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Battery electric quantity balancing method and device, equipment and storage medium

A technology of battery power and balancing method, applied in battery circuit devices, circuit devices, charge balancing circuits, etc., can solve problems such as low efficiency and achieve the effect of improving efficiency

Pending Publication Date: 2021-10-08
SOUTHERN POWER GRID PEAK LOAD & FREQUENCY REGULATION GENERATING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing battery power balance method needs to charge and discharge each sub-module in the modular multi-level battery energy storage system one by one, so there is a problem of low efficiency

Method used

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  • Battery electric quantity balancing method and device, equipment and storage medium
  • Battery electric quantity balancing method and device, equipment and storage medium
  • Battery electric quantity balancing method and device, equipment and storage medium

Examples

Experimental program
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Embodiment Construction

[0040] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0041]The battery power balancing method provided by this application can be applied to computer equipment, and the computer equipment can be a server or a terminal, where the server can be one server or a server cluster composed of multiple servers. The embodiment of this application This is not specifically limited, and the terminal may be, but not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices.

[0042] Taking computer equipment as a server as an example, figure 1 shows a block diagram of a server, such as figure 1 As shown, a server may include processors and memory connected by a system bus. Among them, the processor of the server is used to provide...

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Abstract

The invention relates to a battery electric quantity balancing method and device, equipment and a storage medium. The method comprises the following steps: sequentially obtaining a battery module of each phase from a modular multi-level battery energy storage system, wherein the modular multi-level battery energy storage system comprises at least two phases of battery modules; for the battery module of each phase, dividing the battery modules of the same phase into a charging module and a discharging module; and carrying out battery electric quantity equalization processing on the charging module and the discharging module by adopting the battery modules of other phases until the dischargeable electric quantity of the charging module and the dischargeable electric quantity of the discharging module meet a preset condition. According to the technical scheme provided by the embodiment of the invention, the efficiency of balancing the electric quantity of each battery module in the modularized multi-level battery energy storage system can be improved.

Description

technical field [0001] The present application relates to the technical field of battery energy storage, and in particular to a method, device, equipment and storage medium for battery power balance. Background technique [0002] Modular multi-level battery energy storage system is considered to be one of the most promising battery energy storage system topologies due to its characteristics of ports that can be connected to AC and DC grids at the same time, modular structure, and low harmonics. The modular multi-level battery energy storage system includes multiple battery modules, and before the modular multi-level battery energy storage system runs, it is necessary to balance the power of each battery module to ensure that the modular multi-level battery energy storage system of normal operation. [0003] At present, when balancing the power of each battery module in a modular multi-level battery energy storage system, charging and discharging is usually performed with a ...

Claims

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Application Information

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IPC IPC(8): H02J7/00H01M10/44
CPCH02J7/0016H02J7/0048H02J7/005H02J7/007182H02J7/00714H01M10/441Y02E60/10
Inventor 陈满凌志斌彭鹏李勇琦李毓烜朱焕杰田凯
Owner SOUTHERN POWER GRID PEAK LOAD & FREQUENCY REGULATION GENERATING CO LTD
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