对220kV龙丰东线线路保护更换工程的认识  

Understanding of Line Protection Replacement Project of 220 kV Long-Feng East Line

作　　者：罗永刚[1] 高锦锋 

机构地区：[1]四川电力职业技术学院,四川成都610072 [2]绵阳电业局,四川成都621000

出　　处：《四川电力技术》2009年第5期89-91,共3页Sichuan Electric Power Technology

摘　　要：着重介绍了220 kV线路保护更换时的危险点、保护预试的过程,分析了保护预试、带负荷测试中所出现的问题及解决的方法,这对提高220 kV线路保护的更换技术水平具有一定的指导意义。The dangerous points when replacing the protection of 220 kV line and the process of the pre - test of protection are introduced emphatically. The problems occurring in the pre - test of protection and load test are analyzed, and the solutions are suggested. It is an important guidance for enhancing the technical level of protection replacement of 220 kV line.

关 键 词：220 KV线路 保护更换 危险点分析 保护预试 负荷测试 

分 类 号：TM773[电气工程—电力系统及自动化]