Abstract
The non-linear electrical conduction property of /spl beta/-SiC micro-powder/epoxy ester lacquer composite was investigated. The /spl beta/-SiC micro-powder was synthesized under different temperature and has different particle size. Experiment shows that the non-linear electrical conduction becomes greater by increasing the /spl beta/-SiC powder particle size or synthesizing temperature. Under the same particle size conditions, the non-linear electrical conduction coefficient /spl beta/ and corona voltage rising with the /spl beta/-SiC content increased. The /spl beta/-SiC micro-powder is used to regulate the non-linear electrical conduction property of /spl alpha/-SiC, showing that it is possible to replace /spl alpha/-SiC with /spl beta/-SiC for anti-corona material to increase greatly the anti-corona property.
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