MPPT control of series photovoltaic array based on CSA-INC under partial shading

Jinyuan Dong

doi:10.1117/12.2628582

16 February 2022 MPPT control of series photovoltaic array based on CSA-INC under partial shading

Jinyuan Dong

Proceedings Volume 12164, International Conference on Optoelectronic Materials and Devices (ICOMD 2021); 121641R (2022) https://doi.org/10.1117/12.2628582
Event: 2021 International Conference on Optoelectronic Materials and Devices, 2021, Guangzhou, China

Abstract

Photovoltaic power generation system is very dependent on the sun's irradiation, any change in the external environment will affect the performance of photovoltaic power generation system. The partial shadow on the photovoltaic array will also affect the power output, and also increase the complexity of maximum power point tracking. In the case of partial shading, the power-voltage characteristic curve of the photovoltaic array has multiple local maximum power points, in order to track the global maximum power point quickly and accurately, a control method based on the combination of cuckoo search algorithm and conductance increment method is proposed, the cuckoo search algorithm is used in the early stage of tracking, and the conductance increment method is switched to tracking when it reaches the maximum power point. Through the simulation analysis of the model built by MATLAB/Simulink, it can be found that the algorithm has a faster tracking speed compared with the traditional cuckoo search algorithm, and also has a good steady-state accuracy.

Citation Download Citation

Jinyuan Dong "MPPT control of series photovoltaic array based on CSA-INC under partial shading", Proc. SPIE 12164, International Conference on Optoelectronic Materials and Devices (ICOMD 2021), 121641R (16 February 2022); https://doi.org/10.1117/12.2628582

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KEYWORDS

Photovoltaics

Solar cells

Detection and tracking algorithms

Solar energy

Diodes

Circuit switching

Particle swarm optimization

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