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Anti-circulation battery energy storage system and control circuit thereof

A battery energy storage system and control circuit technology, applied in battery circuit devices, flexible AC transmission systems, safety/protection battery circuits, etc., can solve problems such as circulation, achieve high reliability and stability, fast action process, increase The effect of implementation method and operation reliability

Inactive Publication Date: 2018-08-03
CHINA AVIATION LITHIUM BATTERY LUOYANG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an anti-circulation battery energy storage system and its control circuit, which is used to solve the problem of circulation between battery clusters in the energy storage system

Method used

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  • Anti-circulation battery energy storage system and control circuit thereof
  • Anti-circulation battery energy storage system and control circuit thereof

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Embodiment Construction

[0027] The object of the present invention is to provide an anti-circulation current battery energy storage system and its control circuit, which are used to solve the problem of circulation between battery clusters in the energy storage system.

[0028] To achieve the above object, the technical solution provided by the invention is:

[0029] An anti-circulation battery energy storage system, comprising at least two energy storage branches, each of which is connected in parallel;

[0030] Each energy storage branch includes a battery cluster, a charging circuit and a discharging circuit; a first switch and a first diode are connected in series on the charging branch, and a second switch and a second diode are connected in series on the discharging branch; The charging branch and the discharging branch are connected in parallel to the corresponding battery cluster, wherein the cathode of the first diode is connected to the positive pole of the corresponding battery cluster, an...

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Abstract

The invention provides an anti-circulation battery energy storage system and a control circuit thereof. The system comprises at least two energy storage branch circuits, and the energy storage branchcircuits are in parallel connection; each energy storage branch circuit comprises a battery cluster, a charging circuit and a discharging circuit; each charging branch circuit is in series connectionwith a first switch and a first diode, and each discharging branch circuit is in series connection with a second switch and a second diode; each charging branch circuit is in parallel connection withthe corresponding discharging branch circuit and connected with the corresponding battery cluster, wherein a cathode of each first diode is connected with an anode of the corresponding battery cluster, and an anode of each second diode is connected with the anode of the corresponding battery cluster. According to the anti-circulation battery energy storage system and the control circuit thereof, each energy storage branch circuit is provided with the charging circuit and the discharging circuit which are in parallel connection, each charging circuit and each discharging branch circuit are bothprovided with the corresponding diode, thereby preventing circulation among the battery clusters, and the problem that the circulation occurs among the battery clusters in the energy storage system is solved.

Description

technical field [0001] The invention belongs to the technical field of power grid energy storage control, and in particular relates to an anti-circulation current battery energy storage system and a control circuit thereof. Background technique [0002] In recent years, with the rapid development of the national economy, my country's electricity demand is also increasing rapidly, which has led to the rapid expansion of the power industry, and the installed capacity of the power grid has achieved a leap-forward growth. At the same time, a series of electric energy question. [0003] Affected by the natural environment and human production and living habits, there is a huge peak-to-valley difference in my country's power load demand, and the power load demand often increases sharply in certain months of the year or certain hours of the day. , which brings huge operating pressure to the power grid and power plants; while the power consumption at other times is relatively small. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J3/32
CPCH02J3/32H02J7/0014H02J7/0026H02J7/00304Y02E40/10
Inventor 臧思佳刘祖凡张瑞宋闻雨王鹏飞王佳斌
Owner CHINA AVIATION LITHIUM BATTERY LUOYANG
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