Abstract:As trapping sites for surface charges, the surface trap is an important factor affecting the insulation performance of the epoxy-SF6 interface, which is closely related to the microstructure and its evolution. However, existing studies often ignore the effect of the degradation of the epoxy surface on the surface traps and charge accumulation during the long-term service of the insulation system. In this study, the surface physicochemical evolution and its influence on surface traps of a typical epoxy-SF6 insu… Show more
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