基于分形理论的真空灭流器接触面微观电场研究

2016 27th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV) Pub Date : 2016-09-01 DOI:10.1109/DEIV.2016.7748667

Yingyao Zhang, Yuhao Fang, Lijun Jin, Yewen Zhang

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引用次数: 2

摘要

本文的目的是基于分形理论，在考虑接触表面粗糙度的情况下，研究真空灭流器接触表面的微观电场。首先，介绍了分形理论在真空击穿研究中的应用。采用W-M分形函数对接触表面粗糙度分别为1.6 um和3.2 um的微突进行建模。然后，模拟了接触间隙内的电场分布。考虑到计算时间和计算精度，采用多区域网格生成来提高仿真精度。研究结果可为研究真空击穿现象提供一些有用的信息。

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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Study of microscopic electric field on contact surface in vacuum interrupters based on fractal theory

The objective of this paper is to study the microscopic electric field on contact surface in vacuum interrupters based on fractal theory, with considering the contact surface roughness. Firstly, the fractal theory is introduced into the application of vacuum breakdown studies. The micro-protrusion on the contact surface is modelled based on the W-M fractal function, with the different contact surface roughness 1.6 um and 3.2 um. Then, the electric field distribution in the contact gap is simulated. With considering the amount of calculation time and the accuracy of calculation, multi-zone mesh generation is used to improve the accuracy of the simulation. The results can provide some useful information to study vacuum breakdown phenomena.

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2016 27th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV)

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