The abnormal phenomenon of long time higher neutral voltage shift in a substation is analyzed, which is grounded through arc suppression coil.
针对变电所消弧线圈接地系统在正常运行情况下中性点位移电压长时间偏高现象，进行了分析。
Generator neutral ground methods include non-ground, low impedance ground, high impedance ground and arc-suppression coil ground.
发电机中性点运行方式有中性点不接地、小阻抗接地、高阻抗接地、消弧线圈接地。
To solve these problems, the compensating method of neutral point grounding through Peterson coil is commonly used in our country.
为了解决这一问题，我国现在普遍采用中性点经消弧线圈接地的补偿方式。
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