| 电化区段信号电缆接地与烧损预防措施探讨 |
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| 引用本文： | 李长征. 电化区段信号电缆接地与烧损预防措施探讨[J]. 铁路通信信号工程技术, 2011, 8(4): 67-69. DOI: 10.3969/j.issn.1673-4440.2011.04.021 |
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| 作者姓名： | 李长征 |
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| 作者单位： | 中国铁路通信信号股份有限分司北京工程分公司,北京,100070 |
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| 摘 要： | 近年来铁路先后发生多起信号电缆大面积烧损的事件,究其原因,主要是由于外部磁场的影响较大、电缆的接地方法不合理。对由外部磁场干扰而产生感应电流、电压的原理进行分析,并探讨电缆接地的方法,提出电缆接地的优化方案和防电缆烧损的措施,为工程实施和维护管理提出可行性建议。
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| 关 键 词： | 信号电缆 防范 烧损 单端接地 双端接地 |
Discussion on Signal Cable Earthing and Measures of Preventing Burning in Electric Section |
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| Li Changzheng. Discussion on Signal Cable Earthing and Measures of Preventing Burning in Electric Section[J]. Railway Signalling & Communication Engineering, 2011, 8(4): 67-69. DOI: 10.3969/j.issn.1673-4440.2011.04.021 |
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| Authors: | Li Changzheng |
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| Affiliation: | Li Changzheng |
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| Abstract: | Tens of signal cable burning events happened in recent years due to great influence of external magnetic field and unreasonable earthing methods of cables.This paper mainly analyzes the principles of generating induced current and voltage caused by interruption of external magnetic field,discusses the way of cable earthing,and puts forward the optimizing scheme and the measures of preventing cable burning as a feasible recommendation for project implementation and maintenance management. |
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| Keywords: | signal cable precaution burning out single end earthing double ends earthing |
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