Journal of the Institute of Electronics Engineers of Korea SC (전자공학회논문지SC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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A High Frequency Complex Modulation Method of the Electronic Ballast for Metal Halide Lamps

메탈 할라이드 램프용 전자식 안정기의 고주파 복합 변조법

  • Published : 2003.05.01
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Abstract

This paper presents an electronic ballast using a novel complex modulation method for the metal halide lamp. The proposed modulation method, which has a modulating signal of swept complex frequency, can eliminate the acoustic resonance more effectively than the conventional modulation method, which has a modulating signal of constant frequency. For the purpose of future application specific integrated circuits (ASIC). the controller of the proposed ballast has been designed only with erasable programmable logic devices (EPLDs), but without a microprocessor. In this paper, detailed proposed modulation schemes are described and experimental results on the proto type 150W metal halide lamp ballast with the proposed modulation method ate discussed.

본 논문은 새로운 복합 변조방식에 의해 구동되는 메탈 할라이드 램프용 고주파 전자식 안정기에 관한 것이다. 제안하는 변조방법의 경우, 변조신호가 스위프되는 복합 주파수를 갖기 때문에, 일정한 주파수의 변조신호를 갖는 통상의 변조방법 보다 더욱 효과적으로 공명현상을 회피할 수 있다 차후 ASIC을 목적으로, 제안하는 안정기의 제어기는 마이크로프로세서를 사용하지 않고 EPLD만을 사용하여 설계하였다. 본 논문에서는 제안하는 변조방법의 구체적 알고리즘 및 제안하는 변조방법을 적용한 제어기프로토타입의 150 W 메탈할라이드 램프용 안정기로 수행된 실험결과를 기술하였다.

Keywords

References

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