A Novel Installation of Open-circuit Protection for Current Transformers
jin jian-feng~1; weng li-min~2; hu yan-ling~1; shen li-ming~3( 1.zhengzhou electric power college; zhengzhou 450004 ; 2.college of electric power engineering of wuhan university; wuhan; 430072; 3.xinxiang power supply company xinxiang 453002; china )