CN221103026U - New energy power station matched energy storage system - Google Patents
New energy power station matched energy storage system Download PDFInfo
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- CN221103026U CN221103026U CN202322647448.XU CN202322647448U CN221103026U CN 221103026 U CN221103026 U CN 221103026U CN 202322647448 U CN202322647448 U CN 202322647448U CN 221103026 U CN221103026 U CN 221103026U
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- 238000004146 energy storage Methods 0.000 title claims abstract description 66
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 108010066057 cabin-1 Proteins 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012983 electrochemical energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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- 238000009413 insulation Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a matched energy storage system of a new energy power station, which comprises a PCS box inversion integrated machine, a battery prefabricated cabin, a reactive compensation device and a secondary control screen cabinet, wherein the PCS box inversion integrated machine is arranged on a first layer, the battery prefabricated cabin is arranged on a second layer, the PCS box inversion integrated machine and the battery prefabricated cabin are in one-to-one correspondence connection to form sub-modules, and a plurality of sub-modules are connected in series to form a sub-system; the reactive power compensation device is connected to the bus side led out by the subsystem, and the reactive power compensation device and the subsystem are electrically connected with the secondary control screen cabinet. The energy storage system is arranged indoors and is provided with the high-voltage switch equipment and the reactive compensation device, so that the problems that the traditional outdoor energy storage station lacks high-voltage side fault breaking capacity, reactive power regulation capacity and the like are effectively solved; and the occupied area of the energy storage power station is greatly saved, the land utilization rate of the energy storage station is improved, and the construction and operation cost is saved.
Description
Technical Field
The utility model relates to the technical field of energy storage power stations, in particular to an energy storage system matched with a new energy power station.
Background
The energy storage power station can store energy when sufficient wind energy or solar energy is supplied, and release energy when the energy is in short supply. The electrochemical energy storage system can discharge at load peak and charge at load valley, can realize peak clipping and valley filling functions of grid load, can effectively relieve the operation pressure of the grid in peak load period, and can improve the equipment load rate in valley load period.
Most of the existing new energy matched energy storage power stations in China adopt an outdoor arrangement mode, and the outdoor energy storage station has higher flexibility in space for projects requiring a large energy storage system. The energy storage station is simple in installation and arrangement, and the outdoor environment can provide more stable temperature under a non-severe environment, so that the energy storage station is helpful for guaranteeing the performance and service life of the energy storage system.
The outdoor energy storage power station has the advantages of convenient arrangement, simplicity and clarity, but has a plurality of disadvantages. Firstly, because the device is located outdoors, the electrochemical energy storage device is unstable, and the safety problem of the device is easily caused when the device is subjected to severe weather such as extreme cold, strong wind and strong snowfall. Second, outdoor energy storage stations are more susceptible to vandalism or theft. At the same time, the operation of the apparatus is very noisy, which has a noise effect on the surrounding residents and the environment, which results in the possible need for corresponding equipment sound insulation and shielding measures. In addition, because the devices are all in an outdoor environment, more frequent maintenance may result.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the embodiment of the utility model provides an energy storage system matched with a new energy power station.
The utility model provides a new energy power station matched energy storage system, which comprises:
the PCS box inversion integrated machine is arranged on the first layer;
The PCS box inversion integrated machine is connected with the battery prefabricated cabins in a one-to-one correspondence manner to form sub-modules, and a plurality of sub-modules are connected in series to form a sub-system;
The reactive power compensation device is arranged on the first layer and connected to the bus side led out by the subsystem, and the reactive power compensation device and the subsystem are electrically connected with the secondary control cabinet.
In some embodiments, the reactive compensation device further comprises a 35kV high-voltage switch device arranged on the first layer, and the 35kV bus side is connected with the reactive compensation device.
In some embodiments, the 35kV side connection mode is a single bus.
In some embodiments, a station-based power conversion system is also included, which is an electrical system of the entire energy storage system and its operating environment.
In some embodiments, an enclosure is disposed at the periphery of the first layer.
In some embodiments, a lightning conductor is disposed on top of the second layer.
In some embodiments, the lightning protection device is a lightning protection belt.
In some embodiments, a battery management system is also included.
In some embodiments, the battery pre-chamber stores energy using an electrochemical lithium battery.
Compared with the prior art, the utility model has the beneficial effects that:
The energy storage system is arranged indoors and is provided with the high-voltage switch equipment and the reactive compensation device, so that the problems that the traditional outdoor energy storage power station lacks high-voltage side fault breaking capacity, reactive power regulation capacity and the like are effectively solved; and the occupied area of the energy storage power station is greatly saved, the land utilization rate of the energy storage power station is improved, and the construction and operation cost is saved.
The related equipment of the energy storage system is arranged indoors, so that the electric equipment can be protected, electromagnetic interference can be controlled, the risk of electric fire is reduced, the electric energy loss is reduced, and the system is integrated and optimized.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a first floor arrangement of an indoor energy storage station;
FIG. 2 is a schematic diagram of a second tier arrangement of an indoor energy storage station;
Reference numerals illustrate:
The system comprises a battery prefabricated cabin 1, a PCS box inversion integrated machine 2, a reactive power compensation device 3, a secondary control screen cabinet 4, a road 5, an enclosing wall 6 and 35KV high-voltage switch equipment 7.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The energy storage system matched with the new energy power station provided by the embodiment of the utility model is described below with reference to the accompanying drawings.
1-2, The new energy power station matched energy storage system is arranged indoors and comprises a PCS box inversion integrated machine 2, a battery prefabricated cabin 1, a reactive compensation device 3, a secondary control screen cabinet 4, 35KV high-voltage switch equipment 7, a station transformer system and a battery management system.
The energy storage power station adopts double-layer arrangement, wherein a PCS box inversion integrated machine 2, a reactive power compensation device 3, a secondary control screen cabinet 4 and 35KV high-voltage switch equipment 7 are arranged on a first layer, and a battery prefabricated cabin 1 is arranged on a second layer. The PCS box inversion integrated machine 2 and the battery prefabricated cabin 1 are connected in one-to-one correspondence through cables to form sub-modules, and a plurality of sub-modules are connected in series to form a subsystem. Wherein, the secondary control screen cabinet 4 is frequently accessed and discharged, and is arranged on the first layer so as to facilitate the work of maintenance personnel; the outgoing lines of the PCS box inversion integrated machine 2, the reactive compensation device 3 and the 35KV high-voltage switch equipment 7 comprise primary cables, the specification is large, and the primary cables, the reactive compensation device 3 and the 35KV high-voltage switch equipment are arranged on the first layer without crossing floors, so that construction and cable wiring are facilitated; the outgoing cable of the battery prefabricated cabin 1 is a low-construction-difficulty cable compared with the high-voltage cables of other equipment, and the outgoing cable is simple in traversing floors, so that the outgoing cable is intensively arranged on the second layer.
The 35kV side wiring mode is a single bus, and a bus is added, so that electric energy is concentrated and distributed; the 35KV high-voltage switch equipment 7 is used for controlling, protecting and monitoring a high-voltage circuit and is used for realizing the switch operation of the power equipment and protecting the power equipment from faults such as overload, short circuit and the like; the reactive compensation device 3 is connected to the 35kV bus side, reactive adjustment capability is improved for the energy storage power station, power factors can be improved, adverse effects caused by excessive reactive power can be reduced, voltage stability can be improved, and electric energy quality output by the energy storage station can be improved.
According to the utility model, the 35KV high-voltage switch equipment 7 is arranged to realize the switch operation of the electrical equipment so as to start, stop, adjust and switch the electrical equipment, meanwhile, the operation state of the electrical equipment is detected through the protection device in the 35KV high-voltage switch equipment 7, the abnormal condition can be found in real time, a fault circuit is cut off in time, the expansion of the accident is prevented, and the operation data of the electrical equipment is collected in real time through the monitoring equipment so as to perform data analysis and equipment state assessment. When the electrical equipment is overhauled, the power-off operation can be realized through the 35KV high-voltage switch equipment 7, the safety of personnel is ensured, and the electric energy metering equipment is also arranged in the 35KV high-voltage switch equipment 7, so that the accurate metering of electric energy is realized.
The reactive power compensation device 3 and the subsystem are controlled by a secondary control screen cabinet 4 through an electric signal, the secondary control screen cabinet 4 can control, protect and monitor main equipment such as a battery prefabricated cabin 1, a PCS box inversion integrated machine 2 and the like, control energy and control the battery, timely find abnormality and process the abnormality, and realize information exchange between an energy storage power station and a power grid dispatching center.
The station power utilization system is an electricity utilization system of the whole energy storage system and the working environment thereof, and the battery management system can monitor and manage battery states, energy flows, temperatures and system faults in real time, optimize the service efficiency of the energy storage battery, prolong the service life and provide reliable operation support.
The battery prefabricated cabin 1 stores energy by adopting an electrochemical lithium battery, the energy density of the electrochemical lithium battery is higher, and suitable high-energy-density energy storage equipment is selected, so that the combination of high-capacity energy storage and compact size can be realized, and the space and performance requirements of an indoor energy storage power station are met.
And an enclosure 6 and a road 5 are arranged on the periphery of the first layer, a lightning protection belt is arranged on the top of the second layer, and the lightning protection belt is arranged to prevent direct lightning.
The energy storage system matched with the new energy power station adopts an indoor arrangement mode, the electrical connection between indoor electrical equipment is realized through the indoor cable trench, and compared with an outdoor arrangement mode, the energy storage system reduces the occupied area and is suitable for extreme environment areas.
The arrangement of the related equipment of the energy storage system indoors can protect electrical equipment, control electromagnetic interference, reduce the risk of electrical fire, reduce electric energy loss and integrate and optimize the system. In particular, as the indoor energy storage power station is positioned indoors, the indoor energy storage power station can provide better protection for electrical equipment, and the indoor environment is conducive to reducing corrosion and loss of the equipment caused by environmental pollution, dust, salt fog and other factors, so that the failure rate of the equipment is relatively low, and the maintenance cost is relatively reduced; the indoor energy storage power station can better control electromagnetic interference, and in an indoor environment, the electrical equipment is relatively easier to isolate an external electromagnetic interference source, so that the influence of electromagnetic interference on the performance of the equipment is reduced; because the indoor environment is easier to control, the indoor energy storage power station has certain advantages in the aspect of electric fire risk management, and the indoor energy storage power station can implement stricter electric safety measures, such as better arrangement of electric circuits, equipment grounding, leakage protection and the like, so that the electric fire risk is reduced; in the indoor energy storage power station, the distance between the electrical equipment and the circuit is relatively short, so that the electric energy loss in the transmission process can be reduced, the use efficiency of the electric energy can be improved, and the operation cost can be reduced; the indoor energy storage power station can be integrated with the existing building electrical system more conveniently, so that the optimal design of the power system is realized, and the performance and reliability of the whole system are improved.
The indoor energy storage power station can convert renewable energy sources (such as solar energy or wind energy) into electric energy and store redundant electric energy for future use. The indoor space is usually limited, and the energy storage power station system with compact design reduces the occupied area to the greatest extent and reduces the operation and maintenance cost. The indoor energy storage power station system can serve as a standby power supply in the case of power interruption or emergency, and provides stable electric energy support for important equipment or key functions. The indoor energy storage power station can store electric energy when in low load and release electric energy when in high load, so that load balance and peak clipping are realized, stability and reliability of a power grid are improved, waste of energy sources is reduced, and operation efficiency of a power system is optimized. The indoor energy storage power station system utilizes renewable energy and energy storage equipment with high energy density, so that the dependence on traditional energy can be reduced, the carbon emission is reduced, and the system is beneficial to coping with climate change and environmental protection.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms may be directed to different embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a supporting energy storage system of new energy power station which characterized in that, the supporting energy storage system of new energy power station is located indoor, includes:
the PCS box inversion integrated machine is arranged on the first layer;
The PCS box inversion integrated machine is connected with the battery prefabricated cabins in a one-to-one correspondence manner to form sub-modules, and a plurality of sub-modules are connected in series to form a sub-system;
The reactive power compensation device is arranged on the first layer and connected to the bus side led out by the subsystem, and the reactive power compensation device and the subsystem are electrically connected with the secondary control cabinet.
2. The energy storage system of claim 1, further comprising a 35kV high voltage switchgear disposed on the first layer, the 35kV bus side being connected to the reactive compensation device.
3. The energy storage system matched with the new energy power station as claimed in claim 2, wherein the 35kV side wiring mode is a single bus.
4. The energy storage system of claim 1, further comprising a station transformer system, said station transformer system being an electrical system of the entire energy storage system and its operating environment.
5. The energy storage system of claim 1, wherein an enclosure is disposed about the periphery of the first layer.
6. The new energy power station companion energy storage system of claim 1 wherein a lightning conductor is disposed on top of the second layer.
7. The energy storage system matched with the new energy power station as claimed in claim 6, wherein the lightning protection device is a lightning protection belt.
8. The new energy power station complex energy storage system of claim 1, further comprising a battery management system.
9. The energy storage system of claim 1, wherein the battery pre-chamber stores energy using an electrochemical lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322647448.XU CN221103026U (en) | 2023-09-27 | 2023-09-27 | New energy power station matched energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322647448.XU CN221103026U (en) | 2023-09-27 | 2023-09-27 | New energy power station matched energy storage system |
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| CN221103026U true CN221103026U (en) | 2024-06-07 |
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| CN202322647448.XU Active CN221103026U (en) | 2023-09-27 | 2023-09-27 | New energy power station matched energy storage system |
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| CN (1) | CN221103026U (en) |
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- 2023-09-27 CN CN202322647448.XU patent/CN221103026U/en active Active
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