NDLI: A study on streamer discharge characteristics along contamination insulator surface

Content Provider	IEEE Xplore Digital Library
Author	Wang Liming Zhu Bo Meng Xiaobo Mei Hongwei Guan Zhicheng Chen Changlong
Copyright Year	2013
Description	Author affiliation: Grad. Sch. at Shenzhen, Tsinghua Univ., Shenzhen, China (Wang Liming; Zhu Bo; Meng Xiaobo; Mei Hongwei; Guan Zhicheng; Chen Changlong)
Abstract	During the pollution flashover process, streamer discharge is a very important stage before arc formed. In the paper measured the streamer propagates between two parallel plane electrodes by using three-electrode structure, and compared the characteristics of propagation while contamination with different ESDD and NSDD was brushed on the insulator surface, and simulated the distribution of electric field on insulator surface before and after the contamination was brushed by using Ansoft analysis software. The results showed that: the ESDD(or NSDD) increases, Eth increases first, then remain unchanged. After the applied field is greater than Eth, velocity of different ESDD and NSDD is similar. Through simulation found that the presence of contamination distorts the electric field distribution on insulator surface. The electric field of contamination area was obvious reduced and enhanced on both ends of the area. The change in conductivity of contamination makes the electric field distribution changes, and then causes the differences of the waveforms and field required for stable propagation of streamer.
Sponsorship	IEEE Dielectr. Electr. Insul. Soc.
Starting Page	967
Ending Page	970
File Size	444008
Page Count	4
File Format	PDF
ISBN	9781479925971
DOI	10.1109/CEIDP.2013.6748184
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Insulators Surface contamination Electric fields Electrodes Discharges (electric) Surface waves
Content Type	Text
Resource Type	Article

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