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Battery energy storage system

A battery energy storage system and battery system technology, applied in the field of power control, can solve problems such as low system stability and large peak load of power consumption, and achieve low system stability, relieve power supply pressure, and improve power quality. Effect

Inactive Publication Date: 2018-05-08
STATE GRID BEIJING ELECTRIC POWER +1
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Problems solved by technology

[0004] The embodiment of the present invention provides a battery energy storage system to at least solve the technical problem of low system stability due to the large peak load of electric vehicle charging stations

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Embodiment Construction

[0020] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0021] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a battery energy storage system, which comprises a battery system for storing electric energy, a battery management system and a bidirectional converter, wherein the battery management system is connected with the battery system and is used for acquiring voltage of the battery system and carrying out charging and discharging control on the battery system according to the voltage; and the bidirectional converter is connected with the battery management system and is used for converting AC input from a power grid into DC and converting the DC input from the battery management system into the AC to carry out charging and discharging control on the battery system through the battery management system. According to the battery energy storage system, the technical problemof relatively low system stability due to high peak load of an electric vehicle charging station is solved.

Description

technical field [0001] The invention relates to the field of power control, in particular to a battery energy storage system. Background technique [0002] At present, the construction of charging stations in China is a decentralized operation mode, and there are many charging stations. At the same time, with the promotion of electric vehicles, the demand for electric energy is gradually increasing. Then, there will be a large peak load of electricity consumption, a large demand for electric energy, and a large supply pressure, which will affect the stability of the system. [0003] For the above problems, no effective solution has been proposed yet. Contents of the invention [0004] An embodiment of the present invention provides a battery energy storage system to at least solve the technical problem of low system stability caused by a large peak load of electric vehicle charging stations. [0005] According to an aspect of an embodiment of the present invention, a bat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32
CPCH02J3/32Y02E40/10
Inventor 曾爽刘秀兰张雅静关宇张玉佳陈熙李香龙陈艳霞金渊
Owner STATE GRID BEIJING ELECTRIC POWER
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