Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Zinc Oxide Varistors with Praseodymium Oxide

Praseodymium계 ZnO 바리스터의 제조 및 미세구조 연구

  • Soh, J.J. (Div. of Electric Materials, Korea Electrotechnology Research Institute) ;
  • Han, S.W. (Div. of Electric Materials, Korea Electrotechnology Research Institute) ;
  • Kim, H.S. (Div. of Electric Materials, Korea Electrotechnology Research Institute) ;
  • Cho, H.G. (Div. of Electric Materials, Korea Electrotechnology Research Institute) ;
  • Kim, I.S. (Div. of Electric Materials, Korea Electrotechnology Research Institute)
  • 소진중 (한국전기연구소 전기재료연구부 애자피뢰기연구팀) ;
  • 한세원 (한국전기연구소 전기재료연구부 애자피뢰기연구팀) ;
  • 김형식 (한국전기연구소 전기재료연구부 애자피뢰기연구팀) ;
  • 조한구 (한국전기연구소 전기재료연구부 애자피뢰기연구팀) ;
  • 김인성 (한국전기연구소 전기재료연구부 애자피뢰기연구팀)
  • Published : 1997.07.21
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Abstract

Zinc oxide varistors which contain rare earth metal oxides have been developed. These Varistors are widely used for low voltage surge-protection devices and high voltage arresters for electric power stations. The characteristics of varistors with praseodymium oxide as a principal additive are discussed. A two-phase microstructure with an intergranular phase between the ZnO grains.

Keywords