发变组500 kV开关非全相故障的处理及防范  

Treatment and Prevention of Non-full-phase Fault of 500 kV Switch in Generator-transformer Unit

作　　者：李俊[1] LI Jun(Huaneng Taicang Power Plant,Suzhou 215424,Jiangsu Province,China)

机构地区：[1]华能太仓电厂

出　　处：《电力安全技术》2019年第4期64-68,共5页Electric Safety Technology

摘　　要：介绍了某电厂发变组500kV高压出口开关非全相故障现象、保护动作情况、故障处理过程及注意事项,强调操作前的安全预控措施,防止故障扩大对电力系统的冲击和发电设备损坏。This paper introduces the phenomena of non-full-phase faults, protective action, fault treatment process and matters needing attention of 500 kV high-voltage outlet switch of a generator-transformer unit in a power plant, and emphasizes the safety precontrol measures before operation, so as to prevent the impact of fault expansion on power system and the damage of power generation equipments.

关 键 词：发变组开关 非全相故障 故障处理 故障防范 

分 类 号：TM40[电气工程—电器]