한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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온도변화에 따른 에폭시 복합체의 유전특성에 관한 연구

A Study on the Dielectric Properties of Epoxy Composites due to Temperature Variation

  • 김상걸 (광운대학교 전기공학과) ;
  • 송봉철 (광운대학교 전기공학과) ;
  • 정동회 (광운대학교 전기공학과) ;
  • 이호식 (홍익대학교 전기공학과) ;
  • 이원재 (경원전문대학교 전자과) ;
  • 이준웅 (한국전기전자재료학회장)
  • 발행 : 2000.07.01
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초록

In this paper, the dielectric properties of epoxy composites used for transformers are studied. The dielectric permittivity and loss of specimen are measured at the temperature range of 20[$^{\circ}C$]~150[$^{\circ}C$] about frequency 30[Hz], 1[kHZ] and 30[kHz] respectively from a series of experiments. Consequently, observed higher values of dielectric permittivity and loss in filled epoxy are attributed to Maxwell-Wagner Polarization effect. Also, glass transition temperature was shifted to higher temperature and value of dielectric permittivity and loss were decreased due to 2nd curing.

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