Energy storage system control method and device, energy storage system and storage medium

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AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By acquiring and comparing the threshold SOC of the energy storage module with the current SOC in the energy storage system, determining the module availability, solving the overdischarge risk problem caused by redundant bypass technology and improving the utilization rate of the system.

CN119651702APending Publication Date: 2025-03-18CONTEMPORARY AMPEREX FUTURE ENERGY RES INST (SHANGHAI) LTD +1

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Patent Information

Application Number: CN202311197667.0
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2023-09-15
Publication Date: 2025-03-18

Application Information

Patent Timeline

15 Sep 2023

Application

CN202311197667.0

18 Mar 2025

Publication

CN119651702A

IPC: H02J3/32; H02J7/00

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Application Domain

Batteries circuit arrangements Ac network load balancing

Technology Topics

Process engineering Physics

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AI Technical Summary

Technical Problem

In energy storage systems, redundant bypass technology may lead to overdischarge risk when the energy storage module fails, thereby reducing system utilization.

Method used

By obtaining the threshold SOC and current SOC of the energy storage module, and determining the threshold SOC according to the health status, if the current SOC is greater than the threshold SOC, it is determined that the module is available to reduce the risk of overdischarge.

Benefits of technology

It reduces the chance of overdischarge risk of energy storage modules and improves the utilization rate of energy storage systems.

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Abstract

The invention provides an energy storage system control method and device, an energy storage system and a storage medium. The energy storage system control method comprises the steps of obtaining a threshold SOC and a current SOC of an energy storage module in the energy storage system; wherein the threshold SOC is determined according to the health state of the energy storage module; when the current SOC of the energy storage module is greater than the threshold SOC of the energy storage module, the energy storage module is available; and determining the energy storage module for executing the energy storage task from the available energy storage modules according to the distribution rule. The energy storage system control method is used for reducing the probability of an over-discharge risk of the energy storage module, so that the utilization rate of the energy storage system is improved.

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