电流互感器特性对母差保护动作可靠性的影响及改进措施  

The characteristic of current transformer impacting the reliability of buses differential protection action and the improvement measures

作　　者：孙树义 

机构地区：[1]银川供电局,银川市750011

出　　处：《宁夏电力》2004年第2期13-16,共4页Ningxia Electric Power

摘　　要：通过实际试验数据及理论分析,阐述了变电站电流互感器特性对相比式母线差动保护动作性能的影响,尤其是中间变流器特性和开关电流互感器的配合问题,以便于分析变电站同类型的母差保护动作的可靠性。Presents the characteristic of substation current transformer to impact the function of buses differential protection act through practical test data and theoretical analysis, describes especially the problem of intermediate current transformer feature coordination with switching current transformer, which is very useful to analysis the same type of buses differential protection.

关 键 词：电流互感器 母差保护 技术改进 可靠性 

分 类 号：TM452[电气工程—电器]