CN117712868A - Be applied to energy storage system's conflux switch board - Google Patents
Be applied to energy storage system's conflux switch board Download PDFInfo
- Publication number
- CN117712868A CN117712868A CN202311496165.8A CN202311496165A CN117712868A CN 117712868 A CN117712868 A CN 117712868A CN 202311496165 A CN202311496165 A CN 202311496165A CN 117712868 A CN117712868 A CN 117712868A
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- Prior art keywords
- energy storage
- module
- voltage
- storage system
- power distribution
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- 238000004146 energy storage Methods 0.000 title claims abstract description 49
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 9
- 230000001012 protector Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
- H02J15/00—Systems for storing electric 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The embodiment of the disclosure provides a confluence control cabinet applied to an energy storage system, which is characterized by comprising a cabinet body, a separation plate, a high-voltage confluence module, a control module and a power distribution module; the isolation plate is arranged on the cabinet body and is grounded through the cabinet body, and the isolation plate separates the cabinet body to form a first accommodating chamber and a second accommodating chamber along the height direction of the cabinet body; the high-voltage converging module is accommodated in the first accommodating cavity and used for converging the energy storage battery clusters into a path which is connected to the direct current side of the energy storage converter; the control module and the power distribution module are both accommodated in the second accommodating chamber, and the power distribution module is respectively and electrically connected with the high-voltage converging module and the control module; the power distribution module comprises a UPS uninterrupted power supply and a plurality of storage batteries, wherein the storage batteries are connected in series and then are electrically connected with the UPS uninterrupted power supply, and the power distribution module is used for providing standby power for important loads for a preset period of time and enabling the important loads to work normally when the power grid is powered off. The control cabinet has compact structure, is compatible with high-low voltage devices, is high in safety, and is compatible with long-term standby power.
Description
Technical Field
The embodiment of the disclosure belongs to the technical field of energy storage system equipment, and particularly relates to a confluence control cabinet applied to an energy storage system.
Background
Currently, the body volume of an energy storage system is increasingly increased, a high-voltage energy storage system basically becomes the main stream of the industry, the market drives the energy storage system to develop towards high safety and large scale, and the requirements on a high-low voltage control cabinet of the energy storage system are also more and more strict, compact, anti-interference, long-term power backup and the like.
Currently, the existing energy storage battery system is provided with a power distribution cabinet as a control part of alternating-current low voltage, and is further provided with another bus cabinet as a bus part. Thus, the configuration of the power distribution cabinet and the bus cabinet simultaneously leads to large occupied space, and the bus part of high-voltage output is easy to generate interference problem to the low-voltage power distribution cabinet. At present, the current convergence control cabinet cannot realize a long-time power standby function, a battery cabinet is required to be independently manufactured, the long-time power standby of important loads cannot be met, and the occupied space is large. The current conflux switch board high voltage cable and low voltage cable quantity are more, and do not carry out the walking line respectively, and occupation space is big and exist the interference between the high-low voltage cable, influence conflux switch board's normal work.
In view of the above, it is necessary to provide a confluence control cabinet which is reasonable in design and effectively solves the above problems and is applied to an energy storage system.
Disclosure of Invention
The embodiment of the disclosure aims to at least solve one of the technical problems in the prior art and provides a confluence control cabinet applied to an energy storage system.
The embodiment of the disclosure provides a conflux control cabinet for energy storage system, include:
a cabinet body;
the isolation plate is arranged on the cabinet body and is grounded through the cabinet body, and the isolation plate separates the cabinet body to form a first accommodating chamber and a second accommodating chamber along the height direction of the cabinet body;
the high-voltage converging module is accommodated in the first accommodating chamber and used for converging a plurality of energy storage battery clusters into a path which is connected with the direct current side of the energy storage converter;
the control module and the power distribution module are respectively accommodated in the second accommodating cavity, and the power distribution module is respectively and electrically connected with the high-voltage converging module and the control module; wherein,
the power distribution module comprises a UPS uninterrupted power supply and a plurality of storage batteries, wherein the storage batteries are connected in series and then are electrically connected with the UPS uninterrupted power supply;
the UPS uninterrupted power supply and the storage batteries are used for providing standby power for important loads for preset duration and enabling the important loads to work normally when the power grid is powered off.
Optionally, the power distribution module further includes a battery box, the battery box is used for placing a plurality of the battery, the battery box slide set up in the second accommodation chamber.
Optionally, the power distribution module further comprises an ac circuit breaker;
the input end of the alternating current circuit breaker is used for being connected with an external power supply, and the output end of the alternating current circuit breaker is electrically connected with the UPS uninterrupted power supply, a plurality of storage batteries, the high-voltage confluence module and the control module.
Optionally, the power distribution module further includes an isolation transformer, and the isolation transformer is electrically connected with the UPS uninterruptible power supply.
Optionally, the device further comprises a first mounting plate and a second mounting plate which are arranged in the second accommodating chamber, wherein the first mounting plate and the second mounting plate divide the second accommodating chamber into a first mounting chamber, a second mounting chamber and a third mounting chamber from bottom to top; wherein,
the first installation cavity is used for accommodating the alternating current circuit breaker, the second installation cavity is used for accommodating the battery box and the UPS, and the third installation cavity is used for accommodating the control module.
Optionally, the high-voltage confluence module comprises a plurality of high-voltage direct current breakers connected in parallel, and the high-voltage direct current breakers are used for controlling the on-off of the high-voltage confluence.
Optionally, the high-voltage bus module further includes a protection baffle, and the protection baffle is disposed at an electrical connection position of the high-voltage direct current breaker.
Optionally, the high-voltage bus module further includes a plurality of lightning protection surge protectors, and the lightning protection surge protectors are electrically connected with the corresponding high-voltage direct current circuit breakers.
Optionally, the device further comprises a first wiring groove and a second wiring groove, wherein the first wiring groove and the second wiring groove are arranged on one side of the first accommodating chamber; wherein,
the high-voltage cable is arranged in the first wiring groove in a penetrating mode, and the low-voltage cable is arranged in the second wiring groove in a penetrating mode.
Optionally, the first wiring groove and the second wiring groove are both metal wiring grooves;
the first wiring groove and the second wiring groove are respectively grounded.
Optionally, the spacer is provided with an insulating layer along a surface of its thickness.
The utility model discloses an be applied to energy storage system's switch board that converges, through set up the division board in the cabinet body with the cabinet body separate form first holding cavity and second holding cavity, first holding cavity places high voltage and converges the module, control module and distribution module are placed to the second holding cavity, arrange high-pressure part and low-pressure part device in a cabinet body like this, improve its inner space utilization, saved the prefabricated cabin inner space of energy storage simultaneously, the division board passes through cabinet body ground connection, can effectively prevent electromagnetic interference, accomplish high-low pressure device subregion management simultaneously. The electric connection among the high-voltage converging module, the control module and the power distribution module is realized in the cabinet body, so that the cable quantity for external connection is reduced, and the cost is saved.
The power distribution module comprises the UPS uninterrupted power supply and a plurality of storage batteries, can meet the requirement of standby power for more than 2 hours of important loads, ensures that the important loads can still work normally under the condition of power failure of a power grid, and greatly improves the safety of the energy storage system; in addition, when the main power supply is interrupted or the voltage exceeds the normal range, the UPS uninterrupted power supply can immediately supply power to the connecting equipment and keep the power supply until the standby power supply is turned on or the main power supply is recovered; UPS uninterruptible power supplies can filter common problems from the mains power supply, such as voltage fluctuations, spikes, dips, etc., to ensure that the connected equipment obtains a stable power supply; the UPS uninterrupted power supply has built-in technical support functions such as fault diagnosis, alarm notification and the like, so that a user can know the state of the UPS uninterrupted power supply in time and take appropriate measures. UPS uninterruptible power supplies can extend the electrical life of connected equipment because they can provide a stable supply of power that prevents damage to the electrical equipment due to insufficient power.
The converging control cabinet applied to the energy storage system, disclosed by the embodiment of the disclosure, has the advantages of compact structure, high safety, long-term power backup, compatibility with high-low voltage devices and capability of improving the operation stability of the high-voltage energy storage system.
Drawings
Fig. 1 is a schematic structural diagram of a bus control cabinet applied to an energy storage system according to an embodiment of the disclosure;
FIG. 2 is a schematic diagram of a control module and a power distribution module according to another embodiment of the present disclosure;
FIG. 3 is a schematic view of a high voltage bus module according to another embodiment of the disclosure;
FIG. 4 is a schematic diagram of a distribution of a battery according to another embodiment of the present disclosure;
fig. 5 is a power circuit diagram of a control module and a power distribution module of another embodiment of the present disclosure.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the embodiments of the present disclosure, the embodiments of the present disclosure are described in further detail below with reference to the accompanying drawings and detailed description.
As shown in fig. 1, the disclosed embodiment provides a bus control cabinet 100 applied to an energy storage system, particularly for a high-voltage energy storage system, the bus control cabinet 100 including a cabinet body 110, a partition plate 120, a high-voltage bus module 130, a control module 140, and a power distribution module 150.
The partition board 120 is disposed on the cabinet 110 and is grounded through the cabinet 110, and the partition board 120 partitions the cabinet 110 into a first accommodating chamber 111 and a second accommodating chamber 112 along a height direction thereof. In this embodiment, stainless steel may be used as the material of the spacer 120. The first receiving chamber 111 is located at a lower portion of the cabinet 110, and the second receiving chamber 112 is located at an upper portion of the cabinet 110. Wherein the spacer 120 is provided with an insulating layer along a surface of its thickness. The insulating layer may make the partition plate 120, specifically, an insulating paint sprayed on both upper and lower surfaces of the stainless steel partition plate 120.
The high-voltage converging module 130 is accommodated in the first accommodating chamber 111, and is configured to converge the plurality of energy storage battery clusters into a path for being connected to the dc side of the energy storage converter. The high-voltage bus module 130 can protect the energy storage battery clusters from overcurrent, overvoltage and the like, and meanwhile, reduces the number of direct-current cables, and facilitates wiring.
The control module 140 and the power distribution module 150 are both accommodated in the second accommodating chamber 112, and the power distribution module 150 is electrically connected with the high-voltage bus module 130 and the control module 140 respectively to supply power to the high-voltage bus module 130 and the control module 140.
It should be noted that, in this embodiment, the control module 140 may use a PLC controller, and the main functions are to implement logic operation, data processing, and output control in the automatic control system.
The high-voltage bus module 130 is a high-voltage device in the cabinet 110, the control module 140 and the power distribution module 150 are low-voltage devices in the cabinet 110, that is, the high-voltage devices in the cabinet 110 are disposed in the first accommodating chamber 111, and the low-voltage devices are disposed in the second accommodating chamber 112.
The embodiment of the disclosure discloses a be applied to energy storage system's conflux switch board 100, through setting up division board 120, with high-pressure part and low-pressure part device arrangement in a cabinet body, improve its inner space utilization, saved the prefabricated cabin inner space of energy storage simultaneously, division board 120 passes through cabinet body 110 ground connection, can effectively prevent electromagnetic interference, accomplishes high-low pressure device subregion management simultaneously. The electrical connection among the high-voltage converging module 130, the control module 140 and the power distribution module 150 is realized in the cabinet body, so that the cable quantity for external connection is reduced, and the cost is saved.
As shown in fig. 1, the power distribution module 150 includes a UPS 151 and a plurality of batteries 152, where the batteries 152 are connected in series to each other and then electrically connected to the UPS 151.
The UPS uninterruptible power supply 151 and the storage batteries 152 are used for providing standby power for important loads for a preset duration and enabling the important loads to work normally when the power grid is powered off. Specifically, the batteries 152 are connected in series, and after being grouped in series, the integral positive and negative electrodes are connected to the dc access terminal of the UPS 151. Wherein the preset time period is longer than 2 hours.
The power distribution module comprises the UPS uninterrupted power supply and a plurality of storage batteries, can meet the requirement of standby power for more than 2 hours of important loads, ensures that the important loads can still work normally under the condition of power failure of a power grid, and greatly improves the safety of the energy storage system; in addition, when the main power supply is interrupted or the voltage exceeds the normal range, the UPS uninterrupted power supply can immediately supply power to the connecting equipment and keep the power supply until the standby power supply is turned on or the main power supply is recovered; UPS uninterruptible power supplies can filter common problems from the mains power supply, such as voltage fluctuations, spikes, dips, etc., to ensure that the connected equipment obtains a stable power supply; the UPS uninterrupted power supply has built-in technical support functions such as fault diagnosis, alarm notification and the like, so that a user can know the state of the UPS uninterrupted power supply in time and take appropriate measures. UPS uninterruptible power supplies can extend the electrical life of connected equipment because they can provide a stable supply of power that prevents damage to the electrical equipment due to insufficient power.
The converging control cabinet applied to the energy storage system, disclosed by the embodiment of the disclosure, has the advantages of compact structure, high safety, long-term power backup, compatibility with high-low voltage devices and capability of improving the operation stability of the high-voltage energy storage system.
As illustrated in fig. 2, the power distribution module 150 further includes a battery box 153, where the battery box 153 is used to place the plurality of storage batteries 152, and the battery box 153 is slidably disposed in the second accommodating chamber 112. The battery case 153 is designed as a drawer type, and can be pulled out from or pushed into the second accommodating chamber 112, thereby facilitating maintenance of the storage battery 152.
Specifically, in the present embodiment, the lead-acid storage batteries 152 may be employed, and the number of storage batteries 152 is 6. The arrangement of 6 lead-acid storage batteries is shown in fig. 4, wherein 3 lead-acid storage batteries are arranged in one row and two rows in total.
Note that, the type, number, or distribution of the storage batteries 152 are not particularly limited in this embodiment, and may be selected according to actual needs.
Illustratively, as shown in fig. 2, the power distribution module 150 further includes an ac circuit breaker 154. The input end of the ac breaker 154 is used for being connected with an external power source, and the output end of the ac breaker 154 is electrically connected with the UPS uninterruptible power supply 151, the plurality of storage batteries 152, the high-voltage bus module 120 and the control module 140. Specifically, the input end of the ac breaker 154 is connected to 380V mains, and the output end of the ac breaker 154 is electrically connected to other devices in the cabinet 110, so as to provide 220V voltage for each device.
In the embodiment, the power distribution module is provided with the alternating current circuit breaker, so that the on-off of an alternating current loop can be controlled, and meanwhile, the protection effects of overload, short circuit and the like are achieved.
Illustratively, the power distribution module 150 further includes an isolation transformer electrically connected to the UPS uninterruptible power supply 151. The isolation transformer can reduce damage to electrical components caused by unstable power supply.
As shown in fig. 2, the busbar control cabinet 100 for an energy storage system further includes a first mounting plate 113 and a second mounting plate 114 disposed in the second accommodating chamber 112, and the first mounting plate 113 and the second mounting plate 114 divide the second accommodating chamber 112 into a first mounting chamber a, a second mounting chamber B and a third mounting chamber C from bottom to top. The first installation cavity a accommodates an ac breaker 154, the second installation cavity B accommodates a battery box 153 and a UPS 151, and the third installation cavity C accommodates a control module 140. Wherein the battery case 153 is slidably disposed on the first mounting plate 113.
In this embodiment, the ac circuit breaker 154, the battery box 153, the UPS 151 and the control module 140 are respectively disposed in separate mounting chambers, so that partition management can be performed, and electromagnetic interference between the devices can be prevented.
As shown in fig. 3, the high voltage bus module 130 includes a plurality of high voltage dc breakers 131 connected in parallel, and the high voltage dc breakers 131 are used to control the on-off of the high voltage bus. Specifically, in the present embodiment, the high voltage bus module 130 includes two high voltage dc breakers 131. The terminal blocks at the upper part of the hvdc breakers 131 are electrically connected in parallel with each other between the hvdc breakers 131. The terminal block at the lower part of each high voltage dc breaker 131 has four terminals, two of which are electrically connected to the energy storage battery clusters, and the other two of which are electrically connected to the dc side of the energy storage converter (PCS).
The number of the high-voltage dc breakers 131 is not particularly limited, and may be selected according to actual needs.
In the embodiment, the high-voltage direct current breaker is arranged, so that the on-off of the high-voltage confluence can be controlled, and meanwhile, the protection effects of overload, short circuit and the like are achieved.
As illustrated in fig. 3, the high voltage bus module 130 further includes a protection shield 132, and the protection shield 132 is disposed at an electrical connection position of the high voltage dc breaker 131. That is, the protective shield 132 is provided on the upper and lower terminal blocks of the high voltage direct current breaker 131 to expose the operation area of the high voltage direct current breaker 131 for easy operation.
In this embodiment, the protection baffle 132 is an insulating baffle, and may be a plastic baffle, or may be another baffle that can perform an insulating function, and the embodiment is not particularly limited and may be selected according to actual needs.
In the embodiment, the protection baffle is arranged at the electric connection position of the high-voltage direct-current breaker, so that the electric safety of the high-voltage direct-current breaker can be improved.
As illustrated in fig. 3, the high voltage bus module 130 further includes a plurality of lightning protection surge protectors 133, and the lightning protection surge protectors 133 are electrically connected to their corresponding high voltage dc breakers 131. Specifically, in the present embodiment, the high voltage bus module 130 includes 2 lightning protection surge protectors 133, and each lightning protection surge protector 133 is electrically connected to its corresponding high voltage direct current breaker 131.
In the embodiment, by arranging the lightning protection surge protector, the instantaneous overcurrent and the voltage which suddenly enter on the wire loop and the signal transmission line can be controlled within the range which can be born by equipment, or strong lightning current is introduced into the ground, so that the equipment or the system can safely and stably work, and the equipment or the system cannot be damaged due to impact.
As shown in fig. 1 and 3, the bus bar control cabinet 100 for an energy storage system further includes a first wiring groove 160 and a second wiring groove 170, and the first wiring groove 160 and the second wiring groove 170 are disposed at one side of the first accommodating chamber 111. Specifically, as shown in fig. 1 and 3, the first and second wire grooves 160 and 170 are disposed at the left edge region of the first receiving chamber 111.
The first wiring groove 160 is internally provided with a high-voltage cable in a penetrating manner, and the second wiring groove 170 is internally provided with a low-voltage cable in a penetrating manner. That is, the first wire groove 160 is a high-voltage wire groove, and the second wire groove 170 is a low-voltage wire groove.
Further specifically, in the present embodiment, the first wiring groove 160 and the second wiring groove 170 are each a metal wiring groove of 50mm×80mm, and the first wiring groove 160 and the second wiring groove 170 are respectively provided to be grounded.
In this embodiment, through setting up first wire casing and second wire casing, carry out high-voltage cable wire and low-voltage cable wire respectively to first wire casing and second wire casing are grounded respectively, can prevent the interference between the high-low voltage cable, and practice thrift cabinet body space.
As shown in fig. 5, which is a schematic power supply diagram of the control module 140 and the power distribution module 150, it can be seen that the 380V commercial power supplies power to general loads such as air conditioners, container lighting, container sockets, battery box fans and the like through the main switch, then enters the UPS uninterruptible power supply after passing through the isolation transformer, and supplies power to important loads such as the control module, the switch, the fire control controller and the like after passing through the UPS uninterruptible power supply 151. Because of the existence of the UPS, even if the power grid is powered off, the important load behind the UPS can still work normally.
It is to be understood that the above implementations are merely exemplary implementations employed to illustrate the principles of the disclosed embodiments, which are not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the embodiments of the disclosure, and these modifications and improvements are also considered to be within the scope of the embodiments of the disclosure.
Claims (10)
1. Be applied to energy storage system's conflux switch board, characterized by includes:
a cabinet body;
the isolation plate is arranged on the cabinet body and is grounded through the cabinet body, and the isolation plate separates the cabinet body to form a first accommodating chamber and a second accommodating chamber along the height direction of the cabinet body;
the high-voltage converging module is accommodated in the first accommodating chamber and used for converging a plurality of energy storage battery clusters into a path which is connected with the direct current side of the energy storage converter;
the control module and the power distribution module are respectively accommodated in the second accommodating cavity, and the power distribution module is respectively and electrically connected with the high-voltage converging module and the control module; wherein,
the power distribution module comprises a UPS uninterrupted power supply and a plurality of storage batteries, wherein the storage batteries are connected in series and then are electrically connected with the UPS uninterrupted power supply;
the UPS uninterrupted power supply and the storage batteries are used for providing standby power for important loads for preset duration and enabling the important loads to work normally when the power grid is powered off.
2. The bus bar control cabinet for an energy storage system of claim 1, wherein the power distribution module further comprises a battery compartment for housing a plurality of the storage batteries, the battery compartment being slidably disposed in the second receiving chamber.
3. The bus bar control cabinet for an energy storage system of claim 2, wherein the power distribution module further comprises an ac circuit breaker;
the input end of the alternating current circuit breaker is used for being connected with an external power supply, and the output end of the alternating current circuit breaker is electrically connected with the UPS uninterrupted power supply, a plurality of storage batteries, the high-voltage confluence module and the control module.
4. The bus bar control cabinet for an energy storage system of claim 3, wherein the power distribution module further comprises an isolation transformer electrically connected to the UPS.
5. The confluence control cabinet for an energy storage system according to claim 4, further comprising a first mounting plate and a second mounting plate disposed in the second accommodation chamber, the first mounting plate and the second mounting plate dividing the second accommodation chamber from bottom to top into a first mounting chamber, a second mounting chamber and a third mounting chamber; wherein,
the first installation cavity is used for accommodating the alternating current circuit breaker, the second installation cavity is used for accommodating the battery box and the UPS, and the third installation cavity is used for accommodating the control module.
6. The bus control cabinet for an energy storage system according to any one of claims 1 to 5, wherein the high voltage bus module comprises a plurality of high voltage dc breakers connected in parallel with each other, and the high voltage dc breakers are used for controlling the switching of the high voltage bus.
7. The bus control cabinet for an energy storage system of claim 6, wherein the high voltage bus module further comprises a protective barrier disposed at an electrical connection location of the high voltage dc circuit breaker.
8. The bus control cabinet for an energy storage system of claim 6, wherein the high voltage bus module further comprises a plurality of lightning surge protectors electrically connected to the corresponding high voltage dc circuit breakers.
9. The bus bar control cabinet for an energy storage system according to any one of claims 1 to 5, further comprising a first wiring channel and a second wiring channel, the first wiring channel and the second wiring channel being disposed on one side of the first receiving chamber; wherein,
the high-voltage cable is arranged in the first wiring groove in a penetrating mode, and the low-voltage cable is arranged in the second wiring groove in a penetrating mode.
10. The bus bar control cabinet for an energy storage system of claim 9, wherein the first and second wire slots are metal wire slots;
the first wiring groove and the second wiring groove are respectively grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311496165.8A CN117712868A (en) | 2023-11-10 | 2023-11-10 | Be applied to energy storage system's conflux switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311496165.8A CN117712868A (en) | 2023-11-10 | 2023-11-10 | Be applied to energy storage system's conflux switch board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117712868A true CN117712868A (en) | 2024-03-15 |
Family
ID=90154138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311496165.8A Pending CN117712868A (en) | 2023-11-10 | 2023-11-10 | Be applied to energy storage system's conflux switch board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117712868A (en) |
-
2023
- 2023-11-10 CN CN202311496165.8A patent/CN117712868A/en active Pending
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