The Property Analysis of Ceramic Metal-Halide Lamp Considering Acoustic Resonance Phenomenon and Design of Inverter by the PSpice Simulation

음향 공명 현상을 고려한 세라믹 메탈핼라이드의 특성 분석과 PSpice 시뮬레이션을 통한 인버터 설계

  • Published : 2009.10.01

Abstract

This study purposes are improvement of system (lamp & ballast) efficacy with and optical characteristics through the developed ceramic arc tube. The designed electronic ballast is substituted for conventional magnetic ballast. These electric signal and optical, thermal characteristics through the improving efficacy of lighting system compared with conventional magnetic ballast. properties of lamp by driving method is researching in ballast. Particularly, electronic ballasts, which improved against weakness of Magnetic Ballast, are researching and applying to control of ceramic metal-halide lamp. but One major limitation is the acoustic resonance problem in CMH lamps at high-frequency operation. In order to avoid acoustic resonance, driving frequency decided 21[kHz]. Before discharge in this paper. The PSpice simulation result obtained sufficient voltage gain and the ignition voltage obtained over 3[kV] at 75[kHz]. After discharge, driving voltage obtained approximately 90[Vrms] at 21[kHz].

Keywords

References

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