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首页> 外文期刊>Compel >Voltage distribution along a long ceramic insulator string in a high-voltage tower window
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Voltage distribution along a long ceramic insulator string in a high-voltage tower window

机译：高压塔窗中沿长绝缘子串的电压分布

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摘要

Purpose - The purpose of this paper is to introduce an efficient model for analysis of the voltage distribution along the long ceramic insulator strings in a high-voltage tower window, especially when the structure and parameters of the ceramic insulator are unknown. The effect of the grading ring on the voltage distribution is also investigated.rnDesign/methodology/approach - A circuit model composed of capacitors is used to analyze the voltage distribution along the ceramic insulator strings in a transmission tower window. The capacitances of the disk insulators, line conductors, and tower are obtained by using the finite element method, charge simulation method, boundary element method, and measurement according to their characteristics.rnFindings - The model is very efficient. The voltage distribution along insulator strings can be optimized by adjusting the parameters of the grading ring. The maximum amount of voltage applied to a single insulator disk can be reduced effectively by increasing either the diameter of the grading ring or the distance from the upper surface of the grading ring to the high-voltage end of the insulator string. Originality/value - The model is very efficient for analysis of the voltage distribution along the long ceramic insulator strings, especially when the structure and parameters of the ceramic insulator are unknown.
机译：目的-本文的目的是介绍一个有效的模型，用于分析高压塔窗中长陶瓷绝缘子串上的电压分布，尤其是当陶瓷绝缘子的结构和参数未知时。设计/方法/方法-由电容器组成的电路模型用于分析输电铁塔窗口中沿陶瓷绝缘子串的电压分布。通过使用有限元法，电荷模拟法，边界元法以及根据它们的特性进行测量，可以得出磁盘绝缘子，线路导体和塔架的电容。rn发现-该模型非常有效。可以通过调整分级环的参数来优化沿绝缘子线的电压分布。通过增加分级环的直径或从分级环的上表面到绝缘子串的高压端的距离，可以有效地减小施加到单个绝缘盘上的最大电压量。独创性/值-该模型对于分析长的陶瓷绝缘子串上的电压分布非常有效，尤其是当陶瓷绝缘子的结构和参数未知时。

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  • 来源
    《Compel》 |2010年第3期|P.811-823|共13页
  • 作者

    Bo Zhang; Jinliang He; Rong Zeng; Xidong Liang;

  • 作者单位

    State Key Laboratory of Power System, Electrical Engineering Department,Tsinghua University, Beijing, China;

    Highvoltage Lab., Electrical Engineering Department,Tsinghua University, Beijing, China;

    Highvoltage Lab., Electrical Engineering Department,Tsinghua University, Beijing, China;

    Highvoltage Lab., Electrical Engineering Department,Tsinghua University, Beijing, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    boundary-elements methods; circuit theory; electrical insulation devices; voltage; electric field effects;

    机译：边界元素法;电路理论电绝缘装置;电压;电场效应;

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