Journal of the Korean Institute of Illuminating and Electrical Installation Engineers (조명전기설비학회논문지)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Implementation of a High-Power-Factor Single-Stage Electronic Ballast for fluorescent lamps

단일전럭단을 갖는 고역율 형광등용 전자식 안정기 구현

  • 서철식 (구미1대학 컴퓨터정보기술계열 인터넷 전자정보전공) ;
  • 박재욱 (영남대 공대 전기공학과, 영진전문대학 전자정보계열) ;
  • 김해준 (영남대 공대 전기공학과) ;
  • 김동희 (영남대 공대 전자ㆍ정보공학부)
  • Published : 2003.01.01
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Abstract

In this paper, prototype of high-power-factor single-stage electronic ballast for fluorescent lamp is designed and implemented. A new low cost single stage high power factor electronic ballast for fluorescent lamps is based on integration of two-boost converter and LC type high frequency resonant inverter. The proposed ballast is combined by simple construction, because full bridge rectifier diode is eliminated and simple control circuit is applied. Boost converter operate in the voltage of positive and negative half cycle respectively at line frequency (60㎐), operation in discontinuous conduction mode performs high power factor. The experimental results show the good performance as PF 0.99, THD 15.4%, and CF 1.65 at output 63.5〔W〕.

본 논문에서는 고역률의 단일전력단을 갖는 형광등용 전자식 안정기를 제안하고 설계ㆍ제작하였다. 저가의 새로운 형태를 갖는 고역률 단일전력단 형광등용 전자식 안정기는 부스터 컨버터와U형 고주파 공진 인버터로 구성되어진다. 그러나, 기존의 안정기와는 달리 제안된 안정기는 브리지 다이오드를 제거하고 간단한 제어회로로 구성함으로 간단한 구조를 갖는다. 부스터 컨버터는 상용전원의 정(＋), 부(－)전압에서 각각 동작하고 불연속 모드에서 동작함으로 높은 역률을 얻을 수 있다. 63.5〔W〕의 출력을 갖는 안정기를 제작하여 실험한 결과, PF 0.99, THD 15.4%, CF 1.55의 우수한 결과를 얻을 수 있었다.

Keywords

References

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