目前对大容量发电机中性点接地方式有两种不同观点,即中性点经配电变高阻接地和经消弧线圈谐振接地。
Two different viewpoints about neutral ground way of large-capacity generators at present, neutral grounding by distribution transformer or resonant.
对于中性点不直接接地的发电机,由于三相对地电容值存在差异,中性点与地之间存在一定电压。
Due to three-phase capacitance to ground, certain voltage exists between the neutral and the ground for a generator with ungrounded neutral.
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。
Generator neutral ground methods include non-ground, low impedance ground, high impedance ground and arc-suppression coil ground.
禁止任一变压器中性点或发电机始点处直接接地。
No direct connection from either transformer neutral points or generator star points to earth is permitted.
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。
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-extinguishing coil 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。
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-extinguishing coil grounding.
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