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Ray Tracing 기법을 이용한 태양광 발전량 시뮬레이션
박혜진(Park Hyejin),신명훈(Shin Myunghun) 한국태양에너지학회 2023 한국태양에너지학회 논문집 Vol.43 No.6
Recently, with the increase in regulations on self-power generation of energy in buildings, building-integrated photovoltaic systems (BIPV), that is, solar power on the outer walls of buildings, are also on the rise. Thus, considering the shadow of a building, the power generation of an elevated solar cell module according to differences in location, shadow, and reflectance (albedo) must be analyzed. In this study, we used a ray-tracing method and a three-dimensional (3D) optical design simulation program. For ray-tracing simulation, we produced sophisticated structures and provided optical properties, and a correction process for the surface temperature was conducted using a temperature correction formula. In addition, the characteristics and accuracy of the simulation were compared using Solar Pro data. Finally, in this study, we report the amount of power generated according to differences in location, shade, and reflectance (albedo).
박형식(Hyeongsik Park),정재성(Jaesung Jung),신명훈(Myunghun Shin),김선보(Sunbo Kim),이준신(Junsin Yi) 한국태양광발전학회 2016 Current Photovoltaic Research Vol.4 No.3
We discussed various cover glass substrates available for photovoltaic (PV) modules, and investigated the fabrication methods of light trapping structures for the efficiency enhancement of PV modules: wet and dry etching or laser and direct patternings. We also introduced the analysis of haze at etched glass surfaces as a function of wavelength and also presented a anti-reflection coating technology for PV module.
투과 및 반사율 측정을 이용한 염료감응태양전지의 유효 굴절률 모델링
김형석(Hyeong Seok Kim),이주철(Joocheol Lee),신명훈(Myunghun Shin) 한국태양광발전학회 2015 Current Photovoltaic Research Vol.3 No.3
Optical modeling and characterization of transparent dye-sensitized solar cells (DSC) are presented to design and estimate DSC devices numerically. In order to model the inhomogeneous active layer of DSC, the porous structure of titanium oxide (TiO2) and dye mixture, we prepared films consisting of layer by layer of the DSC’s basic materials sequentially, and characterized the optical parameters of the films with the effective refractive index, which was extracted from the transmittance and reflectance measurements in ultra violet to near infra-red range. By using the effective refractive index, we made the optical model for DSC, and demonstrated that the optical model based on effective refractive index can be used to design and evaluate the performance of transparent-type DSC modules.