CN112922797A - Wind power energy storage system and multi-energy complementary energy station - Google Patents
Wind power energy storage system and multi-energy complementary energy station Download PDFInfo
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- CN112922797A CN112922797A CN202110297167.9A CN202110297167A CN112922797A CN 112922797 A CN112922797 A CN 112922797A CN 202110297167 A CN202110297167 A CN 202110297167A CN 112922797 A CN112922797 A CN 112922797A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
- F03D80/82—Arrangement of components within nacelles or towers of electrical components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a wind power energy storage system which comprises a converter and an energy storage cabinet, wherein the converter and the energy storage cabinet are arranged on the same layer of platform in a wind power tower, or the converter and the energy storage cabinet are arranged on different layers of platforms in the wind power tower; the energy storage cabinet is an air-cooled energy storage cabinet and comprises a cabinet body frame and a heat dissipation device; a battery cluster is arranged in the cabinet body frame, and a heat dissipation channel is arranged in the cabinet body frame; the heat dissipation channel is respectively communicated with the ventilation opening and the circulation opening on the cabinet body frame; the heat dissipation device is installed on the cabinet body frame and used for driving air outside the cabinet body frame to be conveyed into the heat dissipation channel. In the wind power energy storage system, the converter and the energy storage cabinet are both arranged in the wind power tower, the distance between the converter and the energy storage cabinet is short, the wiring length can be shortened, and the cost is saved. The invention also provides a multi-energy complementary energy station.
Description
Technical Field
The invention relates to the technical field of power plant equipment layout, in particular to a wind power energy storage system and a multi-energy complementary energy station.
Background
With the deep development of new energy sources such as wind energy, photovoltaic energy and the like in the power generation industry, the wind energy, the photovoltaic energy and the stored energy are gradually combined and applied, and a multi-energy complementary energy station is generated.
The wind power energy storage system in the multi-energy complementary energy station not only can generate power, but also can store excessive generated energy, and comprises a current transformer, an energy storage cabinet and other equipment. In the prior art, a converter is arranged in a wind power tower of a multi-energy complementary energy station, an energy storage cabinet is arranged in a container independently arranged outside the wind power tower, and heat dissipation is performed by utilizing an air conditioner in the container.
However, the distance between the energy storage cabinet and the converter is far, the length of the wire between the energy storage cabinet and the converter is large, and the equipment cost is increased.
In summary, how to shorten the length of the wiring between the energy storage cabinet and the converter to save the cost is a problem to be urgently solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a wind power energy storage system, in which the converter and the energy storage cabinet are both disposed in a wind power tower, and the distance between the converter and the energy storage cabinet is short, so as to shorten the routing length and save the cost. The invention also provides a multi-energy complementary energy station applying the wind power energy storage system, the integration level of the converter and the energy storage cabinet in the wind power energy storage system is high, the distance is short, the length of the wiring between the converter and the energy storage cabinet is shortened, and the cost is saved.
In order to achieve the purpose, the invention provides the following technical scheme:
a wind power energy storage system comprises a converter and an energy storage cabinet, wherein the converter and the energy storage cabinet are arranged on the same layer of platform in a wind power tower, or the converter and the energy storage cabinet are arranged on a plurality of different layers of platforms in the wind power tower; the energy storage cabinet is forced air cooling energy storage cabinet, includes:
the battery pack comprises a cabinet body frame, wherein a battery pack is installed in the cabinet body frame, and a heat dissipation channel is arranged in the cabinet body frame; the heat dissipation channel is respectively communicated with the ventilation opening and the circulation opening on the cabinet body frame;
the heat dissipation device is installed on the cabinet body frame and used for driving air outside the cabinet body frame to be conveyed into the heat dissipation channel.
Preferably, in the wind power energy storage system, the heat dissipation channel includes a first conveying channel, a second conveying channel, and a ventilation channel of the battery module in the battery cluster; the first conveying channel, the ventilation channel and the second conveying channel are communicated in sequence; the first conveying channel is communicated with the ventilation opening, and the second conveying channel is communicated with the circulation opening.
Preferably, in the wind power energy storage system, the ventilation openings include a first ventilation opening, and a first louver for filtering air is installed at the first ventilation opening; the first ventilation opening and the circulation opening are positioned on two opposite sides of the cabinet body frame.
Preferably, in the wind power energy storage system, there is one energy storage cabinet, and the energy storage cabinet and the converter are arranged on the same layer of platform or different layers of platforms in the wind power tower; or
The energy storage cabinets are multiple, wherein part of the energy storage cabinets and the converter are arranged on the same layer of platform, and the rest of the energy storage cabinets are arranged on other layers of platforms.
Preferably, in the wind power energy storage system, the energy storage cabinet and the converter are both arranged on a first layer of platform in the wind power tower; or
And part of the energy storage cabinets and the converter are arranged on a first layer of platform in the wind power tower, and the rest of the energy storage cabinets are arranged on adjacent layers of platforms of the first layer of platform.
Preferably, in the wind power energy storage system, the converter and the energy storage cabinet arranged on the first-layer platform are distributed on two sides of a tower door of the wind power tower.
Preferably, in the wind power energy storage system, the converter and the energy storage cabinet arranged on the same platform layer as the converter are arranged side by side.
Preferably, in the wind power energy storage system, the converter and the energy storage cabinet arranged on the same platform layer as the converter share a ventilation pipeline, and the ventilation pipeline is communicated with the outside of the wind power tower.
Preferably, in the wind power energy storage system, the ventilation opening includes a second ventilation opening, and the second ventilation opening is used for communicating with the ventilation duct.
Preferably, in the wind power energy storage system, a ventilation fan is arranged at the second ventilation opening.
Preferably, in the wind power energy storage system, an opening is formed in the tower barrel door, and a second shutter is installed at the opening.
Preferably, in the wind power energy storage system, the battery cluster is arranged on the upper layer inside the cabinet body frame, or a protective shell is arranged outside the battery cluster.
Preferably, in the wind power energy storage system, the energy storage cabinet is used for storing electric quantity, and the energy storage cabinet and the power conversion device are integrated into an integrated energy storage cabinet.
A multi-energy complementary energy station comprises a wind power energy storage system, wherein the wind power energy storage system is any one of the wind power energy storage systems in the technical scheme.
Preferably, in the above-mentioned multi-energy complementary energy station, the multi-energy complementary energy station is a wind-solar complementary energy station or an offshore wind energy storage station.
The invention provides a wind power energy storage system which comprises a converter and an energy storage cabinet, wherein the converter and the energy storage cabinet are arranged on the same layer of platform in a wind power tower, or the converter and the energy storage cabinet are arranged on different layers of platforms in the wind power tower; the energy storage cabinet is an air-cooled energy storage cabinet and comprises a cabinet body frame and a heat dissipation device; a battery cluster is arranged in the cabinet body frame, and a heat dissipation channel is arranged in the cabinet body frame; the heat dissipation channel is respectively communicated with the ventilation opening and the circulation opening on the cabinet body frame; the heat dissipation device is installed on the cabinet body frame and used for driving air outside the cabinet body frame to be conveyed into the heat dissipation channel.
In the wind power energy storage system provided by the invention, the converter and the energy storage cabinet are both arranged in the wind power tower, the distance between the converter and the energy storage cabinet is short, the wiring length can be shortened, and the cost is saved.
The invention also provides a multi-energy complementary energy station applying the wind power energy storage system, the integration level of the converter and the energy storage cabinet in the wind power energy storage system is high, the distance is short, the length of the wiring between the converter and the energy storage cabinet can be shortened, and the cost is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an exploded view of an air-cooled energy storage cabinet according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of the air-cooled energy storage cabinet shown in fig. 1;
FIG. 3 is a schematic diagram of a heat dissipation gas conveyed by a heat dissipation channel in the air-cooled energy storage cabinet shown in FIG. 1;
fig. 4 is an exploded view of another air-cooled energy storage cabinet according to an embodiment of the present invention;
FIG. 5 is a schematic view of the heat dissipation gas conveyed by the heat dissipation channel in the air-cooled energy storage cabinet shown in FIG. 4;
fig. 6 is a schematic structural diagram of a wind power energy storage system according to an embodiment of the present invention;
FIG. 7 is a schematic mechanism diagram of another wind power energy storage system provided by the embodiment of the invention;
wherein, in fig. 1-7:
an air-cooled energy storage cabinet 001; a cabinet frame 101; a front door panel 102; a back plate 103; a top plate 104; a base plate 105; a first louver 106; a battery cluster 201; a battery module 202; a switch box 203; a modular fan 204; a heat sink 301; a dust filtration shield 302; an air guide 303; a ventilation fan 304; a fire fighting device 401; air flows 501, 502, 503, 504, 601, 602, 603, 604, 605, 606; a current transformer 002; a ventilation duct 003; a wind power tower 004; a first layer platform 0041; a second louver 0042; a tower tuyere 0043; an externally hung landing 0044; minus a layer of plateaus 0045.
Detailed Description
The embodiment of the invention discloses a wind power energy storage system, wherein a converter and an energy storage cabinet are both arranged in a wind power tower, the distance between the converter and the energy storage cabinet is short, the wiring length can be shortened, and the cost is saved. The embodiment of the invention also discloses a multi-energy complementary energy station applying the wind power energy storage system, the integration level of the converter and the energy storage cabinet in the wind power energy storage system is high, the distance is short, the length of the wiring between the converter and the energy storage cabinet is shortened, and the cost is saved.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a wind power energy storage system, which comprises a current transformer 002 and an energy storage cabinet, wherein the current transformer 002 and the energy storage cabinet are arranged on the same layer of platform in a wind power tower 004, or the current transformer and the energy storage cabinet are arranged on different layers of platforms in the wind power tower; the energy storage cabinet is an air-cooled energy storage cabinet 001, and the air-cooled energy storage cabinet 001 comprises a cabinet body frame 101 and a heat dissipation device 301; a battery cluster 201 is installed in the cabinet body frame 101, and a heat dissipation channel is arranged in the cabinet body frame 101; the heat dissipation channel is respectively communicated with the ventilation opening and the circulation opening on the cabinet body frame 101; the heat sink 301 is mounted on the cabinet frame 101, and the heat sink 301 is used for driving air outside the cabinet frame 101 to be conveyed into the heat dissipation channel.
In the wind power energy storage system provided by the embodiment of the invention, the converter 002 and the energy storage cabinet are both arranged in the wind power tower 004, the distance between the converter 002 and the energy storage cabinet is short, the wiring length can be shortened, and the cost is saved.
In addition, in the wind power energy storage system provided by the embodiment of the invention, the converter 002 and the energy storage cabinet are both arranged in the wind power tower 004, so that the equipment of the wind power energy storage system is highly centralized, the space can be saved, and the cost can be reduced.
Moreover, above-mentioned air-cooled energy storage cabinet 001 is equipped with heat dissipation channel and heat abstractor 301, and heat dissipation channel passes through vent and circulation mouth and the external intercommunication of cabinet body frame 101, can carry the battery module department with the atmosphere outside the cabinet body frame 101 under the effect of heat abstractor 301 and dispel the heat to the battery module, and the radiating effect is better, and is favorable to guaranteeing battery module 202 safe operation.
Simultaneously, among the above-mentioned air-cooled energy storage cabinet 001, battery module 202 utilizes the outer air of cabinet body frame 101 to dispel the heat, compares in utilizing the current energy storage cabinet that air carries out the heat dissipation in cabinet body frame 101, can avoid long-time operation back input heat dissipation channel inside gas temperature to show and rise, need not to set up the volume of cabinet body frame 101 to great, does benefit to this air-cooled energy storage cabinet 001 and arranges in the limited wind power tower cylinder 004 in inner space.
In the above embodiment, the heat dissipation channel includes the first conveying channel, the second conveying channel, and the ventilation channel of the battery module in the battery cluster 201; the first conveying channel, the ventilation channel and the second conveying channel are communicated in sequence; the first conveying channel is communicated with the ventilation opening, and the second conveying channel is communicated with the circulation opening.
The structure of the air-cooled energy storage cabinet 001 is described below with reference to the accompanying drawings:
referring to fig. 1 to 5, in the air-cooled energy storage cabinet 001, a plurality of battery clusters 201 are disposed in the cabinet frame 101, each battery cluster 201 is assembled by a plurality of battery modules 202, and each battery module 202 is provided with a ventilation duct. Each battery cluster 201 is provided with a switch box 203, so that the confluence and the control are convenient.
In practical applications, the heat dissipation device 301 can drive the external air to enter the heat dissipation channel through the ventilation opening and exit the heat dissipation channel through the ventilation opening, and can also drive the external air to enter the heat dissipation channel through the ventilation opening and exit the heat dissipation channel through the ventilation opening.
Preferably, the air-cooled energy storage cabinet 001 further includes an air guide 303 installed in the cabinet frame 101, and the air guide 303 is disposed at the first conveying passage or the second conveying passage. This air-cooled energy storage cabinet 001 has set up air guide 303, can ensure the flow direction of battery module 202 air inlet or air-out among the battery cluster 201, improves the circulation efficiency of air current in heat dissipation channel.
In addition, when the air guide member 303 is arranged on the air inlet side of the ventilation duct, the air guide member can play a role in buffering and equalizing the flow, so that the air flow is uniformly conveyed to the ventilation ducts of all the battery modules 202 in each battery cluster 201, and the operation safety of each battery module 202 in the air-cooled energy storage cabinet 001 is improved.
Specifically, in the air-cooled energy storage cabinet 001, the internal passage of the air guide 303 is in sealed communication with the air duct.
The inner passage of the air guide 303 may be provided to communicate with the first conveying passage or the second conveying passage, so that the air duct communicates with the first conveying passage or the second conveying passage through the inner passage of the air guide 303. Of course, in order to simplify the structure of the heat dissipation channel, the inner channel of the wind guide 303 may be directly set as the first conveying channel or the second conveying channel, and this embodiment is not limited.
Preferably, in the air-cooled energy storage cabinet 001 provided in the above embodiment, the air guide 303 is provided with a fire fighting device 401, so that the battery module 202 can extinguish a fire quickly through the heat dissipation channel when a fire breaks out. The fire fighting equipment 401 may also be disposed at other positions of the air-cooled energy storage cabinet 001, and is preferably disposed in a conveying passage for conveying air to the ventilation duct, which is not particularly limited in this embodiment.
In order to avoid that the gas just discharged from the heat dissipation channel is conveyed into the heat dissipation channel again and improve the heat dissipation effect, in the air-cooled energy storage cabinet 001, the ventilation opening and the circulation opening are arranged at different sides of the cabinet body frame 101.
The heat sink 301 is installed outside the cabinet frame 101 and located at the flow opening. The heat dissipation device 301 in this embodiment does not occupy the internal space of the cabinet frame 101, which is convenient for reducing the volume of the cabinet frame 101, and meanwhile, the heat dissipation device 301 is disposed outside the cabinet frame 101, which is beneficial to enhancing the air intake or exhaust capability of the heat dissipation device 301.
The heat dissipation device 301 may be configured to drive the external air flow to be blown into the heat dissipation channel through the vent and then discharged through the vent, or the heat dissipation device 301 may be configured to draw the air in the heat dissipation channel out through the vent, so that the external air flow is continuously input into the heat dissipation channel through the vent.
A dust filtering protective cover 302 is arranged on the cabinet body frame 101, and the dust filtering protective cover 302 covers the heat dissipation device 301, so that the heat dissipation device 301 is protected, and air is filtered.
Referring to fig. 4-5, in the air-cooled energy storage cabinet 001, the ventilation openings include a first ventilation opening, and a first louver 106 for filtering air is installed at the first ventilation opening. When this forced air cooling energy storage cabinet 001 assembles in wind power tower 004, the heat dissipation channel accessible first vent and circulation mouth directly utilize wind power tower 004 air to dispel the heat to motor module 202.
In order to simplify the structure of the heat dissipation channel and reduce the wind resistance of the heat dissipation channel, the first ventilation opening and the circulation opening in the air-cooled energy storage cabinet 001 are disposed at two opposite sides of the cabinet body frame 101, as shown in fig. 4 and 5.
In operation, the heat dissipation device 301 operates, the airflow 501 outside the cabinet frame 101 is continuously conveyed into the second conveying channel, then the airflow 502 in the second conveying channel flows into the air duct, the airflow 503 in the air duct is conveyed into the first conveying channel and takes away heat of the battery module 202, and then the airflow in the first conveying channel is discharged through the first louver 106 to form an airflow 504, as shown in fig. 5. Of course, the flow directions of the air flows 501, 502, 503 and 504 may be set to be opposite to the directions shown in fig. 5, and this embodiment is not limited.
Referring to fig. 1 to fig. 3, in the air-cooled energy storage cabinet 001 according to the above embodiment, the ventilation openings include a second ventilation opening, and the second ventilation opening is used for communicating with a ventilation duct 003. When the air-cooled energy storage cabinet 001 is arranged in the wind power tower cylinder 004, the heat dissipation channel can utilize the ventilation pipeline 003 to exchange air with the outside of the wind power tower cylinder 004, and the ventilation pipeline 003 can be specifically set as the ventilation pipeline 003 of the converter 002 in the wind power tower cylinder 004.
In order to make the air flow smoothly pass through the heat dissipation channel and the ventilation duct 003, a ventilation fan 304 is disposed at the second ventilation opening of the air-cooled energy storage cabinet 001. The direction of conveyance of the airflow by the ventilation fan 304 coincides with the direction of conveyance of the airflow by the heat sink 301.
In operation, the heat dissipation device 301 operates, the airflow 501 outside the cabinet frame 101 is continuously conveyed into the second conveying channel, then the airflow 502 in the second conveying channel is conveyed into the air duct, the airflow 503 in the air duct is conveyed into the first conveying channel and takes away heat of the battery module 202, then the airflow 601 in the first conveying channel is conveyed to the ventilation fan 304, and the airflow 602 at the ventilation fan 304 is discharged into the ventilation duct 003 to form an airflow 603, as shown in fig. 3. Of course, the flow directions of the air flows 501, 502, 503, 601, 602, and 603 may also be set to be opposite to the directions shown in fig. 3, and this embodiment is not limited.
The ventilation opening may be configured to include only the first ventilation opening, or only the second ventilation opening, or may be configured to include both the first ventilation opening and the second ventilation opening, which is not limited in this embodiment.
In the air-cooled energy storage cabinet 001, the module fan 204 is disposed in the ventilation duct of the battery module 202, and the conveying direction of the module fan 204 to the air flow is consistent with the conveying direction of the heat dissipation device 301 to the air flow. The modular fan 204 can accelerate and direct the airflow within the air duct.
Preferably, in the air-cooled energy storage cabinet 001 provided in the above embodiment, the first conveying channel and the second conveying channel may be respectively set as gaps between the battery clusters 201 and the cabinet frame 101, as shown in fig. 3 and 5, so as to avoid the arrangement of additional pipeline-shaped components constituting the conveying channels, thereby simplifying the structure, saving the cost, and reducing the volume.
Specifically, the cabinet frame 101 includes a frame body, and a front door panel 102, a top plate 104, a back plate 103 and a bottom plate 105 mounted on the frame body, the front door panel 102, the top plate 104, the back plate 103 and the bottom plate 105 enclose an annular shape and are enclosed on the frame body, and openings at the other two ends of the frame body are blocked by a battery cluster 201.
In the above embodiment, the communication ports may be provided on the back plate 103, the first ventilation port may be provided on the front door panel 102, and the second ventilation port may be provided on the bottom plate 105.
The upper part, the lower part or the side surface of the cabinet body frame 101 is provided with a cable inlet and a cable outlet for connecting with equipment such as a current transformer 002. In addition, in the air-cooled energy storage cabinet 101, the size and the number of the heat dissipation devices 301 may be adjusted according to actual needs, and this embodiment is not limited. The heat dissipation device 301 may be a fan or an exhaust fan, and the embodiment is not limited. The battery cluster in the cabinet body frame 101 is arranged on the upper layer in the cabinet body frame 101, or a protective shell is arranged outside the battery cluster, so that the protection level of the battery cluster is improved, and the safety is ensured.
In the air-cooled energy storage cabinet 001 that this embodiment provided, cabinet frame 101 has certain leakproofness, can prevent that the air outside cabinet frame 101 from containing the pollutant (such as dust, greasy dirt, steam etc.) and getting into in the air-cooled energy storage cabinet 001 and cause the damage to the battery, and it is favorable in the life who improves the battery.
Simultaneously, in the air-cooled energy storage cabinet 001 that this embodiment provided, the battery cluster 201 is installed inside in cabinet body frame 101, can effectively protect battery safety, and this air-cooled energy storage cabinet 001 compact structure, small can be according to actual demand the corresponding quantity of air-cooled energy storage cabinet 001 of pendulum cloth in wind power tower cylinder 004.
Moreover, the air-cooled energy storage cabinet 001 that this embodiment provided is small, the ability that adapts to installation site environment is strong, satisfies wind power tower cylinder 004 centralized, small, the high requirement of energy density of equipment, can be applied to inside wind power tower cylinder 004.
The wind power energy storage system provided by the embodiment of the invention is specifically described below with reference to the accompanying drawings:
referring to fig. 6 to 7, in the wind power energy storage system according to the embodiment of the present invention, one energy storage cabinet may be provided, and the energy storage cabinet and the converter 002 are disposed on the same platform in the wind power tower 004, or the energy storage cabinet and the converter 002 are respectively disposed on two different platforms (preferably two adjacent platforms). Of course, the energy storage cabinet may also be provided in multiple numbers, where the current transformer 002 and all the energy storage cabinets 001 are disposed on the same platform, or a part of the energy storage cabinets and the current transformer 002 are disposed on the same platform, and the rest of the energy storage cabinets are disposed on platforms on other layers (specifically, other platforms on one layer, or other platforms on multiple different layers).
Furthermore, in the wind power energy storage system, one or more energy storage cabinets on the same layer of platform can be provided; when the number of the energy storage cabinets is multiple, all the energy storage cabinets on the platform of the layer are arranged on the platform in a centralized manner or distributed manner, which is not limited in this embodiment.
Specifically, in the wind power energy storage system provided in the above embodiment, the energy storage cabinet and the converter 002 are both disposed on the first platform 0041 in the wind power tower 004; or
The number of the energy storage cabinets is multiple, part of the energy storage cabinets and the converter 002 are arranged on a first layer of platform 0041 in the wind power tower 004, and the rest of the energy storage cabinets are arranged on a platform (such as a negative layer of platform 0045) in the adjacent layer.
The first deck platform 0041 is flush with the external stair platform 0044 of the wind tower 004, and the negative deck platform 0045 is located below the first deck platform 0041 and adjacent to the first deck platform 0041.
The current transformer 002 and the energy storage cabinet arranged on the same layer of platform as the current transformer 002 can be arranged far away from each other, as shown in fig. 7; the current transformer 002 and the energy storage cabinet arranged on the same layer of platform with the current transformer 002 can be arranged side by side, and the embodiment is not limited.
The converter 002 and the energy storage cabinet arranged on the first-layer platform 0041 are preferably distributed on two sides of a tower door of the wind power tower 004, so that the wind power tower 004 utilizes an opening arranged on the tower door to exchange air with the outside. The direction of each air flow shown in fig. 7 may also be set to be opposite to the direction indicated in fig. 7, and the present embodiment is not limited.
In this embodiment, the energy storage cabinet is configured as an air-cooled energy storage cabinet 001 having a first vent, and the structure of the first vent in the air-cooled energy storage cabinet 001 is as in the above embodiments, which is not described herein again. Of course, in this embodiment, the energy storage cabinet may also be configured as the air-cooled energy storage cabinet 001 having the first and second ventilation openings provided in the above embodiment, which is not limited in this embodiment.
The current transformer 002 and the energy storage cabinet arranged on the same floor platform as the current transformer 002 can also be arranged close to each other as shown in fig. 6. In this embodiment, the converter 002 and the energy storage cabinet disposed on the same platform as the converter 002 are preferably disposed close to the tower door of the wind power tower 004, so as to perform air cooling by using the external airflow 605 entering the wind power tower 004 through the upper opening of the tower door. Of course, the direction of each air flow shown in fig. 6 may also be set to be opposite to the direction indicated in fig. 6 according to the rotation direction of the heat sink 304, and this embodiment is not limited.
In this embodiment, the converter 002 and the energy storage cabinet arranged on the same layer of platform with the converter 002 share the ventilation duct 003 and the wind power tower 004 to be externally communicated. The airflow 604 in the ventilation duct 003 is conveyed out of the wind power tower 004 through a tower tuyere 0043 arranged on the wind power tower 004. A filter screen is arranged at the air inlet 0043 of the tower barrel, and a fan can be additionally arranged to accelerate the air flow.
Specifically, in this embodiment, the energy storage cabinet is an air-cooled energy storage cabinet 001 having a second ventilation opening, and the structure of the second ventilation opening in the air-cooled energy storage cabinet 001 is as in the above embodiments, which is not described herein again. Of course, in this embodiment, the energy storage cabinet may also be configured as the air-cooled energy storage cabinet 001 having the first and second ventilation openings provided in the above embodiment, which is not limited in this embodiment.
A second louver 0042 is installed at an opening provided on the tower door for filtering air. The opening may be used only for inputting the outside airflow 605 into the wind tower 004 as shown in fig. 6, or only for outputting the gas in the wind tower 004 out of the wind tower 004. The number of the openings can also be multiple, a part of the openings are used for inputting the outside airflow 605 into the wind power tower 004, and the remaining openings are used for outputting the airflow in the wind power tower 004 out of the wind power tower 004 to form an airflow 606, as shown in fig. 7.
Among the above-mentioned wind-powered electricity generation energy storage system, the energy storage cabinet is used for storing the electric quantity, the energy storage cabinet can set up to be integrated into an organic whole energy storage cabinet with power conversion device, if the energy storage cabinet etc. that links into an organic whole with the switch board, this embodiment does not do the restriction.
The embodiment of the invention also provides a multi-energy complementary energy station which comprises a wind power energy storage system, wherein the wind power energy storage system is the wind power energy storage system provided by the embodiment. The multi-energy complementary energy station is a wind-solar complementary energy station or an offshore wind energy storage station, and the embodiment is not limited.
The wind power energy storage system that the above-mentioned implementation provided is applied to the complementary energy station of multipotency that this embodiment provided, the integrated level of converter 002 and energy storage cabinet in the wind power energy storage system is high, and the distance is short, can shorten the length of walking the line between converter 002 and the energy storage cabinet, and is favorable in practicing thrift the cost. Certainly, the multi-energy complementary energy station provided by this embodiment also has other effects related to the wind power energy storage system provided by the above embodiments, and details are not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (15)
1. The wind power energy storage system is characterized by comprising a converter and an energy storage cabinet, wherein the converter and the energy storage cabinet are arranged on the same layer of platform in a wind power tower, or the converter and the energy storage cabinet are arranged on a plurality of different layers of platforms in the wind power tower; the energy storage cabinet is forced air cooling energy storage cabinet, includes:
the battery pack comprises a cabinet body frame, wherein a battery pack is installed in the cabinet body frame, and a heat dissipation channel is arranged in the cabinet body frame; the heat dissipation channel is respectively communicated with the ventilation opening and the circulation opening on the cabinet body frame;
the heat dissipation device is installed on the cabinet body frame and used for driving air outside the cabinet body frame to be conveyed into the heat dissipation channel.
2. The wind-powered electricity energy storage system of claim 1, wherein the heat dissipation channel comprises a first conveying channel, a second conveying channel, and a ventilation channel of a battery module in a battery cluster; the first conveying channel, the ventilation channel and the second conveying channel are communicated in sequence; the first conveying channel is communicated with the ventilation opening, and the second conveying channel is communicated with the circulation opening.
3. The wind power energy storage system of claim 2, wherein the vents comprise a first vent at which a first louver for filtering air is mounted; the first ventilation opening and the circulation opening are positioned on two opposite sides of the cabinet body frame.
4. The wind power energy storage system according to claim 1, wherein the number of the energy storage cabinets is one, and the energy storage cabinets and the converters are arranged on the same layer of platform or different layers of platforms in the wind power tower; or
The energy storage cabinets are multiple, wherein part of the energy storage cabinets and the converter are arranged on the same layer of platform, and the rest of the energy storage cabinets are arranged on other layers of platforms.
5. The wind power energy storage system according to claim 4, wherein the energy storage cabinet and the converter are both arranged on a first layer of platform in the wind tower; or
And part of the energy storage cabinets and the converter are arranged on a first layer of platform in the wind power tower, and the rest of the energy storage cabinets are arranged on adjacent layers of platforms of the first layer of platform.
6. The wind power energy storage system according to claim 5, wherein the converter and the energy storage cabinets arranged on the first floor platform are distributed on two sides of a tower door of the wind tower.
7. The wind power energy storage system according to claim 2, wherein the converter is placed side by side with an energy storage cabinet arranged on the same platform as the converter.
8. The wind power energy storage system according to claim 7, wherein the converter and the energy storage cabinet arranged on the same platform as the converter share a ventilation duct which is communicated with the outside of the wind tower.
9. The wind power energy storage system according to claim 7 or 8, wherein the ventilation opening comprises a second ventilation opening for communicating with the ventilation duct.
10. The wind-powered electricity energy storage system of claim 9, wherein a ventilation fan is disposed at the second ventilation opening.
11. The wind-powered electricity energy storage system of claim 6, wherein the tower door is provided with an opening, and a second shutter is installed at the opening.
12. The wind-powered electricity energy storage system of claim 1, wherein the battery cluster is arranged on an upper internal layer of the cabinet frame, or a protective shell is arranged outside the battery cluster.
13. The wind power energy storage system according to claim 1, wherein the energy storage cabinet is used for storing electric quantity, and the energy storage cabinet is integrated with the power conversion device into an integrated energy storage cabinet.
14. A multi-energy complementary energy station comprising a wind power energy storage system, characterized in that the wind power energy storage system is according to any one of claims 1-13.
15. The multi-energy complementary energy station of claim 14, wherein the multi-energy complementary energy station is a wind-solar complementary energy station or an offshore wind-storage energy station.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110297167.9A CN112922797A (en) | 2021-03-19 | 2021-03-19 | Wind power energy storage system and multi-energy complementary energy station |
| PCT/CN2021/133932 WO2022193726A1 (en) | 2021-03-19 | 2021-11-29 | Wind power energy storage system and multi-energy complementary energy station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110297167.9A CN112922797A (en) | 2021-03-19 | 2021-03-19 | Wind power energy storage system and multi-energy complementary energy station |
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| CN112922797A true CN112922797A (en) | 2021-06-08 |
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| CN202110297167.9A Pending CN112922797A (en) | 2021-03-19 | 2021-03-19 | Wind power energy storage system and multi-energy complementary energy station |
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| WO (1) | WO2022193726A1 (en) |
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Application publication date: 20210608 |