PVT 모듈에서의 유입수 온도에 따른 전력효율 특성에 관한 실험적 연구
Experimental Study on the PVT Inlet Water Temperature Dependant Power Efficiency Characteristics
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초록
A photovoltaic-thermal (PVT) system can generate thermal and electrical energy simultaneously. In general, photovoltaicpanels are located on the front side and a thermal collector is on the back side of the PVT module. Therefore, thermal and electricalenergy can be generated simultaneously. A photovoltaic-thermal system has another benefit by helping to overcome the decrease inpower efficiency of the photovoltaic system increasing panel surface temperature. In this study, a photovoltaic-thermal SET (Separateeffect test) system has been developed for testing air and/or fluid type photovoltaic thermal module. Several experiments were carriedout with the module. performance test results showing the characteristics of the efficiency increase with the using water as the heattransfer media. Three experiments were conducted: Case A, Case B and Case C which were conducted at different inlet watertemperatures. The results show that the efficiencies of power generation is increasing as 8.32% from 173.11 W to 187.51 W when thePVT module temperature is decreasing as 40℃ to 20℃ at the same test condition.
Abstract
A photovoltaic-thermal (PVT) system can generate thermal and electrical energy simultaneously. In general, photovoltaicpanels are located on the front side and a thermal collector is on the back side of the PVT module. Therefore, thermal and electricalenergy can be generated simultaneously. A photovoltaic-thermal system has another benefit by helping to overcome the decrease inpower efficiency of the photovoltaic system increasing panel surface temperature. In this study, a photovoltaic-thermal SET (Separateeffect test) system has been developed for testing air and/or fluid type photovoltaic thermal module. Several experiments were carriedout with the module. performance test results showing the characteristics of the efficiency increase with the using water as the heattransfer media. Three experiments were conducted: Case A, Case B and Case C which were conducted at different inlet watertemperatures. The results show that the efficiencies of power generation is increasing as 8.32% from 173.11 W to 187.51 W when thePVT module temperature is decreasing as 40℃ to 20℃ at the same test condition.
참고문헌 (5)
- Heo, J. S., "Handbook of Energy & Ecocomics Statics in Korea", Korea Energy Management Corporation, 117~133 (2014)
- Lee, K. S., "Photovoltaic - Thermal Hybrid Technology for Building Energy Saving", Korea Institute of Architectural Sustainable Environment and Building Systems, 12~18 (2014)
- Kamran Moradi, "A Review of PV", T Technologies : Effect of control parameters, 2013, 483~500
- John A. Duffie, "PV Generator Characteristic and Models", Solar Engineering of Thermal Processes, pp.232~ (1991)
- Lee, K. S., "An Experimental Study on the PVT Inlet Water Temperature Dependant Power Efficiency Characteristics", The Korean Society For New And Renewable Energy, pp.76~76 (2015)