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A Method to Estimate and Analyze the Performance of a Grid-Connected Photovoltaic Power Plant

Department of Electrical and Electronics Engineering, Faculty of Mechatronics and Electronics Technology, Lac Hong University, No.1, Huynh Van Nghe Str, Buu Long Dist, Bien Hoa City 810000, Vietnam
Department of Renewable Energy Engineering, Faculty of Vehicle and Energy Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh, No. 1, Vo Van Ngan Str., Thu Duc Dist., Ho Chi Minh City 700000, Vietnam
College of Engineering, Da-Yeh University, Chang-Hua 51591, Taiwan
Author to whom correspondence should be addressed.
Energies 2020, 13(10), 2583;
Received: 21 April 2020 / Revised: 14 May 2020 / Accepted: 14 May 2020 / Published: 19 May 2020
(This article belongs to the Special Issue Photovoltaic Modules)
This paper presents a method to estimate the yield and analyze the performance of a grid-connected photovoltaic (PV) power plant including a rooftop PV system and a solar farm. The yield model was developed based on a commercial PV model in a MATLAB/Simulink environment. A simulation model is built to connect with the PV rooftop system and the solar farm in which their total installed capacities are 0.986 and 30.7 MW, respectively. The simulated and measured final yield results of a rooftop PV system in Vietnam are compared. Additionally, this paper provides a function of reducing the final yield corresponding to different PV operation temperature values. Furthermore, the performance of both a rooftop PV system and a solar farm, in Vietnam, are evaluated as the rated power of 0.986 and 30.7 MWp, respectively. The results also show that their performance is satisfactory, in which the value of the performance ratio (PR) average reaches 70% for the rooftop PV system and 80.45% for the solar farm within a six-month period, in 2019. The PR is also compared with a global PR average from 70% to 80% for a sufficiently well-performed solar system. View Full-Text
Keywords: PV power plant; performance model; loss model PV power plant; performance model; loss model
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Phuong Truong, L.; An Quoc, H.; Tsai, H.-L.; Van Dung, D. A Method to Estimate and Analyze the Performance of a Grid-Connected Photovoltaic Power Plant. Energies 2020, 13, 2583.

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