通过计算和分析表明：变压器中性点接入小电抗对系统的操作过电压基本不会产生影响。
Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.
文章就中性点小电抗的接入对系统的操作过电压的影响进行了研究。
In this paper, the effect of the neutral grounded by the low reactance on switching over-voltage in the power system is studied.
基于对称分量法，对电能表中性点虚接后的电压互感器二次压降进行了分析，得出了正确接线前后的计量误差变化量。
The on-site test results indicate that energy meter's neutral point virtual connection has a great effect on PT secondary voltage drop.
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