The influences of vertical grounding electrodes on grounding resistance, step and touch voltages were analyzed numerically.

采用数值计算方法分析了垂直接地极对接地系统的接地电阻 、 接触电压及跨步电压等的影响.

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Grounding resistance of catenary pillar has the most important effect on lightning withstand level of catenary.

同时,接触网支柱的接地电阻对接触网的耐雷水平影响较大.

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