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자기재/폴리머 계면이 하이브리드 애자의 미세구조, 절연특성과 전계분포에 미치는 영향
조준영,김우석,안호성,안희성,김태완,임윤석,배성환,박찬,Cho, Jun-Young,Kim, Woo-Seok,An, Ho-Sung,An, Hee-Sung,Kim, Tae-wan,Lim, Yun-Seog,Bae, Sung-Hwan,Park, Chan 한국전기전자재료학회 2017 전기전자재료학회논문지 Vol.30 No.9
Hybrid insulators that have the advantages of both porcelain (high mechanical strength and chemical stability) as well as polymer (light weight and high resistance to pollution) insulators, can be used in place of individual porcelain and polymer insulators that are used for both mechanical support as well as electrical insulation of overhead power transmission lines. The most significant feature of hybrid insulators is the presence of porcelain/polymer interfaces where the porcelain and polymer are physically bonded. Individual porcelain and polymer insulators do not have such porcelain/polymer interfaces. Although the interface is expected to affect the mechanical/electrical properties of the hybrid insulator, systematic studies of the adhesion properties at the porcelain/polymer interface and the effect of the interface on the insulation characteristics and electric field distribution of the hybrid insulator have not been reported. In this study, we fabricated small hybrid insulator specimens with various types of interfaces and investigated the effect of the porcelain/polymer interface on the microstructure, insulating characteristics, and electric field distribution of the hybrid insulators. It was observed that the porcelain/polymer interface of the hybrid insulator does not have a significant effect on the insulating characteristics and electric field distribution, and the hybrid insulator can exhibit electrical insulating properties that are similar or superior to those of individual porcelain and polymer insulators.