空气中微秒脉冲沿面放电对环氧树脂表面特性影响研究

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Abstract In order to study the surface flashover on epoxy resin (EP) under atmospheric pressure,the surface flashover characteristics are experimented before and after discharges,which was driven by repeated microsecond pulses to cause discharge aging.All EP surface discharge aging experiments are done by an 18 kV pulsed voltage with 100 Hz frequency and 10 mm gap distance.All the surface roughness,water contact angle,morphology of EP surface characteristics are measured after different aging times.It shows that a large number of protruding particles can be found on the PE surface after discharge,which indicates that the surface discharges make the PE surface become porous and hydrophilic.Through the flashover experiments on the aged EP,it is found that the flashover voltage decreased and then increased with time.These experimental results can provide some reference to study the EP surface flashover.

Key words： Surface flashover discharge aging epoxy resin microsecond pulse surface characteristic

Received: 20 January 2015 Published: 14 September 2015

PACS:	TM89
	TM315

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	Articles by authors
	Liu Xiong
	Lin Haidan
	Liang Yiming
	Zhang Cheng
	Xie Qing
	Shao Tao

Cite this article:

Liu Xiong,Lin Haidan,Liang Yiming等. Effect of Atmospheric-pressure Microsecond Pulsed Discharges on Epoxy Resin Surface[J]. Transactions of China Electrotechnical Society, 2015, 30(13): 158-165.

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https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2015/V30/I13/158

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