配电网电压互感器中性点接地方式研究

A Study of Distribution Network VoltagetransformerNeutrium Grounding Method

通过对配电网中电压互感器（ＰＴ）中性点不同接地方式的对比分析，经过对井口变电站１０ｋＶＰＴ中性点不同接地方式在线路接地时二次响应的现场实测，研究结果表明在中性点不接地系统中，ＰＴ中性点宜采用经单相电压互感器接地的方式。

Through contrast and analysis of distrbution network voltagetransformer neutrium grounding.While scenemeasuring twicerespond of Jingkou Alterelectric Station in 10 kV linegounded,it is shown that voltagetransformer neutrium grounding method fit to through singlephase voltagetransformer in neutrim nongrounding network.