500kV线路重合闸定值修改对核电厂继电保护的影响  

Influence of 500 kV Line Reclosing Setting Modification on Relay Protection of Nuclear Power Plant

作　　者：张洁云 ZHANG Jieyun(China Nuclear Industry Fifth Construction Co.,Ltd.,Shanghai 201500,China)

机构地区：[1]中国核工业第五建设有限公司,上海201500

出　　处：《电工技术》2022年第10期70-71,75,共3页Electric Engineering

摘　　要：主要分析了福清核电厂500 kV开关站线路保护重合闸定值时间由0.7 s整定为1.3 s后对该核电开关站保护、变压器保护、发电机保护、6.6 kV厂用电系统保护及核电厂功率输送产生的影响,为同行提供经验参考。This paper mainly analyzes and introduces the impact of the setting time of line protection reclosing in the 500 kV switchyard of Fuqing nuclear power plant from the original 0.7 s to 1.3 s on the protection of the nuclear power switchyard, transformer protection, generator protection, 6.6 kV auxiliary power system protection and power transmission of the nuclear power plant, so as to provide experience reference for peers.

关 键 词：开关站 线路保护 重合闸 机组安全 

分 类 号：TM623[电气工程—电力系统及自动化]