NDLI: Effects of second particles on nonlinear resistance properties of microvaristor-filled composites

Content Provider	IEEE Xplore Digital Library
Author	Matsuzaki, H. Nakano, T. Ando, H.
Copyright Year	2012
Description	Author affiliation: Power and Industrial Systems R&D Center, Toshiba Corporation 2-1, Ukishima-cho, Kawasaki-ku, Kawasaki, Kanagawa, 210-0862, Japan (Matsuzaki, H.; Nakano, T.; Ando, H.)
Abstract	Microvaristors are used particularly as lightning arrestors. In addition, they are used as electric field grading materials and stress control devices to reduce the localization of electric fields in various electric equipment. Nonlinear resistance properties are generally attributed to the high-loading of microvaristor fillers in the resin. However, high-loading is prone to cause aggregation and sedimentation of microvaristor fillers in the resin. This tendency adversely affects nonlinear resistance properties based on microvaristor fillers. Therefore, secondary particles should be provided as a disperser and then these particles can help the microvaristor to disperse homogeneously. In addition, the secondary particles can act as conducting paths between microvaristor particles. In recent research, we developed an effective way to improve the nonlinear resistance properties of a microvaristor-filled composite material. In the method, we focused on the adding of the semi-conductive whiskers as secondary particles to the resin. We chose the candidates of the second particles based on the shapes and the electrical properties. We finally determined the semi-conductive whiskers with the tetrapod-like shape. The effects of secondary particles on the nonlinear resistance properties of microvaristor-filled materials are investigated in this paper.
Starting Page	183
Ending Page	186
File Size	708080
Page Count	4
File Format	PDF
ISBN	9781467312530
ISSN	00849162
e-ISBN	9781467312523
e-ISBN	9781467312516
DOI	10.1109/CEIDP.2012.6378751
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resistance Materials Coatings Electric fields Gas insulation Scanning electron microscopy Surface treatment
Content Type	Text
Resource Type	Article

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