常用变压器差动保护接线正确性检查  

Correctness Examination of Differential Protection Wiring on Common Transformer

作　　者：殷卫东 

机构地区：[1]通州市供电公司,江苏通州226300

出　　处：《江西电力》2006年第1期11-14,17,共5页Jiangxi Electric Power

摘　　要：本文着重介绍了如何利用相量分析的方法分析变压器差动保护二次接线的常见问题,以及如何通过试验判别变压器差动保护及二次回路接线的正确性,并简要分析了微机差动保护与传统的差动保护在二次接线与带负荷测试方法的异同之处。This article especially introduces how to use vector analysis method to analyze some common problems in secondary wiring in transformer differential-protection and secondary wiring.In addition,it also simply compared the similarities and differences between micromachine differential-protection and traditional differential-protection in the mode of secondary wiring and testing with negative load,

关 键 词：相量分析 环流法 电流互感器 极性 微机差动保护 

分 类 号：TM407[电气工程—电器]