断路器合闸线圈和接触器烧毁现象分析及防范措施

Analysis of the Burn of Circuit Breaker Closing Coils and Contactors and Preventive Measures

断路器控制回路的合闸线圈和接触器烧毁现象是变电运行工作中经常遇到的普遍问题。在目前电网容量不断扩大、社会对电网安全可靠运行的要求日趋严格的情况下,此类问题易造成设备障碍、电气火灾事故以及对客户长时间、大面积的停电。通过对断路器合闸线圈、合闸接触器线圈烧毁现象的危害和原因进行分析讨论,从运行维护、设备检修等方面入手制定相应的防范和整改、技改措施,保证断路器操作的顺利进行。避免设备损坏和保证对客户的可靠、稳定供电。

The bum of circuit breaker closing coils and contactors is a common problem in the switchyard operates, Through the analysis of the harm and causes, the paper elaborates the corresponding preventive and improving measures from the aspects of operational mainte nance and equipment examine and repair.