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电网技术  2010 

有限长交流线路的无线电干扰计算方法

, PP. 190-193

Keywords: 无线电干扰,激发函数法,贝瑞隆法,传输线,变电站

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Abstract:

针对末端接负载的高压交流线路,提出了一种有限长线路的无线电干扰计算方法。该方法将激发函数法与贝瑞隆法相结合,能够得到电晕电流经过折反射后的电流元的分布,再对电流元产生的场强进行叠加得到无线电干扰。并以变电站附近线路为例,比较了有限长与无限长导线的电晕电流分布特性,证明了末端阻抗、起晕点位置均是影响有限长线路无线电干扰水平的重要因素。

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