| 单回路高压单芯电缆金属护套感应电压及限制措施 |
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| 引用本文： | 段利辉.单回路高压单芯电缆金属护套感应电压及限制措施[J].石油化工设计,2011(1):17-20,4. |
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| 作者姓名： | 段利辉 |
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| 作者单位： | 中国石化工程建设公司; |
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| 摘 要： | 对110kV单回路高压单芯电缆线路正常工作情况下金属护套产生的感应电压进行计算，并结合110kVXLPE电力电缆工程设计中的典型实例，采取金属护套交叉互联接地方式，将电缆线路全长分成3等分段或3的倍数分段，限制高压单芯电缆护套感应电压，确保电缆的安全运行，减少运行损耗，效果良好。
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| 关 键 词： | 石油化工企业 单回路高压单芯电缆 金属护套感应电压 交叉互联接地 |
INDUCTION VOLTAGE IN METAL SHEATH OF SINGLE-LOOP HIGH-VOLTAGE SINGLE-CORE CABLE AND THE COUNTERMEASURES |
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| Duan Lihui.INDUCTION VOLTAGE IN METAL SHEATH OF SINGLE-LOOP HIGH-VOLTAGE SINGLE-CORE CABLE AND THE COUNTERMEASURES[J].Petrochemical Design,2011(1):17-20,4. |
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| Authors: | Duan Lihui |
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| Affiliation: | Duan Lihui(SINOPEC Engineering Incorporation,Beijing,100101) |
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| Abstract: | This article analyzes the induction voltage in metal sheath of 110kV single-loop high-voltage single-core cable under normal operating conditions, and introduces a typical example in the engineering design of 110kV XLPE power cables.The measure of metal sheath cross-connected grounding can limit the induction voltage in metal sheath of high-voltage single-core cable,so as to ensure the safe operation of the cable,reduce operating loss and achieve good effects. |
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| Keywords: | Petrochemical Enterprises Single-loop high-voltage single-core cable Metal sheath induction voltage Cross-connection grounding |
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