Ring main unit storage battery online health management device and method

By installing an online health management device consisting of a power supply module, a sensor module, and an edge computing module in the ring main unit, the battery status can be monitored and evaluated in real time, solving the problem of switch failure caused by battery performance degradation and improving the stability and operation and maintenance efficiency of the power distribution system.

CN121770089APending Publication Date: 2026-03-31JINING POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
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Patent Information

Application Number
CN202511744410.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-25
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing technologies, batteries in ring main units are susceptible to high and low temperatures. Long-term overcharging and float charging lead to performance degradation. Regular manual inspections have long cycles, poor data real-time performance, and cannot detect faults in a timely manner, which can easily lead to serious faults such as switch failure to operate, affecting the reliability of power supply.

Method used

An online health management device for ring main unit batteries is provided, including a power supply module, a sensor module, an edge computing module, a human-machine interface module, and a communication module. By collecting parameters in real time, it performs health status assessment and fault diagnosis, generates control commands, drives the actuator to perform charging and discharging control, and interacts with the power distribution automation platform to realize intelligent early warning and remote operation and maintenance.

Benefits of technology

It enables real-time monitoring and intelligent evaluation of the ring main unit's batteries, reduces the risk of switch failure, improves the stability and economy of the power distribution system, simplifies the operation and maintenance process, and reduces the cost of manual intervention.

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Abstract

The invention discloses a ring main unit storage battery online health management device and method, and belongs to the technical field of ring main unit storage battery health management, and the device comprises a power supply module, a sensor module, an edge calculation module, a man-machine interface module, a communication module and an execution mechanism. Wherein the power supply module provides a stable power supply for the device, supports AC / DC dual-path input and has an automatic switching function; the sensor module collects operation parameters of a ring main unit storage battery. The edge calculation module carries out health state evaluation and fault diagnosis based on the collected operation parameters, generates a corresponding control instruction, drives an execution mechanism to respond to the control instruction, and carries out charge and discharge control on the storage battery; the communication module performs data interaction with the power distribution terminal and the power distribution automation platform; the man-machine interface module is used for local display, parameter setting and alarm indication. The ring main unit storage battery online health management system is simple in structure and easy to install, effectively achieves ring main unit storage battery online health management, and improves the operation stability and economical efficiency of a power distribution system.
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