펄스파워용 고전압 고에너지밀도 커패시터 개발

Development of High Voltage and High Energy Density Capacitor for Pulsed Power Application

  • 이병윤 (한국전기연구원 신전력기기그룹) ;
  • 정진교 (한국전기연구원 신전력기기그룹) ;
  • 이우영 (한국전기연구원 신전력기기그룹) ;
  • 박경엽 (한국전기연구원 신전력기기그룹) ;
  • 이수휘 (삼화콘덴서 R&D Center 연구2팀) ;
  • 김영광 (삼화콘덴서 R&D Center 연구3팀)
  • 발행 : 2003.05.01

초록

This paper describes high voltage and high energy density capacitor developed for pulsed power applications. The rated voltage of the developed capacitor is DC 22 [kV], the capacitance is 206 [$\mu$F] and the energy density is about 0.7 [kJ/kg]. Polypropylene film and kraft paper were used as the dielectrics. The ratio of the thickness of each dielectric material which consists of the composite dielectric structure, stacking factor and the termination method were determined by the charging and discharging tests on model capacitors. In terms of energy density, the developed capacitor has higher energy density compared with the products of foreign leading companies. In addition, it has been proved that the life expectancy can be more over 2000 shots through the charging and discharging test. The voltage reversal factor was 20%. This capacitor can be used as numerous discharge applications such as military, medical, industrial fields.

키워드

참고문헌

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