t and voltage transformers.Р赵曼勇(1957-),女,硕士,教授级高工,从事继电保护运行管理工作和研究Р舒双焰(1972-),男,硕士,工程师,从事继电保护运行管理工作和研究Р赵有铖(1977-),男,硕士,工程师,从事继电保护运行管理工作和研究РThe scheme of Current Transformer Coils Used by РProtections and Measures against Dead Zone in High Voltage Power SystemРZHAO Manyong, SHU Shuangyan, ZHAO YouchengР(CSG Dispatch munication Center, Guangzhou, Guangdong 510623, China)РAbstract:When there was a fault inside of GIS the protections can not open the breaker immediately because current transformer coils used by line protections and bus protections did not connect across each other. Various local fault connections of current transformer coil are analyzed. Measures and advises against dead zone in high voltage power system are presented. These can be considered by designing ,making and operating.
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