Taking the hydro-generator for the Three Gorges power plant as an example, this paper expounds it is very necessary for large_capacity hydro-generator to adopt arc-extinguishingcoil grounding.
以三峡水轮发电机为例,阐述了大型水轮发电机中性点经消弧线圈接地的必要性。
2
The principle of arc-suppression coil with three phases and five columns , and theory of power frequency extinguishing arcing were introduced.
介绍了三相五柱式消弧线圈的工作原理,单相电弧接地过电压的工频熄弧理论。
3
Wound coil of glass fiber insulation material with self-extinguishing properties, will not short circuit arcing, heat of the resin will produce toxic or harmful gases.