Battery management system, method and device, energy storage system and storage medium

By designing multiple management agencies and redundant communication connections in the battery management system, the problem of the system not being able to continue to operate in the event of failure is solved, and higher stability and reliability are achieved.

CN119727010APending Publication Date: 2025-03-28ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +2
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Patent Information

Application Number
CN202411753162.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing battery management system cannot guarantee the continuous operation of the system when the EMS or BCU fails, which affects the stability and safety of the energy storage system.

Method used

A battery management system is designed, in which each battery cluster is managed through a corresponding multiple management mechanism, including a communication unit and a battery management unit, and the communication connection between all management agencies is realized to achieve redundant design to deal with failures.

Benefits of technology

Through redundant design, the battery management system can still operate continuously and stably when a failure occurs, improving the stability and reliability of the system, and optimizing the energy management efficiency.

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Abstract

The invention provides a battery management system, method and device, an energy storage system and a storage medium, and relates to the technical field of energy storage management. The battery management system comprises a plurality of battery clusters and a plurality of first management mechanisms, and each battery cluster is charged or discharged through the corresponding first management mechanism; the first management mechanism comprises a communication unit and a battery management unit which are in communication connection, the communication unit is used for being in communication connection with external equipment, the battery management unit is used for managing the battery cluster, and the battery management units of all the first management mechanisms are in communication connection. According to the invention, the plurality of first management mechanisms comprising the communication units and the battery management units are arranged, and each battery cluster is connected to the power grid or the power utilization load through the corresponding first management mechanism, so that the redundancy design of battery cluster management and communication control is realized, the response capability of the battery management system when a fault occurs is improved, and the reliability of the battery management system is improved. And continuous operation and stability of the system are ensured.
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