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雷电入侵后轨道电路传输特性的建模与分析

, PP. 115-120

Keywords: 轨道电路,雷电过电压,传输方程,道床电阻

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Abstract:

为了分析雷电过电压在钢轨上的传输情况,通过计算不同途径雷电入侵轨道电路产生的过电压,建立调整态下雷电流在轨道电路上传输时的方程,在不同的轨道电路电气参数条件下,通过算例仿真分析了受电端轨面雷电过电压的变化情况。仿真结果表明:雷电直击钢轨产生的雷电过电压对轨道电路的影响最大;且轨道电路传输距离的增大使得接收端轨面雷电过电压减小,道床电阻的减小使得接收端轨面雷电过电压减小。

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