| 电源系统接地保护的研究 |
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| 引用本文： | 黎风华 童浪涛. 电源系统接地保护的研究[J]. 电工标准与质量, 2002, 17(3): 52-54 |
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| 作者姓名： | 黎风华 童浪涛 |
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| 作者单位： | 湖南岳阳电业局 湖南岳阳414000(黎风华)，湖南岳阳电业局 湖南岳阳414000(童浪涛) |
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| 摘 要： | 介绍了利用不平衡电桥实施直流电源系统在线绝缘监测的原理，给出了直流电源系统故障地电阻阻值及部位比例的原理计算公式，作为应用，讨论了无死区的发电机转子接地保护的方案，最后，探讨了应用不平衡电桥原理进行多分支直源系统或交流电源系统绝缘监测的可行性。
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| 关 键 词： | 电源系统 接地保护 发电机 在线绝缘监测 不平衡电桥原理 转子 绝缘电阻 |
Study of Grounding Protection of Power Supply Systems |
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| LI Feng hua,TONG Lang tao. Study of Grounding Protection of Power Supply Systems[J]. Journal of Changsha University of Electric Power(Natural Science Edition), 2002, 17(3): 52-54 |
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| Authors: | LI Feng hua TONG Lang tao |
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| Abstract: | The theories of isolation inspecting in power supply systems are expounded.The calculating formulas of fault grounding resistance and grounding location in DC power supply systems are presented.As an application,the whole area grounding protection scheme of excitation loop related to generator rotator is discussed.At last the isolation inspecting applications of unbalanced electronic bridge theory to AC power supply systems or multi branched DC power supply systems are extended. |
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| Keywords: | power supply generator isolation grounding monitor protection |
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