Novel Ignition Method for Automotive HID lamp Ballast System

자동차 헤드라이트용 고압방전등 안정기 시스템의 새로운 점등방식

  • 김윤호 (중앙대학 전자전기학과부) ;
  • 엄태욱 (중앙대학 전기학과) ;
  • 이재학 (순천청암대학 디지털전기통신과)
  • Published : 2006.04.01

Abstract

This paper presents novel ignition method for automotive 35W metal halide discharge lamp electronic ballast. At this study, the novel method of ignition is developed to reduce costs and size of the ballast. By use of the novel method, the voltage needed in ignition is decreased, which result in use of the lower voltage rating power devices compared with conventional method and product compactness was achieved by deleting a circuit generating negative voltage needed in ignition at an conventional circuit. In terms of luminosity, color rendering, light efficiency(lm/W) and lifespan, the metal halide lamp is superior to, but unlike halogen lamp, it have more complicated transient characteristics to reach its steady state than the conventional halogen lamp. Therefore, in this paper, the electronic ballast was designed such that the metal halide lamp could be optimized for the automotive, by applying a method of microcontroller-based digital control. The results of the proposed system is verified through various experiment results.

Keywords

References

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