高压断路器故障诊断技术研究综述

Summary of Research on Fault Diagnosis Technology of High Voltage Circuit Breaker

高压断路器是电力系统中重要的保护和控制设备,其工作可靠性对保障电力系统的稳定运行至关重要。对高压断路器进行及时、准确的状态监测和故障诊断,进而实现其状态检修,是保障其工作可靠性的关键。在分析目前高压断路器故障状况的基础上,从高压断路器状态信号特征、信号处理、故障识别方法三方面对高压断路器故障诊断方法的国内外研究进展与存在的问题进行了分析。最后,介绍了高压断路器故障诊断领域中需要解决的关键问题,为进一步提升断路器故障诊断方法提供参考。

High voltage circuit breaker is an important protection and control equipment in power system.Its reliability is very important to ensure the stable operation of power system.It is the key to guarantee the reliability of high-voltage circuit breaker to carry out timely and accurate condition monitoring and fault diagnosis,and then to realize its condition maintenance.Based on the analysis of the current fault situation of high-voltage circuit breakers,this paper studies the research status and existing problems of the fault diagnosis methods of high-voltage circuit breakers at home and abroad from the three aspects of signal characteristics,signal processing and fault identification methods.Finally,the key problems to be solved in the field of fault diagnosis of high-voltage circuit breakers are introduced,which provides reference for further improving the effective development of fault diagnosis methods of circuit breakers.