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Hierarchical protection control system of smart substations 被引量:4
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作者 Yuping ZHENG Delin WANG +1 位作者 Zexin ZHOU Tuanjie CAO 《Journal of Modern Power Systems and Clean Energy》 SCIE EI 2014年第3期282-288,共7页
This paper analyzes the problems of the relay protections and secondary circuits of traditional substations,and introduces the hierarchical protection and control system of smart substations based on the technologies ... This paper analyzes the problems of the relay protections and secondary circuits of traditional substations,and introduces the hierarchical protection and control system of smart substations based on the technologies like IEC 61850 Standard,electronic instrument transformer,process level network,and wide area optical fiber communication network,etc.The hierarchical protection and control system includes three levels:local area protection,substation area protection and control,and wide area protection and control.These three levels are combined to solve the problems of the relay protections in traditional substations,thus improving protection performance and control capability of the system. 展开更多
关键词 Smart substation Relay protection hierarchical protection and control system Local area protection Substation area protection and control Wide area protection and control
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