一起断路器绝缘拉杆松动事故分析及防范措施研究

Analysis and Ｒesearch on Protecting Measures for Insulated Pole Fault of Circuit Breakers

摘要:

对一起LW6－220型SF6断路器故障进行了分析，通过对故障断路器试验研究及解体分析，找到了此次事故的原因为绝缘拉杆松动。结合现场情况，对该型断路器的运行维护提出了预防性的措施和建议，为该型设备能够继 续良好的运行提供了强有力技术支持。 的原因为绝缘拉杆松动。结合现场情况，对该型断路器的运行维护提出了预防性的措施和建议，为该型设备能够继 续良好的运行提供了强有力技术支持。

Abstract:

A typical insulated pole fault of LW6 － 220 circuit breakers is analyzed． Through experimental research and disassembling analysis，the main reason of this insulated pole fault is found out． Combined with the operation condition，the preventive measures and suggestions for operation and maintenance of LW6 － 220 circuit breakers are proposed，which provides a technical support for continuous operation of this type of circuit breakers．