双极电离场的通用有限元分析

Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting Pub Date : 1993-10-02 DOI:10.1109/IAS.1993.299090

M. Abdel-Salam, Z. Al-Hamouz

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引用次数: 4

摘要

本文提出了一种新的分析高压直流输电线路中双极电离场的迭代方法，该方法无需Deutsch假设。采用有限元技术求解泊松方程，其中导体表面场在电晕起始值处的常数直接体现在有限元公式中。该方法已在实验室和全尺寸模型上进行了测试。计算的V-I特性与之前的计算和测量结果吻合较好。讨论了电晕电流及其单极和双极分量与导体高度的关系。计算机编程的简单性以及实现收敛所需的低迭代次数是所提出的分析方法的特点。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A universal finite-element analysis of the bipolar ionized field

A novel iterative method for the analysis of the bipolar ionized field in HVDC (high-voltage direct-current) transmission lines without resort to Deutsch's assumption is described. The finite-element technique is used to solve Poisson's equation where the constancy of the conductor's surface field at the corona inception value is directly implemented in the finite-element formulation. The proposed method has been tested on laboratory and full-scale models. The calculated V-I characteristics agreed well with those calculated and measured before. The dependency of the corona current as well as its monopolar and bipolar components on the conductors' height is discussed. The simplicity in the computer programming in addition to the low number of iterations required to achieve convergence characterize the proposed method of analysis.<>

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Conference Record of the 1993 IEEE Industry Applications Conference Twenty-Eighth IAS Annual Meeting

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