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차혜림,고재우,임종락,David-Kwangsoon Kim,안형근 한국전기전자재료학회 2017 Transactions on Electrical and Electronic Material Vol.18 No.1
The building integrated photovoltaic system (BIPV) attracts attention with regard to the future of the photovoltaic (PV)industry. It is because one of the promising national and civilian projects in the country. Since land area is limited,there is considerable interest in BIPV systems with a variety of angles and shapes of PV panels. It is therefore expectedto be one of the major fields for the PV industry in the future. Since the irradiation is different from each installationangle, the output can be predicted by the angles. This is critical for a PV system to be operated at maximum powerand use an efficient design. The development characteristics of tilted angles based on data results obtained via longtermmonitoring need to be analyzed. The ratio of the theoretically available and actual outputs is compared with theinstallation angles of each PV module to provide a suitable PV system for the user.
View Factor를 고려한 마이크로그리드 적용용 고효율 P-Type Si 양면형 태양광 모듈의 출력량 예측
최진호,김광순,차혜림,김규광,방병관,박소영,안형근,Choi, Jin Ho,Kim, David Kwangsoon,Cha, Hae Lim,Kim, Gyu Gwang,Bhang, Byeong Gwan,Park, So Young,Ahn, Hyung Keun 한국전기전자재료학회 2018 전기전자재료학회논문지 Vol.31 No.3
In this study, 20.8% of a p-type Si bifacial solar cell was used to develop a photovoltaic (PV) module to obtain the maximum power under a limited installation area. The transparent back sheet material was replaced during fabrication with a white one, which is opaque in commercial products. This is very beneficial for the generation of more electricity, owing to the additional power generation via absorption of light from the rear side. A new model is suggested herein to predict the power of the bifacial PV module by considering the backside reflections from the roof and/or environment. This model considers not only the frontside reflection, but also the nonuniformity of the backside light sources. Theoretical predictions were compared to experimental data to prove the validity of this model, the error range for which ranged from 0.32% to 8.49%. Especially, under $700W/m^2$, the error rate was as low as 2.25%. This work could provide theoretical and experimental bases for application to a distributed and microgrid network.
Cha, Hae-Lim,Ko, Jae-Woo,Lim, Jong-Rok,Kim, David-Kwangsoon,Ahn, Hyung-Keun The Korean Institute of Electrical and Electronic 2017 Transactions on Electrical and Electronic Material Vol.18 No.1
The building integrated photovoltaic system (BIPV) attracts attention with regard to the future of the photovoltaic (PV) industry. It is because one of the promising national and civilian projects in the country. Since land area is limited, there is considerable interest in BIPV systems with a variety of angles and shapes of PV panels. It is therefore expected to be one of the major fields for the PV industry in the future. Since the irradiation is different from each installation angle, the output can be predicted by the angles. This is critical for a PV system to be operated at maximum power and use an efficient design. The development characteristics of tilted angles based on data results obtained via long-term monitoring need to be analyzed. The ratio of the theoretically available and actual outputs is compared with the installation angles of each PV module to provide a suitable PV system for the user.