/14—Energy storage units
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a micro-grid new energy hybrid energy storage system which comprises a wind power generation module, a solar power generation module, a hydroelectric generation module, a control module, a power storage module, a DC/AC conversion module, a power distribution module, a regular cleaning module and an automatic cooling module, wherein the wind power generation module is connected with the solar power generation module; the wind power generation module, the solar power generation module and the hydroelectric power generation module are all electrically connected with the control module, and the control module is electrically connected with the power storage module; the wind power generation module, the solar power generation module and the hydroelectric power generation module share the power storage module to store the generated electric energy. The electric energy that produces wind power generation module, solar energy power generation module and hydroelectric generation module in this system mixes and stores in same power storage module to control through the control module of sharing, make the management and control very convenient, can reduce power storage module's quantity simultaneously, practice thrift the cost.

Description

Micro-grid new energy hybrid energy storage system
Technical Field
The invention relates to the field of micro-grids, in particular to a micro-grid new energy hybrid energy storage system.
Background
The micro-grid is a small power generation and distribution system which is composed of a distributed power supply, an energy storage device, an energy conversion device, a load, a monitoring and protecting device and the like. The micro-grid aims to realize flexible and efficient application of distributed power supplies and solve the problem of grid connection of the distributed power supplies with large quantity and various forms. The development and extension of the micro-grid can fully promote the large-scale access of distributed power sources and renewable energy sources, realize the high-reliability supply of various energy source types of loads, and is an effective mode for realizing an active power distribution network, so that the traditional power grid is transited to a smart power grid.
However, most of the microgrid new energy capacity modules in the prior art are independently provided with an energy storage system, so that the management and control are inconvenient, a plurality of system devices are required to be installed, the cost is increased, secondly, the existing microgrid energy storage system is not fully developed and utilized, the using effect is not good enough, and therefore a microgrid new energy hybrid energy storage system is needed.
Disclosure of Invention
The invention aims to solve the defects in the background technology, and provides a micro-grid new energy hybrid energy storage system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a micro-grid new energy hybrid energy storage system comprises a wind power generation module, a solar power generation module, a hydroelectric power generation module, a control module, a power storage module, a DC/AC conversion module, a power distribution module, a periodic cleaning module and an automatic cooling module;
the wind power generation module, the solar power generation module and the hydroelectric power generation module are all electrically connected with the control module, and the control module is electrically connected with the power storage module;
the wind power generation module, the solar power generation module and the hydroelectric power generation module share the power storage module to store the generated electric energy;
the DC/AC conversion module is electrically connected with the power storage module and the power distribution module, and the power distribution module is used for distributing the energy converted by the DC/AC conversion module to corresponding electric equipment for supplying power;
the regular cleaning module and the automatic cooling module are both electrically connected with the control module;
and the airflow generated by the automatic cooling module during cooling is used for cleaning dust on the surface of the photovoltaic panel in the wind power generation module in the regular cleaning module.
Preferably, the protection device further comprises a protection module, wherein the protection module comprises a lightning protection unit, an electric leakage prevention unit, a fire prevention unit and a surge prevention unit.
Preferably, the protection module further comprises a remote alarm unit for sending a wireless alarm signal to a ground control center when a fire, a lightning strike and an electric leakage occur.
Preferably, the fire protection unit comprises a smoke sensor, a camera and a temperature sensor;
the temperature sensor is used for sensing the temperature of an electric device in the microgrid and transmitting temperature information to the control module, and the control module processes the information and then controls the automatic cooling module to work for cooling.
Preferably, the automatic cooling module comprises an air cooling unit and a water cooling unit, and the air cooling unit and the water cooling unit are used for cooling the wind power generation module, the solar power generation module and components in the hydraulic power generation module.
Preferably, the periodic cleaning module comprises a timing unit, a cleaning unit and a mobile unit;
the timing unit is used for setting timing and transmitting timing information to the control module, and the control module controls the cleaning unit and the moving unit to work after processing the information so as to clean dust on the surface of the photovoltaic panel in the wind power generation module.
Preferably, the moving unit is used for driving the cleaning unit to move to change positions, so that dust can be cleaned at different positions on the surface of the photovoltaic panel.
Preferably, the cleaning unit cleans dust by adopting an air flow blowing mode, and the air flow is the air flow blown out by the air cooling unit after cooling the component.
Preferably, the air cooling unit is a ventilation fan or a blower.
The electric energy that produces wind power generation module, solar energy power generation module and hydroelectric generation module in this system mixes and stores in same power storage module to control through the control module of sharing, make the management and control very convenient, can reduce power storage module's quantity simultaneously, practice thrift the cost. Secondly, this system can regularly automatic clear up the dust on the photovoltaic board of solar energy power generation module, and the clearance adopts the air current of emission when automatic cooling to blow the clearance, makes the air current that produces like this can obtain make full use of during the cooling, very environmental protection. Finally, through the setting of protection module in this scheme, can be fine carry out lightning protection, fire prevention, prevent that electric leakage and anti-surge protection, excellent in use effect to the microgrid part.
Drawings
Fig. 1 is a block diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a protection module according to an embodiment of the present invention.
FIG. 3 is a schematic diagram of a periodic cleaning module according to an embodiment of the invention.
Fig. 4 is a schematic diagram of an automatic cooling module according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
With reference to figures 1-4 of the drawings,
example one
A micro-grid new energy hybrid energy storage system comprises a wind power generation module, a solar power generation module, a hydroelectric power generation module, a control module, a power storage module, a DC/AC conversion module, a power distribution module, a periodic cleaning module and an automatic cooling module;
the wind power generation module, the solar power generation module and the hydraulic power generation module are electrically connected with the control module, and the control module is electrically connected with the power storage module;
the wind power generation module, the solar power generation module and the hydraulic power generation module share a power storage module to store the generated electric energy;
the DC/AC conversion module is electrically connected with the power storage module and the power distribution module, and the power distribution module is used for distributing the energy converted by the DC/AC conversion module to corresponding electric equipment for supplying power;
the regular cleaning module and the automatic cooling module are electrically connected with the control module;
and the airflow generated by the automatic cooling module during cooling is used for regularly cleaning dust on the surface of the photovoltaic panel in the wind power generation module in the module.
In this embodiment, the protection device further comprises a protection module, wherein the protection module comprises a lightning protection unit, an electric leakage prevention unit, a fire prevention unit and a surge prevention unit. The protection module also comprises a remote alarm unit, and the remote alarm unit is used for sending a wireless alarm signal to the ground control center when fire, lightning and electric leakage happen. The fire prevention unit comprises a smoke sensor, a camera and a temperature sensor; the temperature sensor is used for sensing the temperature of the electric device in the microgrid and transmitting temperature information to the control module, and the control module processes the information and then controls the automatic cooling module to work for cooling.
Example two
The utility model provides a microgrid new forms of energy hybrid energy storage system, its on the basis of embodiment one, automatic cooling module includes air-cooled unit and water-cooling unit, and air-cooled unit and water-cooling unit all are used for cooling the components and parts in wind power generation module, solar energy power generation module and the hydroelectric power generation module. The regular cleaning module comprises a timing unit, a cleaning unit and a mobile unit;
the timing unit is used for setting timing and transmitting timing information to the control module, and the control module controls the cleaning unit and the moving unit to work after processing the information so as to clean dust on the surface of the photovoltaic panel in the wind power generation module.
In this embodiment, the moving unit is used to drive the cleaning unit to move to change the position, so as to clean dust at different positions on the surface of the photovoltaic panel. The cleaning unit cleans dust by adopting an air flow blowing mode, and the air flow is the air flow blown out by the air cooling unit after cooling the components.
The electric energy that produces wind power generation module, solar energy power generation module and hydroelectric generation module in this system mixes and stores in same power storage module to control through the control module of sharing, make the management and control very convenient, can reduce power storage module's quantity simultaneously, practice thrift the cost. Secondly, this system can regularly automatic clear up the dust on the photovoltaic board of solar energy power generation module, and the clearance adopts the air current of emission when automatic cooling to blow the clearance, makes the air current that produces like this can obtain make full use of during the cooling, very environmental protection. Finally, through the setting of protection module in this scheme, can be fine carry out lightning protection, fire prevention, prevent that electric leakage and anti-surge protection, excellent in use effect to the microgrid part.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. A micro-grid new energy hybrid energy storage system is characterized by comprising a wind power generation module, a solar power generation module, a hydroelectric power generation module, a control module, a power storage module, a DC/AC conversion module, a power distribution module, a regular cleaning module and an automatic cooling module;
the wind power generation module, the solar power generation module and the hydroelectric power generation module are all electrically connected with the control module, and the control module is electrically connected with the power storage module;
the wind power generation module, the solar power generation module and the hydroelectric power generation module share the power storage module to store the generated electric energy;
the DC/AC conversion module is electrically connected with the power storage module and the power distribution module, and the power distribution module is used for distributing the energy converted by the DC/AC conversion module to corresponding electric equipment for supplying power;
the regular cleaning module and the automatic cooling module are both electrically connected with the control module;
and the airflow generated by the automatic cooling module during cooling is used for cleaning dust on the surface of the photovoltaic panel in the wind power generation module in the regular cleaning module.
2. The microgrid new energy hybrid energy storage system of claim 1, further comprising a protection module, wherein the protection module comprises a lightning protection unit, an electric leakage prevention unit, a fire prevention unit and a surge prevention unit.
3. The microgrid new energy hybrid energy storage system of claim 2, wherein the protection module further comprises a remote alarm unit, and the remote alarm unit is used for sending a wireless alarm signal to a ground control center in the event of fire, lightning strike and electric leakage.
4. The microgrid new energy source hybrid energy storage system according to claim 2 or 3, wherein the fire prevention unit comprises a smoke sensor, a camera and a temperature sensor;
the temperature sensor is used for sensing the temperature of an electric device in the microgrid and transmitting temperature information to the control module, and the control module processes the information and then controls the automatic cooling module to work for cooling.
5. The microgrid new energy hybrid energy storage system according to any one of claims 1 to 3, wherein the automatic cooling module comprises an air cooling unit and a water cooling unit, and the air cooling unit and the water cooling unit are used for cooling components in the wind power generation module, the solar power generation module and the hydraulic power generation module.
6. The microgrid new energy hybrid energy storage system of claim 5, wherein the periodic cleaning module comprises a timing unit, a cleaning unit and a mobile unit;
the timing unit is used for setting timing and transmitting timing information to the control module, and the control module controls the cleaning unit and the moving unit to work after processing the information so as to clean dust on the surface of the photovoltaic panel in the wind power generation module.
7. The microgrid new energy hybrid energy storage system of claim 6, wherein the moving unit is used for driving the cleaning unit to move to change positions, so that dust can be cleaned from different positions on the surface of the photovoltaic panel.
8. The microgrid new energy hybrid energy storage system according to claim 7, wherein the cleaning unit cleans dust by means of air flow blowing, and the air flow is air flow blown by the air cooling unit after cooling components.
9. The microgrid new energy hybrid energy storage system of claim 1, wherein the air cooling unit is a ventilation fan or an air blower.
CN202110782195.XA 2021-07-12 2021-07-12 Micro-grid new energy hybrid energy storage system Pending CN113472013A (en)

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CN205816243U (en) * 2016-06-20 2016-12-21 江苏建筑职业技术学院 The snow removing of solar panel automatic dust removing and heat sink
CN106694468A (en) * 2017-02-05 2017-05-24 河北工业大学 Natural wind speed and direction adjusting solar panel dust removal device
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