| 工程接地之“灰色区域” |
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| 引用本文： | 李荣茂.工程接地之“灰色区域”[J].建筑电气,2009,28(2):17-19. |
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| 作者姓名： | 李荣茂 |
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| 作者单位： | 中船第九设计研究院工程有限公司,上海市,200063 |
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| 摘 要： | 目前国内有关接地的技术规范没有统一的做法，而国外也存在不按照IEC标准实施的情况。本文结合国内外相关规范、标准，例举了一些工程实例，分析阐述了工程接地中似是而非。似错非错的做法。
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| 关 键 词： | TT系统 重复接地 一点接地 共用接地装置 第四极属性 |
Gray Area in Engineering Earthing |
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| Li Rongmao.Gray Area in Engineering Earthing[J].Building Electricity,2009,28(2):17-19. |
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| Authors: | Li Rongmao |
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| Affiliation: | Li Rongmao (China Shipbuilding NDRI Engineering Co., Ltd., Shanghai 200063, China) |
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| Abstract: | At present the technical codes about earthing are uniform in China and the technical codes about earthing in some foreign countries do not implement according to IEC standards. Combined with relevant examples codes and standards, some engineering are given and some specious operating methods in engineering earthing are analyzed and expatiated. |
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| Keywords: | TT system Iterative earthing Onepoint earthing Common earthing device Attribute ofthe 4th pole |
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