This paper simply describes the forming and operating principle of LCBⅡ differential protection, introduces the features ofthe protection applied in Guangdong 50kV system, analyzes the cause of not operating during f...This paper simply describes the forming and operating principle of LCBⅡ differential protection, introduces the features ofthe protection applied in Guangdong 50kV system, analyzes the cause of not operating during fault within protective zone,and presentsthe corresponding solution and actual measures.展开更多
文摘This paper simply describes the forming and operating principle of LCBⅡ differential protection, introduces the features ofthe protection applied in Guangdong 50kV system, analyzes the cause of not operating during fault within protective zone,and presentsthe corresponding solution and actual measures.