A method and system for online monitoring of reactor special electrical equipment

By combining a multimodal fusion fault diagnosis algorithm with sensor units, comprehensive online monitoring of reactor electrical penetration equipment is achieved, solving the problem of low accuracy of condition diagnosis results in existing technologies and improving the accuracy of fault identification and the real-time assessment capability of equipment status.

CN122149559APending Publication Date: 2026-06-05NUCLEAR POWER INSTITUTE OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NUCLEAR POWER INSTITUTE OF CHINA
Filing Date
2026-01-27
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing technologies cannot achieve comprehensive online monitoring of reactor electrical penetration equipment, especially lacking real-time assessment of insulation performance and acquisition and analysis of partial discharge signals, resulting in untimely fault identification and low accuracy of condition diagnosis results.

Method used

A multimodal fusion fault diagnosis algorithm is adopted, which combines temperature, partial discharge and pressure data. Through infrared thermal imaging sensors, ultra-high frequency sensors and pressure monitoring modules, a sensor unit, a signal acquisition unit and a background monitoring center are constructed to realize real-time monitoring and comprehensive diagnosis of the temperature, partial discharge and pressure status of electrical penetrating equipment.

Benefits of technology

It enables multi-dimensional status perception of reactor electrical penetration equipment, improves the accuracy and depth of fault diagnosis, can identify partial discharge types and predict their development trends, reduces interference with equipment operation, and acquires richer and more accurate status data.

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Abstract

The application discloses a kind of reactor special electrical equipment online monitoring method and system, it is related to monitoring system technical field, including obtaining temperature data, partial discharge data and pressure data generated when electrical penetration equipment operates;According to the data generated when operating, process and obtain corresponding temperature distribution chart, partial discharge trend chart, PRPD spectrum chart, PRPS spectrum chart and pressure change trend chart;Build the multi-modal fusion fault diagnosis algorithm including feature extraction module, temperature analysis module, pressure analysis module, partial discharge analysis module and comprehensive evaluation module;Temperature distribution chart, partial discharge trend chart, PRPD spectrum chart, PRPS spectrum chart and pressure change trend chart are analyzed using multi-modal fusion fault diagnosis algorithm, obtain the fault condition of electrical penetration equipment;For solving the problem that traditional monitoring function is single, and the accuracy of state diagnosis result is low.
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