某电站220 kV 连接线热故障的分析与处理

摘要

Thermal failure of the connecting line is a common fault of the power plant devices , which could seriously in-fluence the safe and reliable operation of the whole system .A thermal failure of the 220 kV connecting line in Tongjiezi Hydropower Station is introduced .With a one-by-one elimination method , the fault is successfully resolved .Prevention measures are also proposed .%鉴于连接线的热故障是发电厂设备运行中的常见故障，若不及时排除，会对整个系统的安全可靠运行带来严重影响，结合铜街子水电站220 kV连接线热故障情况，采用逐项排除法进行分析，提出了有效的解决方案及预防措施。