Effects of Solar Irradiance and Temperature on Photovoltaic Module Characteristics using a capacitive load method
sayed ward, E., Gad, N., Lotfy Rabeh, M., Yahia, A. (2023). Effects of Solar Irradiance and Temperature on Photovoltaic Module Characteristics using a capacitive load method. EKB Journal Management System, 32(1), 24-30. doi: 10.21608/mjeer.2023.283915
Eman sayed ward; Nasr Gad; M. Lotfy Rabeh; Ashraf Yahia. "Effects of Solar Irradiance and Temperature on Photovoltaic Module Characteristics using a capacitive load method". EKB Journal Management System, 32, 1, 2023, 24-30. doi: 10.21608/mjeer.2023.283915
sayed ward, E., Gad, N., Lotfy Rabeh, M., Yahia, A. (2023). 'Effects of Solar Irradiance and Temperature on Photovoltaic Module Characteristics using a capacitive load method', EKB Journal Management System, 32(1), pp. 24-30. doi: 10.21608/mjeer.2023.283915
sayed ward, E., Gad, N., Lotfy Rabeh, M., Yahia, A. Effects of Solar Irradiance and Temperature on Photovoltaic Module Characteristics using a capacitive load method. EKB Journal Management System, 2023; 32(1): 24-30. doi: 10.21608/mjeer.2023.283915

Effects of Solar Irradiance and Temperature on Photovoltaic Module Characteristics using a capacitive load method

Menoufia Journal of Electronic Engineering Research
Article 4, Volume 32, Issue 1, January 2023, Page 24-30  XML PDF (1021.34 K)
DOI: 10.21608/mjeer.2023.283915
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Authors
Eman sayed ward1; Nasr Gad2; M. Lotfy Rabeh3; Ashraf Yahia2
1Department of Physics Egyptian Academy For Engineering & Advanced Technology Cairo, Egypt
2Department of Physics Ain Shams University, Faculty of Science Cairo, Egypt
3Electrical Department Faculty of Engineering, Shoubra, Benha University Cairo, Egypt
Abstract
The electrical performance of photovoltaic (PV) cells or arrays is greatly influenced by the ambient temperature and the solar radiation intensity (irradiation) as well. The effect of temperature and solar irradiance on the main characteristics of solar panels and photovoltaic modules is investigated in this paper. The primary parameters are identified and extracted using the capacitive load approach. These parameters are Short Circuit Current (Isc), Maximum Power Point Current (Impp), Open Circuit Voltage (Voc), Maximum Power Point Voltage (Vmpp), Maximum Power Point (Pmax), Fill factor (FF) and Efficiency (η). The PV cell used in this study is poly-crystal silicon. Its commercial name is Kyocera solar KC130GT. MATLAB Simulink is used to assess the capacitive load method in the investigation of I-V and P-V curves. These two curves are derived based on the effects of varying temperatures (30, 35, 40, and 45oC) at a constant irradiance (1000 W/m2) on the PV cell performance and the effect of varying irradiance (250, 500, 750, and 1000 W/m2) at constant temperature (25oC) as well. It is concluded that by increasing the irradiance at constant temperature, Isc and Voc are increasing. As a result, η increases from 13.9% at 250 W/m2 to reach 14.7% at 1000 W/m2. In the case of increasing temperature at constant irradiance, η decreases from 13.5% at 30oC to reach 12.8% at 45oC. This is due to the large drop in Voc compared to the small increment in Isc.
Keywords
I–V; P–V; Capacitor load technique; PV cell; Temperature; Solar irradiance
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