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

The Institute of Electronics and Information Engineers (대한전자공학회)
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(Development of A Digital Controller of The Electronic Ballast using High Frequency Modulation Method for The Metal Halide Lamp)

메탈 할라이드 램프용 고주파 변조 방식 전자식 안정기의 디지털 제어기 개발

  • O, Deok-Jin (Dept. of Electronic Engineering Hanyang University) ;
  • Kim, Hui-Jun (Dept. of Electronic computer Engineering, Hanyang University) ;
  • Jo, Gyu-Min (Dept.of Information Communication, Yuhan College)
  • Published : 2002.05.01
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Abstract

This paper presents a digital controller of the electronic ballast using high frequency modulation method for the metal halide lamp. The proposed controller includes the control algorithm for soft starting, no load protection, over current protection and power control. The proposed digital controller, moreover, has the high frequency modulation scheme and the tracking algorithm to avoid acoustic resonance phenomena. For the math production with the low cost using the ASICs (Application Specific Integrated Circuit), the proposed digital controller has been designed with the FPGAs(Field Programmable Gate array) only, without any microprocessor. In this paper, the detail digital control algorithms are described and the experimental results of prototype 150w metal halide electronic ballast are presented.

본 논문은 메탈 할라이드 램프용 고주파 변조 방식 전자식 안정기의 디지털 제어기에 관한 것이다. 제안한 디지털 제어기에는 소프트 스타팅, 무부하 보호, 과전류 보호, 전력 제어 알고리즘이 포함되어 있다. 또한 제안한 디지털 제어기는 고주파 변조 제어 및 공명 현상회피 알고리즘을 수행한다. ASIC을 이용한 저가 양산을 위하여 제안한 제어기는 마이크로프로세서를 이용하지 않고 단지 FPGA만을 사용하여 설계하였다. 본 논문에서는 구체적인 디지털 제어 알고리즘들을 기술하였으며 프로토 타입의 150w 메탈 할라이드 램프용 전자식 안정기의 실험 결과를 나타내었다.

Keywords

References

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