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선행 연구된 태양광열 복합 시스템의 문헌 검토를 통한 성능 및 효율분석
어승희(Euh Seung-Hee),김대현(Kim Dae-Hyun) 한국태양에너지학회 2011 한국태양에너지학회 학술대회논문집 Vol.2011 No.4
A Photovoltaic/Thermal(PVT) solar system consists of PV module and thermal absorber plate which convert the absorbed solar radiation into electricity and heat. Meaningful researches and development (R&D) on the PVT technologies have been performed since the 1970s. This paper presents a review of the previous works covering the various types of PVT and their performance analysis in terms of electrical and thermal efficiency. This review compares electrical and thermal efficiency of the different types of PVT collectors and analyzes the parameters affecting PVT performance. Based on the literature review, box channel type PVT with unglazed, or flat plate PVT with glazed have the highest efficiency among them. From the literature review, R&D should be carried out aiming at improving their overall electrical and thermal efficiency and cutting down the cost, making them more competitive in the energy consumption market.
선행 연구된 태양광열 복합 시스템의 문헌 검토를 통한 성능 및 효율분석
어승희(Euh Seung-Hee),김대현(Kim Dae-Hyun) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.3
A Photovoltaic/Thermal(PVT) solar system consists of PV module and thermal absorber plate which convert the absorbed solar radiation into electricity and heat. Meaningful researches and development (R&D) on the PVT technologies have been performed since the 1970s. This paper presents a review of the previous works covering the various types of PVT and their performance analysis in terms of electrical and thermal efficiency. This review compares electrical and thermal efficiency of the different types of PVT collectors and analyzes the parameters affecting PVT performance. Based on the literature review, box channel type PVT with unglazed, or flat plate PVT with glazed have the highest efficiency among them. From the literature review, R&D should be carried out aiming at improving their overall electrical and thermal efficiency, cutting down the cost, and making them more competitive in the energy consumption market.
PVT 시스템의 PV 모듈 및 태양열 집열기 대비 성능 및 효율 비교분석
어승희(Euh Seung-Hee),이정빈(Lee Jeong-Bin),최윤성(Choi Yun-Sung),김대현(Kim Dae-Hyun) 한국태양에너지학회 2012 한국태양에너지학회 논문집 Vol.32 No.2
A photovoltaic/thermal(PVT) solar system is the solar technology that allows for simultaneous conversion of solar energy into both electricity and heat. This paper compared the performance of PVT system with a conventional PV module and solar collector and analyzed electrical and thermal efficiency of PVT system in terms of solar irradiance and inlet temperature of the working fluid. Based on the experimental data, thermal and electrical efficiencies of the glazed PVT system were 57.9% and 14.27% under zero reduced temperature condition which were lower by 13.6% than the solar thermal absorber plate and by 0.08% than the PV module respectively. For the unglazed PVT system, it had lower thermal efficiency than the solar thermal absorber plate but higher electrical performance than the PV module due to the cooling effect by the working fluid. However, total efficiency of the glazed PVT system was 72.2% which was higher than combined efficiencies of the solar collector and PV module. Besides, total efficiency of the PVT system would be much higher if calculated based on unit area.