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Effect of electromagnetic field of overhead transmission lines on the metallic gas pipe-lines

机译：架空输电线路的电磁场对金属燃气管道的影响

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This paper presents a study of the overhead transmission lines (OHTLs) electromagnetic fields effects on the metallic gas pipelines. The inductive and conductive voltages between the overhead transmission line and metallic gas pipelines, in normal operation and under phase to ground fault condition of the overhead transmission lines, are calculated. ATP software is used to simulate the OHTL under faulty condition. MATLAB program is used to calculate the induced voltages taking into account the effects of various parameters, such as: separation distance between the OHTL and the metallic gas pipelines, case of transmission line (phase to ground fault condition or normal operating condition), the screening factor and the soil resistivity on the magnitude of the induced voltage along the length of the metallic gas pipeline. The method used to calculate the induced voltage by inductive is based on the well known method "distributed source analysts". Case study, to measure the induced voltage on the metallic gas pipelines from OHTL under normal operating condition, is presented. The comparison between the measured and calculated results shows a good agreement between them.
机译：本文介绍了架空传输线（OHTL）电磁场对金属气体管道的影响的研究。计算出架空输电线路和金属气体管道之间在正常操作下以及在架空输电线路的相接地故障条件下的感应和传导电压。 ATP软件用于在故障情况下模拟OHTL。考虑到各种参数的影响，使用MATLAB程序来计算感应电压，例如：OHTL与金属气体管道之间的分隔距离，传输线的情况（相接地故障状态或正常运行状态），屏蔽系数和土壤电阻率对沿金属气体管道长度的感应电压大小的影响。通过电感来计算感应电压的方法是基于众所周知的“分布式电源分析器”方法。提出了案例研究，以测量正常运行条件下OHTL在金属气体管道上的感应电压。测量结果和计算结果之间的比较表明它们之间有很好的一致性。

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