NDLI: A study of charged droplets on silicone rubber nanocomposite surafce under DC voltage stress

Content Provider	IEEE Xplore Digital Library
Author	Du, B.X. Kai Zhang Jie Li Yong Liu Du, H.H. Zhang, J.W.
Copyright Year	2011
Description	Author affiliation: Dept. of Electr. Eng., Tianjin Univ., Tianjin, China (Du, B.X.; Kai Zhang; Jie Li; Yong Liu; Du, H.H.; Zhang, J.W.)
Abstract	The 800kv dc transmission line is now in experimental operation in china. Recently, polymer nanocomposites have attracted wide interest as a method of enhancing polymer properties, which may apply as insulators in the UHV and EHV transmission line. A number of papers have reported enhanced electrical performance (aging and breakdown) of silicone rubber nanocomposite, but little attention has been focused on charged droplet on nanocomposite surface of silicone rubber under dc voltage stress. In this research, charge quantity of droplet and contact angle of the charged water droplets deposited on the surface of silicone rubber nanocomposite was observed. The samples were made by dispersing nano-scale $SiO_{2}$ powdered in silicone rubber with the weight ratios of 0, 1, 2, 3wt%, and were put under needle electrodes with dc voltage for 5 minutes before the test. Charged water droplets were dropped on the surface, and the surface charge potential was measured. Then the experiment was carried out under dc stress between two plate electrodes. The relationship among the surface charge of sample, the charge quantity of droplet, the contact angle, and the flashover voltage were obtained. The result shows that charge quantity of droplet and surface charge density has significantly effect on contact angle of the droplet and flashover voltage of samples.
Starting Page	470
Ending Page	473
File Size	3835065
Page Count	4
File Format	PDF
ISBN	9784886860743
e-ISBN	9784886860743
DOI	10.1109/ISEIM.2011.6826315
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-06
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	The Institute of Electrical Engineers, Japan
Subject Keyword	Surface discharges Flashover Corona Surface treatment Polymers Electric fields Rubber flashover voltage SiO2 nanocomposite silicone rubber surface charge charged droplet contact angle
Content Type	Text
Resource Type	Article

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