[논문]대면적 Multi busbar 모듈 전력 손실 저감을 위한 태양전지 설계

김주휘; 이재형

doi:10.21218/cpr.2023.11.1.034

대면적 Multi busbar 모듈 전력 손실 저감을 위한 태양전지 설계
Solar Cell Design for Large Area Multi Busbar Module Power Loss Reduction 원문보기

Current photovoltaic research = 한국태양광발전학회논문지, v.11 no.1, 2023년, pp.34 - 37

김주휘 (전자전기컴퓨터공학과, 성균관대학교) , 이재형 (전자전기컴퓨터공학과, 성균관대학교)

Abstract ▼ AI-Helper

Solar energy had become the main energy industry of renewable energy along with hydroelectric power generation. One of the technologies that contributed to the popularization of photovoltaic power and the decrease in the unit price of photovoltaic modules was the large-area solar cell. However, as the area increased, the light receiving area increased and the current value increased accordingly. Since power loss occurs when the current value was large, the number of busbar was increased to increase the current collection rate, and a technology to lower the current value through half-cutting was developed. The bus bar of the solar cell served as a passage through which the generated current was transmitted. This was because when the number of busbar decreases, the moving distance of electrons increased, so the amount of power generation decreases and when it increases, shadows occured. An important aspect of the electrode design was the optimal balance of these busbars and number of fingers. Therefore, in this study, the characteristics of the solar cell according to the number of front bus bars of the large-area solar cell were simulated using Griddler 2,5 pro. After selecting the number of busbar with the best characteristics, the difference was compared by varying the number of fingers and a better direction for the number of cutting was presented.

주제어

표/그림 (7)

그림 Fig. 1. Solar cell provided by the manufacturer and the designed solar cell drawing
표 Table 1. Input parameters used in simulation
표 Table 2. M12 characteristic values provided by manufacturer and values extracted by simulation
그림 Fig. 2. Multi busbar solar cell half cut drawing
표 Table 3. Half cut solar cell characteristics according to the number of busbar
표 Table 4. Half-cut solar cell characteristics by changing number of fingers in 12 busbars
표 Table 5. Large area solar cell characteristics according to the number of division

참고문헌 (9)

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상세보기
Braun, Stefan, et al., "High efficiency multi-busbar solar cells？and modules," IEEE Journal of Photovoltaics 4.1, 148-153？(2013).
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