Influence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge

A pollution flashover along an insulation surface—a catastrophic accident in electrical power system—threatens the safe and reliable operation of a power grid. Silicone rubber coatings are applied to the surfaces of other insulation materials in order to improve the pollution flashover voltage of th...

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Autores principales:	Xiaobo Meng, Liming Wang, Hongwei Mei, Chuyan Zhang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	surface streamer discharge silicone rubber coating three-electrode arrangement thermally stimulated current method surface properties Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/14fc8fff984b4d598d4b180e0bf3f5c7
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spelling	oai:doaj.org-article:14fc8fff984b4d598d4b180e0bf3f5c72021-11-11T18:47:22ZInfluence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge10.3390/polym132137842073-4360https://doaj.org/article/14fc8fff984b4d598d4b180e0bf3f5c72021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/21/3784https://doaj.org/toc/2073-4360A pollution flashover along an insulation surface—a catastrophic accident in electrical power system—threatens the safe and reliable operation of a power grid. Silicone rubber coatings are applied to the surfaces of other insulation materials in order to improve the pollution flashover voltage of the insulation structure. It is generally believed that the hydrophobicity of the silicone rubber coating is key to blocking the physical process of pollution flashover, which prevents the formation of continuously wet pollution areas. However, it is unclear whether silicone rubber coating can suppress the generation of pre-discharges such as corona discharge and streamer discharge. In this research, the influence of silicone rubber coating on the characteristics of surface streamer discharge was researched in-depth. The streamer ‘stability’ propagation fields of the polymer are lower than that of the polymer with silicone rubber coating. The velocities of the streamer propagation along the polymer are higher than those along the polymer with silicone rubber coating. This indicates that the surface properties of the polymer with the silicone rubber coating are less favorable for streamer propagation than those of the polymer.Xiaobo MengLiming WangHongwei MeiChuyan ZhangMDPI AGarticlesurface streamer dischargesilicone rubber coatingthree-electrode arrangementthermally stimulated current methodsurface propertiesOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3784, p 3784 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	surface streamer discharge silicone rubber coating three-electrode arrangement thermally stimulated current method surface properties Organic chemistry QD241-441
spellingShingle	surface streamer discharge silicone rubber coating three-electrode arrangement thermally stimulated current method surface properties Organic chemistry QD241-441 Xiaobo Meng Liming Wang Hongwei Mei Chuyan Zhang Influence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge
description	A pollution flashover along an insulation surface—a catastrophic accident in electrical power system—threatens the safe and reliable operation of a power grid. Silicone rubber coatings are applied to the surfaces of other insulation materials in order to improve the pollution flashover voltage of the insulation structure. It is generally believed that the hydrophobicity of the silicone rubber coating is key to blocking the physical process of pollution flashover, which prevents the formation of continuously wet pollution areas. However, it is unclear whether silicone rubber coating can suppress the generation of pre-discharges such as corona discharge and streamer discharge. In this research, the influence of silicone rubber coating on the characteristics of surface streamer discharge was researched in-depth. The streamer ‘stability’ propagation fields of the polymer are lower than that of the polymer with silicone rubber coating. The velocities of the streamer propagation along the polymer are higher than those along the polymer with silicone rubber coating. This indicates that the surface properties of the polymer with the silicone rubber coating are less favorable for streamer propagation than those of the polymer.
format	article
author	Xiaobo Meng Liming Wang Hongwei Mei Chuyan Zhang
author_facet	Xiaobo Meng Liming Wang Hongwei Mei Chuyan Zhang
author_sort	Xiaobo Meng
title	Influence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge
title_short	Influence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge
title_full	Influence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge
title_fullStr	Influence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge
title_full_unstemmed	Influence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge
title_sort	influence of silicone rubber coating on the characteristics of surface streamer discharge
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/14fc8fff984b4d598d4b180e0bf3f5c7
work_keys_str_mv	AT xiaobomeng influenceofsiliconerubbercoatingonthecharacteristicsofsurfacestreamerdischarge AT limingwang influenceofsiliconerubbercoatingonthecharacteristicsofsurfacestreamerdischarge AT hongweimei influenceofsiliconerubbercoatingonthecharacteristicsofsurfacestreamerdischarge AT chuyanzhang influenceofsiliconerubbercoatingonthecharacteristicsofsurfacestreamerdischarge
_version_	1718431688141307904

Influence of Silicone Rubber Coating on the Characteristics of Surface Streamer Discharge

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