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A Taylor-Series expansion method for the accurate calculation of earth return impedance in buried cables

机译:泰勒级数展开法用于精确计算埋入电缆中的接地电阻

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A Taylor-Series expansion method is proposed in this paper for the accurate and efficient calculation of the earth return impedance in buried cables. To reach this solution, it is used the Wedepohl and Wilcox's transformation for reducing the complexity of Pollaczek's integral. To validate the accuracy of the obtained results, a comparison has been made with the numerical integration method `Gauss/Lobatto' for a broad range of applications. Finally, the criterion of percent relative error is used with contour maps to analyze the convergence and stability for the proposed series expansion method.
机译:本文提出了一种泰勒级数展开方法,用于准确有效地计算埋入电缆中的接地电阻。为了达到此解决方案,它使用Wedepohl和Wilcox的变换来降低Pollaczek积分的复杂性。为了验证所获得结果的准确性,已经对数值积分方法“ Gauss / Lobatto”进行了比较,以用于广泛的应用。最后,将相对误差百分比标准与等高线图一起使用,以分析所提出的级数展开方法的收敛性和稳定性。

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