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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变压器中性点接地方式 neutral grounding state of transformer
而自耦变压器中性点调压则会带来相关调压问题。
But there is a problem of related voltage change for an autotransformer.
并通过对比,找出井下变压器中性点不允许直接接地的原因。
Through contrast analysis, finds the reason of not allowed direct ground connection for transformer under the shaft.
因此测试区域应包括变压器中性点和避雷器接地引线以及易腐蚀区域。
So the measured region should include the ground leads of transformer and arrester.
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