PVPCS DC/DC 컨버터 모델링 및 2중 루프 제어와 단일 루프 제어의 특성 비교
- Title
- PVPCS DC/DC 컨버터 모델링 및 2중 루프 제어와 단일 루프 제어의 특성 비교
- Alternative Title
- Comparative Study between Two-loop and Single-loop Control of DC/DC Converter for PVPCS
- Issued Date
- 2012
- Type
- Article
- Subject
- PVPCS(Photovoltaic Power Conditioning System) ; PVPCS용 부스트 컨버터(Boost converter for PVPCS) ; 최대 전력점 추적(MPPT) ; 모델링(modeling) ; 소신호 분석(small-signal analysis) ; 이중 제어 루프(two-loop control) ; 단일 제어 루프(single-loop control)
- ISSN
- 1598-6411
- Abstract
- In photovoltaic system, the characteristics of photovoltaic module such as open circuit voltage and short circuit current will be changed because of cell temperature and solar radiation. Therefore, the boost converter of a PV system connects between the output of photovoltaic system and DC link capacitor of grid connected inverter as controlling duty ratio for maximum power point tracking(MPPT). This paper shows the dynamic characteristics of the boost converter by comparing single-loop and two-loop control algorithm using both analog and digital control. Both proposed compensation methods have been verified with computer simulation to demonstrate the validity of the proposed control schemes.
- Publisher
- 한국태양에너지학회
- Related Researcher
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An, Jinung
- Research Interests
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