一起事故隐患的发现及建议

Finding of a Hidden Fault and Suggestion

阐述了断路器的作用及其在电力系统中的重要性,介绍了影响接触电阻的因素。针对现场一起具体的预试项目,分析了事故隐患发现的过程。最后,结合现行预试规程的有关规定,对SF6断路器的预试项目提出了建议。

This paper describes the function of circuit breaker and its significance in power sy stem.The factors affecting contact resistance are presented.According to test it em of SF 6 circuit breaker,the paper analyzes the process of finding a hidden fault.A useful suggestion to the precautionary test of SF 6 circuit breaker is put forward with reference to related test rules.