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Nano-silicon carbide/silicone rubber composites with nonlinear conductivity characteristics have been made by mixing nano-sized silicon carbide (SiC) into silicone rubber. In this paper, the nonlinear conductivity characteristics of composites made by mixing 5 wt%, 15 wt%, 30 wt% and 45 wt% of nano-SiC and silicone rubber are investigated. The relationship between conductivity and electric field strength is obtained by experiments. Nonlinear conductivity mechanisms of the composites are analyzed, and their breakdown properties and dielectric spectröscopy characteristics of composites are studied. In order to know the effect of nonlinear SiC/silicone rubber composites on homogenizing electric field, the electric ströss distribution of cables termination and composite insulators are simulated by the COMSOL Multiphysics software. Results show that the maximum electric field strength at cable termination and the end of the composite insulators decreases efficiently when the nano-SiC/silicone rubber composites are used.
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Keywords:
- nano-SiC/silicone rubber composites /
- nonlinear conductivity characteristics /
- electric field simulation
[1] Lewis T J 1994 IEEE Trans. on DEI. 1 812
[2] Frechette M F, Trudeau M, Alamdari H D, Boily S 2001 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Kitchener, Ontario, Canada, October 14-17, 2001 p92
[3] Nelson J K, Fothergill J C, Dissado L A, Peasgood W 2002 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Cancun, Quintana Roo, Mexico, October 20-24, 2002 p295
[4] Nelson J K, Fothergil J C 2004 Nanotechnology 15 586
[5] Irwin P C, Cao Y, bansal A, Schadler L S 2003 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Albuquerque, NM, USA, October 19-22, 2003 p120
[6] Castellon J, Nguyen H N, Agnel S, Toureille A, Frechette M, Savoie S, Krivda A, Schmidt L E 2011 IEEE Trans. on DEI 18 651
[7] Yue L, Wu Y, Sun C, Shi Y, Xiao J, and He S 2013 Chin. Phys. B 22 076103
[8] Wang X, Nelson J K, Schadler L S 2010 IEEE Trans. on DEI 17 1687
[9] Vanga-Bouanga C, Frechette M, David E 2013 IEEE Trans. on DEI 20 1453
[10] Bouanga C V, Savoie S, Frechette M F, Couderc H, David E 2012 Conference Record of the 2012 IEEE International Symposium on Electrical Insulation, San Juan, Puerto Rico June 10-13, 2012 p43
[11] Ma K, Li H, Zhang H, Xu X, Gong M, Yang Z 2009 Chin. Phys. B 18 1942
[12] Guo W M 2010 Ph. D. Dissertation (Harbin: Harbin University of Science and Technology) (in Chinese) [郭文敏 2010 博士学位论文(哈尔滨: 哈尔滨理工大学)]
[13] Jože Furlan 2003 J. Appl. Phys. 94 7604
[14] Mizutani T 2006 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Kansas, MO, USA, October 15-18, 2006 p10
[15] Jing X, Zhao W, Lan L 2000 J. Mater. Sci. Lett. 19 377
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[1] Lewis T J 1994 IEEE Trans. on DEI. 1 812
[2] Frechette M F, Trudeau M, Alamdari H D, Boily S 2001 Annual Report Conference on Electrical Insulation and Dielectric Phenomena Kitchener, Ontario, Canada, October 14-17, 2001 p92
[3] Nelson J K, Fothergill J C, Dissado L A, Peasgood W 2002 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Cancun, Quintana Roo, Mexico, October 20-24, 2002 p295
[4] Nelson J K, Fothergil J C 2004 Nanotechnology 15 586
[5] Irwin P C, Cao Y, bansal A, Schadler L S 2003 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Albuquerque, NM, USA, October 19-22, 2003 p120
[6] Castellon J, Nguyen H N, Agnel S, Toureille A, Frechette M, Savoie S, Krivda A, Schmidt L E 2011 IEEE Trans. on DEI 18 651
[7] Yue L, Wu Y, Sun C, Shi Y, Xiao J, and He S 2013 Chin. Phys. B 22 076103
[8] Wang X, Nelson J K, Schadler L S 2010 IEEE Trans. on DEI 17 1687
[9] Vanga-Bouanga C, Frechette M, David E 2013 IEEE Trans. on DEI 20 1453
[10] Bouanga C V, Savoie S, Frechette M F, Couderc H, David E 2012 Conference Record of the 2012 IEEE International Symposium on Electrical Insulation, San Juan, Puerto Rico June 10-13, 2012 p43
[11] Ma K, Li H, Zhang H, Xu X, Gong M, Yang Z 2009 Chin. Phys. B 18 1942
[12] Guo W M 2010 Ph. D. Dissertation (Harbin: Harbin University of Science and Technology) (in Chinese) [郭文敏 2010 博士学位论文(哈尔滨: 哈尔滨理工大学)]
[13] Jože Furlan 2003 J. Appl. Phys. 94 7604
[14] Mizutani T 2006 Annual Report Conference on Electrical Insulation and Dielectric Phenomena, Kansas, MO, USA, October 15-18, 2006 p10
[15] Jing X, Zhao W, Lan L 2000 J. Mater. Sci. Lett. 19 377
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