Electrical Properties of Functional Composites with Microvaristors and Several Second Fillers

抄録

Reduced dimensions of Gas Insulated Substation (GIS) implies a relatively high electric field in the enclosure. To suppress metallic particles movement in the GIS tank, a nonlinear resistive coating has been developed that contains microvaristor fillers. It is important that understanding the effect of putting several second fillers into the composite. In this paper, the effects to the electrical properties of adding microvaristor / second filler content in the composites were investigated. Additionally, measurement of inner structure in the composite and calculation of the homogeneous dispersion were conducted. Moreover, the relation of experiment results and calculation results were discussed.