| NEC高阻接地方式在低压系统中的应用 |
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| 引用本文： | 吴南. NEC高阻接地方式在低压系统中的应用[J]. 医药工程设计, 2010, 31(6): 45-48 |
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| 作者姓名： | 吴南 |
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| 作者单位： | 中国石化集团上海工程有限公司,上海,200120 |
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| 摘 要： | 简要分析了某海外化工项目供配电系统各电压等级的接地方式,重点介绍了低压系统中高阻接地方式的应用,将高阻接地方式与国内常用的直接接地方式与不接地方式进行对比,概括了高阻接地方式的优缺点,为今后工作的开展提供一定的技术经验。
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| 关 键 词： | 60Hz系统 NEC 接地方式 高阻接地 高阻接地中性点系统 |
Application of NEC High Resistance Grounding in Low Voltage System |
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| Wu Nan. Application of NEC High Resistance Grounding in Low Voltage System[J]. Pharmaceutical Engineering Design, 2010, 31(6): 45-48 |
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| Authors: | Wu Nan |
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| Affiliation: | Wu Nan(SINOPEC Shanghai Engineering Co.,Ltd Shanghai,200120) |
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| Abstract: | The grounding types used in power supply system with different voltages in one oversea chemical project was analyzed.The application of high impedance grounded neural system used in low voltage system was emphatically introduced.The comparison of high impedance grounding,direct grounding and non-grounding was carried out,and the advantage and disadvantage of high impedance grounding were summarized,which can be referenced in engineering later. |
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| Keywords: | 60 Hz system NEC grounding type high impedance grounding high impedance grounded neural system |
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