500kV变压器相间后备保护中的注意事项探究  

Dissussion on Points for Attention the Interphase Back-up Protection of 500kV Transformenrs

作　　者：肖锦湘 XIAO Jin-xiang(Shaoguan Power Supply Bureau,Guangdong Grid Co.Ltd.,Shaoguan 512000,China)

机构地区：[1]广东电网有限责任公司韶关供电局,广东韶关512000

出　　处：《电气开关》2020年第3期106-108,共3页Electric Switchgear

摘　　要：本文从500kV变压器相间后备保护配置及作用出发,分析其必要性。在此基础上构建自适应相间后备保护系统,对配置要求、保护方案等进行研究,借助数值整定、在线判断、自适应调整等,从根本上提升500kV变压器相间后备保护的准确度和灵敏度,希望在一定程度上改善500kV变压器安全运行效益。Starting from the interphase back-up protection configuration and action,analyze its necessity.On the hasis of this,set up the adaptive interphase back-up protection system.It carries out studies for configuration requirements and protection schemes and soon.With the help of numerical setting,on line judgement and adaptive adjustment,increase accuracy and sensitivity of the interphase back-up protection of 500kV transformen.In a degree,it will improve safety running benefit of 500kV transformer.

关 键 词：相间后备保护 作用 自适应保护 配置 

分 类 号：TM41[电气工程—电器]