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采用有限差分求解高压直流输电线路空间离子流场的新方法

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Keywords: 高压直流输电线路,空间离子流场,合成电场,有限差分

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Abstract:

针对高压/特高压直流输电线路空间离子流场及合成电场进行计算,基于P.SarmaMaruvada等人提出的沿电力线弧长坐标求解空间离子浓度的模型,建立变系数微分方程组及其边界条件。对于微分方程组的求解,提出采用有限差分方法,将原微分方程组转化为非线性代数方程组进行求解。该方法降低了方程求解难度,提高了计算速度,并适用于单极性和双极性空间离子流场的求解。

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