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New energy storage battery distributed control system

A distributed control and energy storage battery technology, which is applied to battery circuit devices, multiple synchronous battery arrangements, collectors, etc., can solve problems such as the paralysis of the entire branch circuit

Active Publication Date: 2019-12-03
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a new energy storage battery distributed control system to solve the problem that the current energy storage battery management system will cause the entire branch to be paralyzed due to BCMU failure

Method used

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings of the description.

[0018] as attached figure 1 Shown is a schematic structural diagram of a new energy storage battery distributed control system of the present invention, including a distributed three-layer system consisting of a top-level energy storage system management unit BAMS, a middle-level battery cluster management unit, and several bottom-level battery management units BMU management structure. The QT creator under the Linux system configures the cross-compilation environment, and then compiles the corresponding function program and burns it into the corresponding module unit: BAMS, BCMU, BMU. Download the compiling program for collecting the voltage and temperature of a single battery to the battery management unit, download the compiling program for collecting the total voltage and current of the entire group of batteries to the battery cluster ...

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Abstract

The invention relates to a new energy storage battery distributed control system, and belongs to the field of new energy storage systems. The system comprises a distributed three-layer management structure consisting of a top-layer energy storage system management unit (BAMS), a middle-layer battery cluster management unit and a plurality of bottom-layer battery management units (BMU), the middle-layer battery cluster management unit comprises a plurality of groups consisting of battery cluster management subunits (BCMU), wherein each group comprises two or more than two battery cluster management subunits (BCMUs), the distributed three-layer management structures are in CAN communication connection, and the battery cluster management subunits (BCMUs) in each group are in CAN communicationconnection. The BCMUs in each group are in communication connection, information sharing and exchange can be achieved, and all the BMUs in the group are cooperatively managed together, so that the whole system can still operate normally when the BCMUs in the group fail.

Description

technical field [0001] The invention relates to a new energy storage battery distributed control system, which belongs to the field of new energy storage systems. Background technique [0002] Most of the existing battery management systems are directly quoted from the electric vehicle management system. The service battery capacity is small, the function is single, and the real-time performance is poor. The large-capacity batteries in the megawatt-level energy storage system are connected in series. Sexual management puts forward stricter requirements. After repeated charging and discharging of the battery, the performance of the single cell will be inconsistent, resulting in the deterioration of the overall performance of the battery, affecting the battery life and the calculation accuracy of the SOC of the battery stack. This requires that the battery management system not only detects the battery status in real time and uploads it to the energy conversion PCS system and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32H02J7/00
CPCH02J3/32H02J7/0013
Inventor 梁鹏威康振全罗开明刘洪星王建章马莉莉
Owner STATE GRID CORP OF CHINA
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