地下通信电缆外套金属管道与附近铺设屏蔽线屏蔽效果的比较PIPELINE TO ITS INTERNAL COMMUNICATION CABLES AND METALLIC MITIGATION LINE TO ITS NEARBY UNDERGROUND COMMUNICATION CABLES
邹军,袁建生,周宇坤,马信山
摘要(Abstract):
提出了一种同时考虑感性耦合和阻性耦合时的地下导体电磁屏蔽的计算模型 ,利用该模型进行了地下金属管道对其内通信电缆和屏蔽线对其附近通信电缆的电磁屏蔽计算。计算结果表明 ,仅从感性耦合的屏蔽效果考虑 ,则金属管道和屏蔽线对地下通信电缆屏蔽保护效果基本相同 ;从阻性耦合影响和对防雷影响的屏蔽效果考虑 ,则套装金属管道的效果要优于敷设屏蔽线
关键词(KeyWords): 电力线路;电磁屏蔽;地下通信电缆
基金项目(Foundation): 河北省电力局超高压输配电工程指挥部和清华大学博士论文基金
作者(Author): 邹军,袁建生,周宇坤,马信山
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DOI: 10.13335/j.1000-3673.pst.2000.04.004
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