电子式互感器在智能变电站中的应用分析  

Electronic Transformer Application Analysis in Smart Substation

作　　者：张志鹏[1] 徐其航[2] 朱萍[1] 

机构地区：[1]河北省电力勘测设计研究院,石家庄050031 [2]华北电力大学,河北保定071003

出　　处：《河北电力技术》2014年第3期8-10,共3页Hebei Electric Power

摘　　要：结合电子式互感器的特点,分析智能变电站应用时的电子式互感器原理选择,电子式互感器和合并单元的布置原则及电子式互感器对继电保护的影响,并提出ECT小电流或数字饱和时的保护装置对策。Combined with the characteristics of the electronic transformer,this paper analyzes the principle selection of the electronic transformer,the arrangement principles of elec-tronic transformer and merging unit,analyzes the influence of electronic transformer in relay protection,and proposes the protection device countermeasures when ECT was in small current or digital saturated state.

关 键 词：电子式互感器 合并单元 数字饱和 保护算法 

分 类 号：TM933[电气工程—电力电子与电力传动]