李登云,雷民,熊前柱,聂琪,沈曙明,章江铭

• 1:中国电力科学研究院
• 2:国网浙江省电力公司电力科学研究院

摘要(Abstract)：

针对数字量输出型直流电压互感器实际误差情况及误差特性研究不足的现状,建立数字量输出型直流电压互感器的误差分析模型,完成现场校准试验,得到实际误差情况,并详细分析误差特性。结果表明,数字量输出型直流电压互感器存在超差现象,但可以通过误差修正达到0.2级要求;基本误差的线性度为0.1%~0.2%;升降变差和短时稳定性均在10-4数量级;存在零点漂移现象,经过零点修正,线性度优化了0.08%,10%额定电压下的测量准确度提高了0.1%。

关键词(KeyWords)： 数字量输出;直流电压互感器;误差特性;误差分析模型;线性度;零点漂移

Abstract:

Keywords:

基金项目(Foundation): 国网公司科技项目(JL71-15-042)~~

作者(Author): 李登云,雷民,熊前柱,聂琪,沈曙明,章江铭

DOI: 10.16652/j.issn.1004-373x.2018.04.030

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