CN112103978A - 10kV electrochemistry energy storage power station - Google Patents
10kV electrochemistry energy storage power station Download PDFInfo
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- CN112103978A CN112103978A CN202010997800.0A CN202010997800A CN112103978A CN 112103978 A CN112103978 A CN 112103978A CN 202010997800 A CN202010997800 A CN 202010997800A CN 112103978 A CN112103978 A CN 112103978A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 40
- 230000005518 electrochemistry Effects 0.000 title description 2
- 238000012983 electrochemical energy storage Methods 0.000 claims abstract description 49
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
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- 210000000352 storage cell Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
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- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 3
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- 241000196324 Embryophyta Species 0.000 description 2
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- 241001672018 Cercomela melanura Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- 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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- 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
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Abstract
The invention discloses a 10kV electrochemical energy storage power station, and primary equipment of the energy storage power station comprises: the energy storage battery unit comprises a battery unit formed by connecting a battery prefabricated cabin combination arranged indoors and arranged by back-to-back clamping a firewall and a battery frame arranged outdoors in parallel; a commutation module, comprising: the system comprises a PCS cabinet, a double-split transformer, a ring main unit and a step-up transformer; the bus module adopts a single bus or single bus sectional wiring type; the secondary equipment of the electrochemical energy storage power station comprises: the system comprises a station control layer equipment module, a public equipment module, a communication equipment module, a power system equipment module and a bay layer equipment module. The beneficial effects are that: the invention adopts the modularized thought and the standardized design to realize the universal interchange of modules and equipment, thereby reducing the variety of spare parts; the industrial concept is applied, the modular construction is implemented, and the safety, the quality and the efficiency of the engineering construction are improved.
Description
Technical Field
The invention relates to the technical field of smart power grids, in particular to a 10kV electrochemical energy storage power station.
Background
Energy storage is a key supporting point of energy revolution, and has important value and broad prospect in renewable energy power generation, auxiliary service, power grid side and distributed energy micro-grid along with policy interest and demonstration project landing. In the power generation link, the energy storage system is used for smoothing the power output of the new energy, reducing the impact on a large power grid and improving the accepting capacity of the power grid on the new energy power generation; in the power transmission and distribution link, the stored energy participates in auxiliary services such as peak regulation, frequency modulation, voltage regulation, standby, black start and the like of a power grid, and is used as an emergency support for power grid accidents, so that the investment of the power grid is delayed, and the power quality is improved; at the user side, the energy storage mainly plays the roles of peak clipping and valley filling, participation in demand side response and provision of paid auxiliary service.
At present, the electrochemical energy storage power station has no clear design principle and technical standard. In the design of energy storage power station, how optimize the wiring and arrange, improve equipment conversion efficiency, reduce station power consumption loss, reduce the power consumption cost, how solve energy storage power station area big, the equipment kind is numerous and diverse, the many miscellaneous problem of monitoring information, promote fortune dimension administrative level, how take "disappear + prevent" measure, guarantee the high security in energy storage power station, all will be the technological problem that this field needs to solve urgently.
Disclosure of Invention
The invention aims to solve the defects in the background technology and provides a 10kV electrochemical energy storage power station.
In order to achieve the purpose, the specific technical scheme of the invention is as follows:
the primary equipment of the 10kV electrochemical energy storage power station comprises:
a commutation module, comprising: the system comprises a PCS cabinet, a double-split transformer, a ring main unit and a step-up transformer;
the confluence module is a single bus or a single bus sectional wiring;
the energy storage battery unit comprises a battery prefabricated cabin provided with the battery unit and is connected with the confluence module through the current conversion module;
the secondary equipment of the 10kV electrochemical energy storage power station comprises:
the station control layer equipment module comprises monitoring system station control layer equipment, scheduling data network equipment and secondary system safety protection equipment;
the public equipment module comprises a public measurement and control device, a clock synchronization system, an electric energy metering system, a fault recording device and an auxiliary control system;
the communication equipment module comprises optical fiber system communication equipment and in-station communication equipment;
the power system equipment module comprises a station alternating current power supply, a direct current power supply, an alternating current uninterrupted power supply, a direct current conversion power supply and a storage battery;
the bay level equipment module comprises a line protection, measurement and control integrated device, a direction overcurrent protection device, an electric energy collection device, a measurement and control device and an exchanger.
The 10kV electrochemical energy storage power station is further designed in such a way that the energy storage battery unit comprises two arrangement modes:
outdoor back-to-back clip firewall form arranges: the battery prefabricated cabins are arranged outdoors, a firewall is clamped between every two battery cabins, and each prefabricated cabin is internally provided with a battery unit with the power not lower than 1MW and is connected to the low-voltage side of the boosting split transformer after passing through a PCS cabinet arranged in the prefabricated cabin; the back presss from both sides the firewall form specifically is that two prefabricated cabins of battery set up side by side with interval X, and is equipped with between two prefabricated cabins of battery and prevents hot wall, and X ∈ (0.4,0.6), the unit: rice;
semi-indoor arrangement: the prefabricated cabin arranged outdoors is connected in parallel through the battery rack to form a battery unit, and is connected to the low-voltage side of the boosting split transformer through a PCS cabinet arranged indoors.
The 10kV electrochemical energy storage power station is further designed in such a way that switch cabinets such as an incoming line cabinet, a reactive power compensation device cabinet, a bus equipment cabinet, a metering cabinet, a station transformer cabinet and an outgoing line cabinet are arranged on each section of 10kV bus in the confluence module.
The 10kV electrochemical energy storage power station is further designed in such a way that the cabinet combination mode of the station control layer equipment module is as follows: the monitoring main station and operator station cabinet 1 comprises two sets of monitoring host equipment; 2 surfaces of the telecontrol communication cabinet; scheduling 1 surface of the data network equipment cabinet; and 1, scheduling management information cabinet.
The 10kV electrochemical energy storage power station is further designed in such a way that the group cabinet principle of the bay level equipment is set as follows: each electric energy meter cabinet does not exceed 9 electric energy meters; protection, measurement and control and metering integrated device is dispersedly arranged on switch cabinet on spot
The 10kV electrochemical energy storage power station is further designed in such a way that the electric energy collecting device in the bay level equipment can be assembled in an electric energy meter cabinet or an independent cabinet.
The 10kV electrochemical energy storage power station is further designed in such a way that the capacities of the 10kV electrochemical energy storage power station are unified into two capacity specifications which are respectively as follows: 10.08MW/17.6MWh and 20.16MWh/35.2 MWh.
The 10kV electrochemical energy storage power station is further designed in such a way that the setting standard of the grid-connected voltage grade of the 10kV electrochemical energy storage power station is as follows: the energy storage power stations of 20.16MWh and below are connected to different grid-connected points of a 10kV distribution network by adopting 2-3 outgoing lines, and the single grid-connected point does not exceed 10.08 MW.
The 10kV electrochemical energy storage power station is further designed in that a special switch device is arranged at an access point of the 10kV electrochemical energy storage power station and a public power grid.
Compared with the prior art, the invention has the following advantages:
the 10kV electrochemical energy storage power station divides the 10kV electrochemical energy storage power station into basic modules such as a battery cabin, a current conversion module and a current convergence module according to a functional area, and the energy storage power stations with various capacities are adjusted and spliced according to the three basic modules. The invention unifies 10kV electrochemical energy storage type power stations into two standard capacity specifications of 10.08MW/17.6MWh and 20.16MWh/35.2MWh, and corresponding single-point and multi-point grid connection schemes. According to functions and interval objects, secondary equipment of the 10kV electrochemical energy storage power station is divided into a station control layer equipment module, a public equipment module, a communication equipment module, a power system equipment module and a 10kV (20 kV) interval equipment module. And by combining a wiring mode, an equipment type and land constraint, a half-indoor arrangement scheme is suggested for the overall and electrical arrangement scheme of the 10kV electrochemical energy storage power station. The invention adopts the modularized thought and the standardized design to realize the universal interchange of modules and equipment, thereby reducing the variety of spare parts; the industrial concept is applied, the modular construction is implemented, and the safety, the quality and the efficiency of the engineering construction are improved.
On the other hand, the arrangement mode that the back to back and the middle of every two battery cabins sandwich the firewall is adopted, so that the occupied area is effectively reduced by about 20 percent.
Furthermore, the corresponding type of the wire inlet cabinet and the PCS cabin is optimized to be 'one-to-four', 'one-to-three' or 'one-to-two', the PCS adopts a double-splitting or double-machine parallel connection mode, and the multi-surface PCS cabins are connected with each other and then enter one wire inlet cabinet, so that the power density of the energy storage power station is improved.
Drawings
FIG. 1 is a schematic diagram of a 10kV electrochemical energy storage power station of the present invention.
Fig. 2 is a schematic diagram of a primary wiring and module of a 10kV single-bus energy storage power station.
Figure 3 is a diagram of a 10kV single bus energy storage plant semi-indoor module layout.
Fig. 4 is a schematic diagram of a primary wiring and module of a 10kV single-bus segmented energy storage power station.
Figure 5 is a diagram of a 10kV single bus sectionalized energy storage plant semi-indoor module layout.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, a 10kV electrochemical energy storage power station, a primary device of the 10kV electrochemical energy storage power station mainly comprises: the energy storage power station with various capacities is adjusted and spliced according to the three basic modules. The energy storage battery unit comprises a battery prefabricated cabin combination arranged indoors and arranged on a backrest back clamp firewall and a battery unit formed by connecting a battery frame arranged outdoors in parallel. A commutation module, comprising: PCS cabinet, two split transformers, looped netowrk cabinet and step-up transformer. And the bus module adopts a single bus or single bus sectional wiring type. The secondary equipment of the 10kV electrochemical energy storage power station mainly comprises: the system comprises a station control layer equipment module, a public equipment module, a communication equipment module, a power system equipment module and an interval equipment module. And the station control layer equipment module comprises monitoring system station control layer equipment, scheduling data network equipment and secondary system safety protection equipment. And the public equipment module comprises a public measurement and control device, a clock synchronization system, an electric energy metering system, a fault recording device and an auxiliary control system. And the communication equipment module comprises optical fiber system communication equipment and in-station communication equipment. The power system equipment module comprises a station alternating current power supply, a direct current power supply, an alternating current uninterrupted power supply, a direct current conversion power supply and a storage battery. The bay level equipment module comprises a line protection, measurement and control integrated device, a direction overcurrent protection device, an electric energy collection device, a measurement and control device and an exchanger.
The energy storage battery unit of this embodiment, when adopting outdoor back to press from both sides the firewall form and arrange, the prefabricated cabin of battery sets up in the open air, and two prefabricated cabins of battery set up side by side with interval X, and are equipped with between the prefabricated cabin of two batteries and prevent hot wall, and X ∈ is (0.4,0.6), the unit: rice; 2 groups of 0.63MW/1.1MWh battery units are arranged in each prefabricated cabin and are respectively connected to the low-voltage side of the boosting split transformer through 2 630kW PCS cabinets arranged in the prefabricated cabin; the arrangement mode is provided with the functional cabins such as the secondary equipment cabin, the pressure raising cabin, the living cabin and the like on site, and is suitable for the conditions of relatively small construction scale, short land for site or difficult arrangement of a comprehensive building.
When a semi-indoor arrangement is used, 1.26MW/2.2MWh cells are formed in parallel by cell racks, connected back to the low voltage side of the step-up splitter transformer through 1 630kW PCS cabinet, see fig. 2. The energy storage batteries of the outdoor prefabricated cabin are arranged back to back in the arrangement mode, and a comprehensive building is arranged, so that the outdoor prefabricated cabin is suitable for the condition of being limited by certain external conditions and higher in operation and maintenance conditions.
And each section of 10kV bus in the convergence module is provided with a switch cabinet such as an incoming line cabinet, a reactive power compensation device cabinet, a bus equipment cabinet, a metering cabinet, a station transformer cabinet and an outgoing line cabinet.
The cabinet combination mode of the monitoring system station control layer equipment is as follows: the monitoring main station and operator station cabinet 1 comprises two sets of monitoring host equipment. 2 sides of telemechanical communication cabinet, specifically be in this embodiment: the I area telecontrol communication cabinet 1 surface comprises an I area telecontrol gateway machine, 2I area station control layer central switches and 2 fire walls; the area II, III/IV telecontrol communication cabinet 1 side, including area II telecontrol network switch machine 2, area II station control layer central exchanger 2, area III/IV data communication network switch machine 1. The dispatching data network equipment cabinet 1 side comprises 2 routers, 4 data network switches and 4 longitudinal encryption devices; the 1 side of the dispatching management information cabinet comprises 1 switchboard, 1 firewall, 1 network safety monitoring device and 2 forward and reverse isolation devices.
The principle of bay level equipment cabinet combination in this embodiment is as follows: each electric energy meter cabinet does not exceed 9 electric energy meters; the protection, measurement and control and metering integrated devices are dispersedly arranged on the switch cabinet. The electric energy collecting device in the bay level equipment can be assembled in an electric energy meter cabinet or an independent cabinet.
In order to respectively correspond to the single-point and multi-point grid-connected schemes, the capacities of the 10kV electrochemical energy storage power station of the embodiment are unified into two capacity specifications which are respectively: 10.08MW/17.6MWh and 20.16MWh/35.2 MWh.
The setting standard of the grid-connected voltage grade of the 10kV electrochemical energy storage power station is as follows: the energy storage power stations of 20.16MWh and below are connected to different grid-connected points of a 10kV distribution network by adopting 2-3 outgoing lines, and the single grid-connected point does not exceed 10.08 MW.
And a special switch device is arranged at the access point of the 10kV electrochemical energy storage power station and the public power grid.
EXAMPLE 1 (10 kV Single-bus half-indoor energy storage power station as an example)
As shown in FIG. 3, an energy storage power station with the capacity of 10.08MW/17.6MWh is provided with 2 incoming line cabinets, the incoming line cabinets are connected to the power grid through 1-circuit 10kV lines, and a single bus at the 10kV side is connected. Each 10kV inlet cabinet is respectively connected with 2 2800kVA transformers, each transformer is connected with 4 630kW PCS units, each PCS unit is connected with 1MWh energy storage unit, and 2 groups of energy storage units with the total power of 1.26MWh are arranged in each outdoor battery compartment.
The battery frames are connected in parallel to form a 0.5MW/1MWh battery unit; each single PCS of 630kW and the double-split transformer of 2800kVA are arranged in order indoors and are provided with corresponding high-voltage ring main units; the 10kV middle-placed cabinet realizes a power distribution function; and configuring the station transformer and SVG equipment with corresponding capacity.
The energy storage power station automation system is designed according to integrated monitoring; an integrated power supply system is adopted, and a communication power supply is not independently arranged; the bay level equipment is arranged downwards, and the public secondary equipment is arranged in the secondary control room.
The energy storage battery cabin is arranged indoors, the energy storage battery cabin is configured according to a single basic unit power/capacity of 1MW/2MWh, and the cabin body length is 40 feet; the battery cabins (8 battery cabins in total) and the comprehensive building (one layer: PCS and transformer; the other layer: 10kV power distribution equipment, secondary equipment, station transformer, SVG and the like) are placed outdoors.
A water spray fire extinguishing facility is arranged in the battery compartment, and a movable cooling water facility is arranged outside the compartment. When a fire disaster happens, the fire chamber starts the water spray fire extinguishing system, and the outdoor fire hydrant is used for spraying water to the fire chamber and the adjacent chambers for cooling.
EXAMPLE 2 (10 kV Single bus segment energy storage station as an example)
Referring to fig. 4, an energy storage power station with 20.16MWh/35.2MWh capacity is provided with 6 incoming line cabinets, the power station is connected to the grid through a 3-circuit 10kV line, and a single bus section is adopted for wiring on the 10kV side. Each 10kV inlet cabinet is respectively connected with 2 2800kVA transformers, each transformer is connected with 4 630kW PCS units, each PCS unit is connected with 1.26MW energy storage units, and 2 groups of energy storage units with the total power of 1.26MW are arranged in each outdoor battery compartment.
Referring to fig. 5, the half-indoor 10kV single-bus segmented energy storage power station equipment type selection, electrical device arrangement, secondary system design and fire fighting facility scheme are the same as example 1.
The 10kV electrochemical energy storage power station of the embodiment divides the 10kV electrochemical energy storage power station into basic modules such as a battery compartment, a current conversion module and a current convergence module according to a functional area, and energy storage power stations with various capacities are adjusted and spliced according to the three basic modules. The invention unifies 10kV electrochemical energy storage type power stations into two standard capacity specifications of 10.08MW/17.6MWh and 20.16MWh/35.2MWh, and corresponding single-point and multi-point grid connection schemes. According to functions and interval objects, secondary equipment of the 10kV electrochemical energy storage power station is divided into a station control layer equipment module, a public equipment module, a communication equipment module, a power system equipment module and a 10kV (20 kV) interval equipment module. And by combining a wiring mode, an equipment type and land constraint, a half-indoor arrangement scheme is suggested for the overall and electrical arrangement scheme of the 10kV electrochemical energy storage power station. The invention adopts the modularized thought and the standardized design to realize the universal interchange of modules and equipment, thereby reducing the variety of spare parts; the industrial concept is applied, the modular construction is implemented, and the safety, the quality and the efficiency of the engineering construction are improved.
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 changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A10 kV electrochemical energy storage power station, characterized in that the primary equipment of the 10kV electrochemical energy storage power station comprises:
a commutation module, comprising: the system comprises a PCS cabinet, a double-split transformer, a ring main unit and a step-up transformer;
the confluence module is a single bus or a single bus sectional wiring;
the energy storage battery unit comprises a battery prefabricated cabin provided with the battery unit and is connected with the confluence module through the current conversion module;
the secondary equipment of the 10kV electrochemical energy storage power station comprises:
the station control layer equipment module comprises monitoring system station control layer equipment, scheduling data network equipment and secondary system safety protection equipment;
the public equipment module comprises a public measurement and control device, a clock synchronization system, an electric energy metering system, a fault recording device and an auxiliary control system;
the communication equipment module comprises optical fiber system communication equipment and in-station communication equipment;
the power system equipment module comprises a station alternating current power supply, a direct current power supply, an alternating current uninterrupted power supply, a direct current conversion power supply and a storage battery;
the bay level equipment module comprises a line protection, measurement and control integrated device, a direction overcurrent protection device, an electric energy collection device, a measurement and control device and an exchanger.
2. A 10kV electrochemical energy storage power station as claimed in claim 1, characterized in that the energy storage cells comprise two arrangements:
outdoor back-to-back clip firewall form arranges: the battery prefabricated cabins are arranged outdoors, a firewall is clamped between every two battery cabins, and each prefabricated cabin is internally provided with a battery unit with the power not lower than 1MW and is connected to the low-voltage side of the boosting split transformer after passing through a PCS cabinet arranged in the prefabricated cabin; the back presss from both sides the firewall form specifically is that two prefabricated cabins of battery set up side by side with interval X, and is equipped with between two prefabricated cabins of battery and prevents hot wall, and X ∈ (0.4,0.6), the unit: rice;
semi-indoor arrangement: the prefabricated cabin arranged outdoors is connected in parallel through the battery rack to form a battery unit, and is connected to the low-voltage side of the boosting split transformer through a PCS cabinet arranged indoors.
3. The 10kV electrochemical energy storage power station of claim 1, wherein switch cabinets such as an incoming line cabinet, a reactive power compensation device cabinet, a bus equipment cabinet, a metering cabinet, a station transformer cabinet and an outgoing line cabinet are arranged on each section of 10kV bus in the bus module.
4. The 10kV electrochemical energy storage power station of claim 1, wherein the station control layer equipment modules are grouped in a manner that: the monitoring main station and operator station cabinet 1 comprises two sets of monitoring host equipment; 2 surfaces of the telecontrol communication cabinet; scheduling 1 surface of the data network equipment cabinet; and 1, scheduling management information cabinet.
5. A 10kV electrochemical energy storage power plant as claimed in claim 1, characterized in that the group cabinet principle of the bay level equipment is set to: each electric energy meter cabinet does not exceed 9 electric energy meters; the protection, measurement and control and metering integrated devices are dispersedly arranged on the switch cabinet.
6. The 10kV electrochemical energy storage power station of claim 1 wherein the energy collection means in the bay level equipment can be incorporated in an electric energy meter cabinet or a separate cabinet.
7. The 10kV electrochemical energy storage power station of claim 1 wherein the 10kV electrochemical energy storage power station capacity is unified into two capacity specifications: 10.08MW/17.6MWh and 20.16MWh/35.2 MWh.
8. The 10kV electrochemical energy storage power station of claim 1, wherein the setting standard of the grid-connected voltage level of the 10kV electrochemical energy storage power station is as follows: the energy storage power stations of 20.16MWh and below are connected to different grid-connected points of a 10kV distribution network by adopting 2-3 outgoing lines, and the single grid-connected point does not exceed 10.08 MW.
9. A 10kV electrochemical energy storage power station as claimed in claim 1, characterized in that a dedicated switching device is provided at the access point of the 10kV electrochemical energy storage power station to the public power grid.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113949089A (en) * | 2021-10-14 | 2022-01-18 | 西安热工研究院有限公司 | Electrochemical energy storage commutation system and method with harmonic suppression capability |
| CN116014782A (en) * | 2023-02-09 | 2023-04-25 | 上海勘测设计研究院有限公司 | Compact electrochemical energy storage power station |
| CN116345401A (en) * | 2023-01-12 | 2023-06-27 | 上海勘测设计研究院有限公司 | Overvoltage protection configuration system for energy storage and boosting equipment of energy storage power station |
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| KR20190000992A (en) * | 2017-06-26 | 2019-01-04 | 한국아이씨티융합사업협동조합 | Energy storage system battery enable module management and control of battery |
| CN110350562A (en) * | 2019-07-15 | 2019-10-18 | 国网江苏省电力有限公司镇江供电分公司 | A kind of energy-accumulating power station |
| CN110534673A (en) * | 2019-08-16 | 2019-12-03 | 国网江苏省电力有限公司经济技术研究院 | A kind of prefabricated cabin structure of bilayer cells with fire prevention isolation features |
| CN210350804U (en) * | 2019-09-03 | 2020-04-17 | 国网江苏省电力有限公司无锡供电分公司 | Distributed energy pre-installation type complete grid-connected equipment |
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| CN113949089A (en) * | 2021-10-14 | 2022-01-18 | 西安热工研究院有限公司 | Electrochemical energy storage commutation system and method with harmonic suppression capability |
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