A Comprehensive Review of Performance Degradation Analysis Methods for Micro-Electromagnetic Relays

doi:10.16628/j.cnki.2095-8188.2026.01.001

Abstract

Abstract:

The current research status regarding the performance degradation of micro-electromagnetic relays is elaborated.The characteristics and applicability of existing performance degradation analysis methods for micro-electromagnetic relays are systematically collated and comparatively analyzed,and the applications of analytical methods such as fault tree analysis (FTA),simulation modeling and machine vision are comprehensively reviewed.Based on an in-depth review of recent research literature,the advantages and disadvantages of existing analytical methods are systematically summarized,thereby providing effective strategies and improvement ideas for enhancing the reliability of power systems.Although various methods can achieve the performance degradation analysis of micro-electromagnetic relays to a certain extent,there are still significant differences in accuracy,applicability and usability.The future research direction is focused on integrating image processing and deep learning technologies, achieving the automatic extraction of defect features and monitoring of dynamic electrical parameters,and establishing the mapping relationship between physical defects and performance degradation,so as to improve the practicality and applicability of the analysis.

Key words: micro-electromagnetic relays, performance degradation, fault tree analysis, simulation model, machine vision

CLC Number:

TM58

TAN Li, WANG Zhaobin. A Comprehensive Review of Performance Degradation Analysis Methods for Micro-Electromagnetic Relays[J]. LOW VOLTAGE APPARATUS, 2026, 0(1): 1-8.

Figures/Tables 6

References 24

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方法	适用缺陷类型	动态参数关联能力	主要局限性
FTA	系统性失效	弱 (静态逻辑)	无法表征多物理场耦合效应
仿真模型	机械/电参数退化	中 (需实验校准)	模型误差影响数据置信度,多软件耦合误差(1%~3%)需实验补偿
机器视觉	表面物理缺陷	弱 (静态图像)	难以关联电性能动态退化参数