变压器保护比率差动试验调试技术探析  

Analysis of Debugging Technology of Transformer Protection Ratio Differential Test

作　　者：付正刚 FU Zhenggang(Duyun Power Supply Bureau of Guizhou Power Grid Co.,Ltd.,Duyun 558000,China)

机构地区：[1]贵州电网有限责任公司都匀供电局,贵州都匀558000

出　　处：《电工技术》2021年第13期131-133,共3页Electric Engineering

摘　　要：针对继电保护现场校验调试工作中变压器比率差动保护试验这一调试难点,选取工程中较典型的两种变压器保护装置PST-1200和RCS-978,总结了比率差动保护试验的调试方法和校验步骤,为从事继电保护的现场工作人员提供参考。Aiming at the debugging difficulty of the transformer ratio differential protection test in the field verification and debugging of relay protection,two typical transformer protection devices PST-1200 and RCS-978 are selected in the project,and the debugging methods and verification steps of the ratio differential protection test are summarized to provide references for field workers engaged in relay protection.

关 键 词：继电保护 变压器保护 比率差动 差动电流 制动电流 

分 类 号：TM774[电气工程—电力系统及自动化]