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《Automation of Electric Power Systems》 2001-16
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SEVERAL PROBLEMS APPEARED IN DYNAMIC SIMULATION TESTS FOR MICROPROCESSOR-BASED TRANSMISSION LINE PROTECTIVE RELAYS

Zkou Zexin. Zhou Chunxia. Wang Shirong, Shen Xiaofan, Qiu Yufengdslectrical Power Research institute of China, Beijing 100085. China)  
Based on the experiences from the operation behavior tested on physical model, the problems of mal--operation ofmicroprocessor--based protection are analyzed such as imperfect blocking principle during oscillation. low voltage settingunsuitable for different operating conditions, unreliable operation in the case of high resistance grounding and etc. Somemeasures solving the existing problems are proposed.
【CateGory Index】: TM774
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