The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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A Study on the SPWM based Power Conversion Technology of the Three-Phase Photovoltaic Inverter Using DSP

DSP를 이용한 3상 태양광 인버터의 SPWM 전력변환기술에 대한 연구

  • 김효성 (남서울대학교 전자공학과) ;
  • 유호성 (남서울대학교 전자공학과) ;
  • 이유정 (남서울대학교 전자공학과) ;
  • 정훈 (남서울대학교 전자공학과) ;
  • 고윤석 (남서울대학교 전자공학과)
  • Received : 2017.10.27
  • Accepted : 2017.12.15
  • Published : 2017.12.31
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Abstract

In this paper, a three phase inverter control methodology for photovoltaic generation system, which is a renewable energy source, was studied. The voltage source inverter type of the constant voltage supply type was selected as the three phase photovoltaic inverter, and SWPM method was selected as control technique. a small capacity three phase photovoltaic inverter system, which has a DSP with powerful high speed data processing ability as the main controller and a solar controller as current controller to supply a certain amount of current to charge the battery, was made and tested for SPWM function.

본 논문에서는 신재생 에너지원인 태양광 발전을 위한 3상 인버터의 전력변환기술을 연구하였다. 태양광 인버터로는 정전압 공급 방식의 전압형 인버터, 제어기법으로는 SPWM 제어기법이 채택되었다. 태양광 인버터의 SPWM 제어기로는 강력한 고속 데이터 연산능력을 가지는 DSP가 채택되었으며, 배터리의 충전에 일정량의 전류를 공급하기 위해서 태양광 컨트롤러가 사용되었다. 끝으로, DSP를 주제어장치로 하는 소용량 3상 태양광 인버터 시스템이 시험, 제작되었으며, 실험을 통해서 SPWM 기반의 전력변환기능이 검증되었다.

Keywords

References

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