| 浅议高压变电所屏蔽电缆接地 |
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| 引用本文： | 曾健.浅议高压变电所屏蔽电缆接地[J].电力系统保护与控制,2004,32(13):78-79,81. |
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| 作者姓名： | 曾健 |
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| 作者单位： | 陕西省电力设计院，陕西 西安 710054 |
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| 摘 要： | 高压变电所内屏蔽电缆屏蔽层的正确接地,对降低外部电磁场对微机型二次设备的干扰水平,起着重要作用。该文浅议屏蔽电缆屏蔽层一点、两点接地对电磁场屏蔽的机理,并提出了两点接地时应注意的问题。
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| 关 键 词： | 电磁干扰 单点接地 两点接地 |
| 文章编号： | 1003-4897(2004)13-0078-02 |
Brief discussion on the earthing of shielded cable in HV substation |
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| ZENG Jian.Brief discussion on the earthing of shielded cable in HV substation[J].Power System Protection and Control,2004,32(13):78-79,81. |
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| Authors: | ZENG Jian |
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| Abstract: | The proper earthing of the shielded layer of cable in HV substation plays an important part in reducing electromagnetic interference to the microcomputer-based secondary facilities. This paper makes brief discussion on the mechanism of the electromagnetic field screening by means of single-point and two-point grounding of the shielded layer of cable and proposes some problems that have to be paid attention to in two-point grounding. |
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| Keywords: | electromagnetic interference single-point grounding two-point grounding |
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