变电设备在线监测与故障诊断技术

检修是保证电气设备正常运行的必要手段，在电力系统中推行状态检修是电气设备检修制度发展的必然选择。介绍了电力系统状态检修技术的发展与现状，给出了变压器、断路器、避雷器等变电设备在线监测的基本方法与故障诊断的工作原理，阐述了基于在线监测与故障诊断的状态检修技术，并指出了实施该技术目前存在的问题和今后发展的方向。

Online monitoring and fault diagnosis technology of electric power equipment

For power equipment,condition-based maintenance is bound to be the principle of equipment maintenance,which means much to the healthy of power system.The paper introduced the development and current situation of condition-based maintenance in electric system,and fundamental methods of on-line monitoring and operating principles of fault diagnosis with transformer,breaker,arrester have been given,the condition-based maintenance on the basis of on-line monitoring and fault diagnosis has been expounded.In the ...