Analysis of Output Characteristics of Photovoltaic Arrays Under Shaded Conditions

The output power–voltage curve of photovoltaic array under uniform illumination is a single-peak value, the voltage–current U-I curve is a single-step type. Once the photovoltaic array is obscured by clouds, mud, trees, etc., the photovoltaic array appears like partial shadows, and the P-U curve output of the photovoltaic array will appear like multiple peak values, and the U-I curve appears multiple steps, which will reduce the output power of the photovoltaic array. By using MATLAB/Simulink to build the model of the photovoltaic array under the shadow condition and carry out several simulations, we can get some characteristics of the P-U curve and the U-I curve, and summarize the rules. It provides a theoretical basis for the maximum power point tracking (MPPT) under the shadow condition.

The Key Research Project of Natural Science for Anhui Provincial Universities (KJ2017A747).

Authors and Affiliations

1. Anhui Technical College of Mechanical and Electrical Engineering, Wuhu, Anhui, 241002, China

   Hao Yang

Corresponding author

Correspondence to Hao Yang .

Editors and Affiliations

1. Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX, USA

   Qilian Liang

2. School of Information and Communication Engineering, Dalian University of Technology, Dalian, China

   Xin Liu

3. School of Information Science and Technology, Dalian Maritime University, Dalian, China

   Zhenyu Na

4. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

   Wei Wang

5. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

   Jiasong Mu

6. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

   Baoju Zhang

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