Research on Influence of Charge Quantity of Particles on Contamination Accumulation Characteristics

2018 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP) Pub Date : 2018-10-01 DOI:10.1109/CEIDP.2018.8544798

Liao Yifan, L. Mingzhe, C. Bin, M. Hongwei, W. Liming

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Abstract

As the charged particles are subjected to electric force, the electric field has a significant influence on the contamination characteristics of insulator. The electric field force is related to the electric field intensity and the charge quantity of particles. In order to study the influence of charge quantity of particles on contamination accumulation characteristics, the artificial contamination accumulation test on glass specimen under uniform electric field was designed and carried out. The grounded metal nets with different hole apertures were used to filter the particles that were blown to the chamber, so as to get the particles with different charge quantity approximately. Test results are shown as follows: Under AC electric field, the amount of contamination accumulated on the surface of specimen is decreased with the increase of the charge quantity of particles. Under DC electric field, the amount of contamination accumulated on the surface of specimen is increased with the increase of the charge quantity of particles, and was increased first and then decreased with the increase of electric field intensity. The critical electric intensity is 1. SkV/cm under both positive and negative electric field.

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颗粒电荷量对污染累积特性影响的研究

由于带电粒子受到电场的作用，电场对绝缘子的污染特性有重要影响。电场力与电场强度和粒子的电荷量有关。为了研究微粒的电荷量对污染积聚特性的影响，设计并进行了均匀电场条件下玻璃试样的人工污染积聚试验。采用不同孔径的接地金属网对吹入腔室的颗粒进行过滤，近似得到不同电荷量的颗粒。试验结果表明:在交流电场作用下，随着颗粒电荷量的增加，试样表面积聚的污染量减小。在直流电场作用下，试样表面累积的污染量随颗粒电荷量的增加而增加，随电场强度的增加先增加后降低。临界电强度为1。正、负电场作用下的SkV/cm。

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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2018 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)

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