CN211958803U - Energy storage power station - Google Patents
Energy storage power station Download PDFInfo
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- CN211958803U CN211958803U CN202020298445.3U CN202020298445U CN211958803U CN 211958803 U CN211958803 U CN 211958803U CN 202020298445 U CN202020298445 U CN 202020298445U CN 211958803 U CN211958803 U CN 211958803U
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Abstract
The utility model discloses an energy storage power station, a serial communication port, include: the battery cluster is connected with the energy storage converter; the input end of the uninterrupted power supply device is connected with the output end of the battery cluster; the output end is connected with the internal load of the energy storage power station. The utility model discloses a battery pack power supply of battery container self, like the battery pack trouble, uninterrupted power supply unit except that the direct current side input, the alternating current input of the same kind is taken from the transformer low pressure side in the energy storage converter container in addition, and the stability of power supply can be ensured to two way inputs. By adopting the container mode, the battery cluster and the uninterruptible power supply device are arranged in the energy storage battery container, and the energy storage converter is arranged in the energy storage converter container, so that the equipment cost is reduced, and the occupied area is saved. The utility model discloses a battery cluster in the energy storage battery container truns into uninterrupted power source through uninterrupted power supply unit, has simplified the operation and maintenance work at scene, ensures the stability of power supply.
Description
Technical Field
The invention relates to the field of energy storage power station systems, in particular to an energy storage power station.
Background
At present, most energy storage power station equipment is independent and is not considered from the overall performance, and for example, an alternating current and direct current power supply system, an uninterruptible power supply system and the like have unreasonable designs. The energy storage converter container and the energy storage battery container contain a video monitoring system, a fire alarm system, a battery management system and the like, and an uninterrupted power supply is required to be provided by the system.
At present, power station design is in the way of various manufacturers, and an energy storage power station alternating current uninterruptible power supply system is divided into two modes:
the power station is centrally provided with a set of uninterruptible power supply system. The disadvantages of this method are: the energy storage power station has more containers and larger total station load, the battery demand of the uninterrupted power supply generally exceeds 250AH, a storage battery chamber needs to be established independently, and the equipment cost and the occupied area are increased. In addition, the whole station is centrally provided with a set of uninterruptible power supply system, if the uninterruptible power supply equipment is damaged, large-area power failure can be caused, and the loss is large;
each box body is internally provided with 1 set of independent uninterruptible power supply system, and a lead-acid storage battery is used as a direct-current power supply of the UPS. The disadvantages of this method are: the service life of the lead-acid storage battery in the current market is too short, the lead-acid storage battery can only maintain about 500 charging and discharging processes generally, and the service life of the lead-acid storage battery is far shorter than that of the whole energy storage frequency modulation power station. Therefore, the operation and maintenance personnel need to frequently replace the lead-acid storage battery, which causes great difficulty in the operation and maintenance work of the whole power station.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy storage power station to solve the reliability of how to improve uninterrupted power source mentioned in the above-mentioned background art, and simplify fortune dimension work, reduce equipment cost, save area.
In order to achieve the above object, an embodiment of the present invention provides an energy storage power station, including: the battery cluster is connected with the energy storage converter; the input end of the uninterrupted power supply device is connected with the output end of the battery cluster; the output end is connected with the internal load of the energy storage power station.
Preferably, the uninterruptible power supply device comprises an alternating current incoming line end and a direct current incoming line end, and the direct current incoming line end is connected with the output end of the battery cluster; and the alternating current incoming line end is connected with the input side of the energy storage converter.
Preferably, the ac incoming line end is connected to the low voltage side of the transformer of the energy storage converter.
Preferably, the uninterruptible power supply is connected to the battery cluster through a switching device.
Preferably, the internal load comprises a fire fighting system, a video monitoring system and a battery management system.
Preferably, the battery cluster can be arranged in an energy storage battery container, the energy storage converter can be arranged in the energy storage converter container, and the uninterruptible power supply device can be arranged in the energy storage battery container.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses do not set up the battery alone, but the battery cluster through in the energy storage battery container truns into uninterrupted power source through uninterrupted power supply device, has simplified the operation and maintenance work on scene, ensures the stability of power supply.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an energy storage power plant of the present embodiment;
description of reference numerals:
1-uninterrupted power supply device, 2-battery cluster, 3-collecting cabinet, 4-energy storage converter, 5-conversion device, 6-battery container, 7-load switch and 8-internal load.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present embodiment provides an energy storage power station, which includes an uninterruptible power supply 1, a battery cluster 2, a combiner box 3, an energy storage converter 4, a conversion device 5, a battery container 6, a load switch 7, and an energy storage power station internal load 8. The uninterrupted power supply device 1 and the battery cluster 2 are arranged in a battery container 6, and the energy storage converter 4 is arranged in an energy storage converter container. The energy storage converter 4 is connected with the battery cluster 2 through the bus bar cabinet 3, wherein the bus bar cabinet 3 contains a load switch 7.
The battery cluster 2 is connected with the energy storage converter 4; the input end of the uninterrupted power supply device 1 is connected with the output end of the battery cluster 2, and the output end of the uninterrupted power supply device is connected with an internal load 8 of the energy storage power station. Specifically, the switching device 5 is arranged between the input end of the uninterruptible power supply device 1 and the battery cluster 2, and the switching device 5 is arranged to facilitate the power supply of the battery cluster 2 to the uninterruptible power supply device. When the specification meets the requirement, the conversion device can be directly connected with the battery cluster. The internal load 8 includes a fire fighting system, a video monitoring system, and a battery management system. In this embodiment, the internal load is not limited, the number of the battery clusters and the energy storage converters is not limited, and those skilled in the art can determine the number as needed.
The uninterrupted power supply device 1 comprises an alternating current incoming line end and a direct current incoming line end, and the direct current incoming line end is connected with the output end of the battery cluster 2 through a conversion device 5; the ac inlet terminal is connected to the input side of the energy storage converter 4, and in this embodiment, the ac inlet terminal is connected to the low voltage side of the transformer of the energy storage converter 4. So set up, when the battery cluster trouble, uninterrupted power supply device is except that direct current side input, and the transformer low pressure side in energy storage converter container is taken to the alternating current input of the same kind in addition, and the stability of supplying power can be guaranteed to two way inputs.
As another alternative, the uninterruptible power supply unit 1 may comprise only a dc inlet terminal.
In this embodiment, the power supply capacity of the battery cluster 2 is greater than 250AH, and the uninterruptible power supply may adopt 5KVA, and includes a 400V ac incoming line and a 220V dc incoming line. The conversion device adopts a DC/DC module converting 844.8V into 220V, and the energy storage converter 4 can be connected with a photovoltaic power generation network. In the present application, the battery power and the specification of the uninterruptible power supply device are not limited, and those skilled in the art can determine the battery power and the specification of the uninterruptible power supply device as needed.
The application provides an operating principle in energy storage power station:
when the battery cluster works normally, the battery cluster supplies power for the internal load of the energy storage power station through the uninterrupted power supply device, so that the power supply requirements in the internal load of the energy storage power station are met, for example, the power is normally supplied to a fire fighting system, a video monitoring system and a battery management system. When a battery cluster breaks down, the normally working battery cluster supplies power to the fire-fighting system, the video monitoring system and the battery management system through the uninterrupted power supply device through a direct current inlet wire of the uninterrupted power supply device, one path of alternating current input of the uninterrupted power supply device is taken from the low-voltage side of a transformer in an energy storage converter container, and meanwhile, the uninterrupted power supply device supplies power normally to the fire-fighting system, the video monitoring system and the battery management system, and the stability of power supply can be ensured through two paths of input.
The embodiment uses the battery cluster of the battery container itself to supply power. If the battery cluster fails, the uninterrupted power supply device has one path of alternating current input from the low-voltage side of the transformer in the energy storage converter container besides the direct current side input, and the two paths of input can ensure the stability of power supply. By adopting the container mode, the battery cluster and the uninterrupted power supply device are arranged in the energy storage battery container, and the energy storage converter is arranged in the energy storage converter container, so that the equipment cost is reduced, and the occupied area is saved. In the embodiment, a storage battery is not separately arranged, but a battery cluster in the energy storage battery container is converted into an uninterruptible power supply through an uninterruptible power supply device, so that the operation and maintenance work on site is simplified, and the stability of power supply is ensured.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (6)
1. An energy storage power station, characterized by: the method comprises the following steps:
the battery cluster is connected with the energy storage converter;
the input end of the uninterrupted power supply device is connected with the output end of the battery cluster; the output end is connected with the internal load of the energy storage power station.
2. The energy storage power station of claim 1 characterized in that: the uninterrupted power supply device comprises an alternating current incoming line end and a direct current incoming line end, and the direct current incoming line end is connected with the output end of the battery cluster; and the alternating current incoming line end is connected with the input side of the energy storage converter.
3. The energy storage power plant of claim 2 characterized in that: and the alternating current incoming line end is connected with the low-voltage side of the transformer of the energy storage converter.
4. The energy storage power station of claim 1 characterized in that: the uninterrupted power supply device is connected with the battery cluster through a conversion device.
5. The energy storage power station of claim 1 characterized in that: the internal load comprises a fire fighting system, a video monitoring system and a battery management system.
6. The energy storage power station of claim 1 characterized in that: the battery cluster is arranged in the energy storage battery container, the energy storage converter is arranged in the energy storage converter container, and the uninterruptible power supply device can be arranged in the energy storage battery container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020298445.3U CN211958803U (en) | 2020-03-11 | 2020-03-11 | Energy storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020298445.3U CN211958803U (en) | 2020-03-11 | 2020-03-11 | Energy storage power station |
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| CN211958803U true CN211958803U (en) | 2020-11-17 |
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| CN202020298445.3U Active CN211958803U (en) | 2020-03-11 | 2020-03-11 | Energy storage power station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952987A (en) * | 2021-03-04 | 2021-06-11 | 江西赣锋锂电科技有限公司 | Energy storage control strategy for building fire safety standby power |
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2020
- 2020-03-11 CN CN202020298445.3U patent/CN211958803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112952987A (en) * | 2021-03-04 | 2021-06-11 | 江西赣锋锂电科技有限公司 | Energy storage control strategy for building fire safety standby power |
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