A Preliminary Research of the Bifacial PV System Under Installation Conditions

Ju-Hee, Jang; Kwon, Ohhyun; Lee, Sanghyuk; Shin, Min‐Su; Lee, Kyungsoo

doi:10.7836/kses.2018.38.6.051

Cited by 2 publications

(1 citation statement)

References 2 publications

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“…따라서 태양광에너지 의 효율을 높이기 위한 적지 평가, 태양광 잠재량 산정 그리고 성능예측들에 대한 연구가 필요한 실정이다. 국내 선행연구를 살펴보면, 태양광발전시스템의 발전 성능 및 효율성을 검토하기 위해 설치 유형별 발전특성 및 성능이 연구되었으며, 태양전지 모듈의 동작 온도범 위와 손실에 따른 영향에 대한 연구가 이루어 졌다 (Jang et al, 2018;. 더불어 도시지역 내 건 물분포에 따른 음영의 영향 등 일사량에 한정해서 분석 한 연구들이 있다 (Yun et al, 2018;Lee and Lee, 2018).…”

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A Study for Planning Optimal Location of Solar Photovoltaic Facilities using GIS

Woo

Paek

Jang

et al. 2019

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With the recent accelerated policy-making and interests in new renewable energy, plans to develop and supply the new renewable energy have been devised across multiple regions in Korea. Solar energy, in particular, is being applied to small-scale power supply in provincial areas, as solar cells are used to convert solar energy into electric energy to produce electric power. Nonetheless, in the case of solar power plants, the need for a large stretch of land and considerable sum of financial support implies that the planning step should take into consideration the most suitable meteorological and geographical factors. In this study, the proxy variables of meteorological and geographical factors associated with solar energy were considered in analyzing the vulnerable areas regarding the photovoltaic power generation facility across the nation. GIS was used in the spatial analysis to develop a map for assessing the optimal location for photovoltaic power generation facility. The final vulnerability map developed in this study did not reveal any areas that exhibit vulnerability level 5 (very high) or 1 (very low). Jeollanam-do showed the largest value of vulnerability level 4 (high), while a large value of vulnerability level 3 (moderate) was shown by several administrative districts including Gwangju metropolitan city, Jeollabuk-do, Chungcheongbuk-do, and Gangwon-do. A value of vulnerability level 2 (low) was shown by the metropolitan cities including Daegu, Ulsan, and Incheon. When the 30 currently operating solar power plants were compared and reviewed, most were found to be in an area of vulnerability level 2 or 3, indicating that the locations were relatively suitable for solar energy. However, the limited data quantity for solar power plants, which is the limitation of this study, prevents the accuracy of the findings to be clearly established. Nevertheless, the significance of this study lies in that an attempt has been made to assess the vulnerability map for photovoltaic power generation facility targeting various regions across the nation, through the use of the GIS-based spatial analysis technique that takes into account the diverse meteorological and geographical factors. Furthermore, by presenting the data obtained for all regions across the nation, the findings of this study are likely to prove useful as the basic data in fields related to the photovoltaic power generation.

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A Study for Planning Optimal Location of Solar Photovoltaic Facilities using GIS

Woo

Paek

Jang

et al. 2019

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Experimental Analysis on Annual Power Generations of Louver-integrated Bi-facial Photovoltaic Modules for Architectural Applications

Cho

2022

J Korean Solar Energy

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Solar power systems are the most commonly used renewable energy systems for energy self-sufficiency in buildings. In particular, bifacial photovoltaic modules for solar power generation have been researched for their optimal application, as they can generate electricity from two sides using only a single frame. In addition, because the price of a bifacial photovoltaic module is approximately 20% higher than that of a single-sided module, installing bifacial photovoltaic modules in suitable locations on buildings can be economical. To date, most studies have primarily focused on how to increase the amount of power generation from rear cells by arranging materials with high reflectivity on the floors of buildings. In point of fact, when bifacial photovoltaic modules are arranged in an east-west orientation, the maximum amount of power can be obtained in the mornings and afternoons. However, when these modules are installed in buildings in this orientation, a shadow is produced on the building surface according to the trajectory of the sun. In addition, when photovoltaic modules are used in the building envelope, the amount of power generation is often reduced because of this shadow. Nevertheless, even when considering this reduction in power generation, if the total power generation is higher than when photovoltaic modules are installed only vertically, the self-sufficiency rates of buildings can be improved. In this study, the shadow of a bifacial photovoltaic module was simulated using vertical photovoltaic modules to consider the possibilities of architectural application of bifacial photovoltaic modules.

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A Preliminary Research of the Bifacial PV System Under Installation Conditions

Cited by 2 publications

References 2 publications

A Study for Planning Optimal Location of Solar Photovoltaic Facilities using GIS

A Study for Planning Optimal Location of Solar Photovoltaic Facilities using GIS

Experimental Analysis on Annual Power Generations of Louver-integrated Bi-facial Photovoltaic Modules for Architectural Applications

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