220kV旁路保护改造工程要点  

Key Points of 220 kV Bypass Protection Renovation Project

作　　者：张耀勋 ZHANG Yaoxun(Suzhou Power Supply Company,Suzhou 215200)

机构地区：[1]国网江苏省电力有限公司苏州供电分公司,江苏苏州215200

出　　处：《电力安全技术》2024年第6期61-65,共5页Electric Safety Technology

摘　　要：针对220 kV变电站旁路保护改造工程,从安全措施布置、随工验收、工程启动等方面分析了旁路保护改造中的要点,同时对旁路代供主变二次跳闸回路、电流回路、电压回路的拆接注意事项进行了归纳,以期为运维人员进行设备的倒闸操作以及异常处理提供参考。In allusion to the bypass protection transformation project for a 220 kV substation,analysis is conducted on the key points in the renovation of bypass protection for the substation in terms of safety arrangement,follow up acceptance,project startup and others,and summary is made on the aspects in the disconnection and connection of the secondary trip loops,current loops and voltage loops of bypass-supplied main transformers so as to offer reference for operators in switching operations and anomaly settlements.

关 键 词：旁路保护 保护改造 回路切换 

分 类 号：TM645[电气工程—电力系统及自动化]