Understanding the Percolation Characteristics of Nonlinear Composite Dielectrics.

ABSTRACT: Nonlinear composite dielectrics can function as smart materials for stress control and field grading in all fields of electrical insulations. The percolation process is a significant issue of composite dielectrics. However, the classic percolation theory mainly deals with traditional composites in which the electrical parameters of both insulation matrix and conducting fillers are independent of the applied electric field. This paper measured the nonlinear V-I characteristics of ZnO microvaristors/silicone rubber composites with several filler concentrations around an estimated percolation threshold. For the comparison with the experiment, a new microstructural model is proposed to simulate the nonlinear conducting behavior of the composite dielectrics modified by metal oxide fillers, whic

SUBMITTER: Yang X 

PROVIDER: S-EPMC4967925 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature