电压互感器二次负荷对误差的影响  

Influence of Secondary Load of Voltage Transformer on Errors

作　　者：史轮[1] 赵洋[1] 刘仲海[2] 岳国义[1] 郑光明[1] 

机构地区：[1]河北省电力研究院,河北石家庄050021 [2]保定供电公司,河北保定071051

出　　处：《河北电力技术》2006年第6期40-42,共3页Hebei Electric Power

摘　　要：根据计量用电压互感器的原理和二次多绕组电压互感器的误差特性,分析了电压互感器计量绕组和保护绕组的二次负荷对电压互感器计量绕组误差的影响,明确了电压互感器误差正向超差的原因,提出了电压互感器误差测试及设备选型时应注意的问题。According to measuring voltage transformer principle and Second multi - winding voltage transformer error fea- ture, analyzed the influence of second load of the voltage transformer measurement winding and protective winding on the error of voltage transformer measurement winding error influence, clears the causes of positive voltage transformer error excess, proposes cautions during voltage transformer error test and when the type selection.

关 键 词：电能计量 电压互感器 二次负荷 误差 

分 类 号：TM451[电气工程—电器]