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Design Method of Adaptive Ignitor for HID Lamps

HID 램프를 위한 상태 적응형 점화기 설계 방법

  • 조계현 (강원대학교 전기공학과) ;
  • 송명석 (강원대학교 대학원 전기공학과) ;
  • 박종연 (강원대학교 전기전자정보 통신공학부)
  • Published : 2004.05.01

Abstract

The metal halide lamps are now widely used in the application and commercial lighting due to their attracting properties such as good color rendering and high efficiency. But, they have a serious problem of acoustic resonance using high frequency operation and they need a high voltage to ignite. So, they have not been applied to indoors. Over the past few years, a considerable number of studies have been conducted on the electronic ballast with hot restarting and resonance phenomenon. But, Very few attempts have been made at adaptive ignition method according to lamp state. In this paper is proposed electronicballast for metal halide lamps with an igniter for adaptive ignition. The proposed electronic bllast can generate a different ignition voltage according to the arc tube state.

현재까지 HID 램프는 광원이 가진 많은 장점에도 불구하고, 고온 순시 재 점등과 음향 공명 현상으로 인해서 실내 광원으로서의 사용이 제한되어왔다. 하지만 많은 연구를 통해서 램프가 뜨거운 상태에서도 순시 재 점등이 가능한 방법이 제시되어 왔고, 실제로 사용되어지고 있다. 하지만 이러한 방법은 램프 상태와 무관하게 200[kV] 정도의 전압을 램프에 인가하는 방법으로, 일반적으로 램프 수명이 감소하는 특징을 가지고 있다. 그러므로 순시 재 점등과 수명 문제는 중요한 연구대상으로 인식되어왔다. 본 논문에서는 램프가 차가운 상태에 필요한 점화 전압과 램프가 뜨거운 상태에서 점등에 필요한 점화 전압을 발생시키는 독립적인 2개의 점화기를 사용함으로써, 램프 상태에 따라 각기 다른 점화 전압을 램프에 인가하는 방법을 제안하고자 한다.

Keywords

References

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