110kV主变方向过流保护TA极性接法中存在的问题及解决方法  

110 kV Main Transformer Over Current Protection TA Polarity Connection Problems and Solutions

作　　者：朱晔 冯驰 

机构地区：[1]国网浙江长兴县供电公司检修建设工区,浙江长兴313100

出　　处：《上海电力学院学报》2015年第B05期90-92,共3页Journal of Shanghai University of Electric Power

摘　　要：阐述了电流互感器在主变中各绕组极性的接法，研究了电流互感器在线路保护中各绕组极性的接法其结论可供工程技术人员在事故分析时参考，或在建设变电站中作为电流互感器接线的借鉴．The current transformer in the main variable with each winding polarity connection method is described, different substation grounding methods in the different uses of the polarity are studied. This conclusion can provide reference for engineers in the accident analysis, or as a current transformer connected line reference in the construction of substation.

关 键 词：方向过流保护 减极性 TA极性 差动保护 

分 类 号：TM452[电气工程—电器] TM588.1