中国南方电网 关键词： 高压直流输电系统；大地回流环路；变压器中性点；变压器保护 [gap=692]Keywords: HVDC system; ground-return link; transformer neutral point; transformer protection
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main transformer neutral point 主变中性点
protection of transformer neutral point 中性点保护
transformer neutral-point protection gap 变压器中性点保护间隙
transformer neutral point resistance cubicle 变压器中性点电阻柜
neutral point transformer [电] 中性点变压器
neutral-point transformer 中性点变压器
transformer s neutral point 变压器中性点
transformer ' s neutral point 变压器中性点
neutral point of transformer 变压器中性点
In this paper, the current-current neutral grounding transformer neutral point commonly used to protect the way of protection was discussed;
本文主要对目前大电流中性点接地变压器中性点保护普遍采用的保护方式进行了探讨；
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.
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。
In this paper a connection scheme is proposed of which a neutral point is drawned from the balance transformer, and its electromagnetism principle is also analysed.
本文提出了这种变压器引出中性点的接线方案，并分析了其电磁变换的基本原理。
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