| 长治地区配电网中性点接地方式及其运行分析 |
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| 引用本文： | 贾蕾.长治地区配电网中性点接地方式及其运行分析[J].山西电力,2008(3):12-14. |
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| 作者姓名： | 贾蕾 |
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| 作者单位： | 长治供电分公司,山西,长治,046011 |
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| 摘 要： | 介绍了长治地区电网配电网中性点接地方式现状。针对城市大量电力电缆投入使用引起的系统电容电流剧增,提出工程应用中具体问题的解决方法。讨论了消弧线圈在变电站设计、改造中容量的选取、接地变压器选型、运行维护注意事项等实际问题。
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| 关 键 词： | 中性点接地方式 消弧线圈 电容电流 脱谐度 接地运行时间 |
Operation Analysis and Neutral Point Grounding of Changzhi Distribution Network |
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| JIA Lei.Operation Analysis and Neutral Point Grounding of Changzhi Distribution Network[J].Shanxi Electric Power,2008(3):12-14. |
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| Authors: | JIA Lei |
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| Affiliation: | JIA Lei (Changzhi Power Supply Company, Changzhi, Shanxi 046011, China) |
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| Abstract: | Current status of neutral point grounding of Changzhi distribution network is introduced.As to the huge increase of capacitance current caused by large electric power cables being imputed,specific solutions in engineering application are proposed.Besides,actual problems in arc suppression coil in electric substation design,selection of reformed capability and grounding transformer,and matters in grounding transformer operation and maintenance are put forward. |
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| Keywords: | neutral point grounding arc-suppression coil capacitance current self-tracking compensation grounding operation time |
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