RESEARCH ON MPPT CONTROL OF PHOTOVOLTAIC SYSTEM BASED ON IP&#x00026;O-ICS ALGORITHM

Li Ang; Liu Wenfeng; Li Yinke; Gao Chunyang

doi:10.19912/j.0254-0096.tynxb.2022-0044

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (5) : 203-209. DOI: 10.19912/j.0254-0096.tynxb.2022-0044

RESEARCH ON MPPT CONTROL OF PHOTOVOLTAIC SYSTEM BASED ON IP&O-ICS ALGORITHM

Li Ang, Liu Wenfeng, Li Yinke, Gao Chunyang

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Abstract

The traditional MPPT algorithm of photovoltaic system is easy to fall into the local optimum, and the MPPT method based on the intelligent optimization algorithm has a slow tracking speed, which cannot balance accuracy and speed at the same time. In this regard, this article designs a composite algorithm combining Improved Perturbation and Observation method （IP&O） and improved cuckoo search （ICS） algorithm. It first uses IP&O to quickly track to the power extreme point of the maximum corresponding voltage. Then, according to the output characteristics of the photovoltaic array in the complex lighting environment, the power value of this point is used to dynamically adjust the search range of the ICS algorithm, so that it can track the maximum power point quickly and accurately. Through simulation comparison, the superiority of this algorithm in tracking speed and accuracy is verified.

Key words

photovoltaic arrays / illumination conditions / maximum power point trackers / cuckoo algorithm / improved perturbation and observation method

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Li Ang, Liu Wenfeng, Li Yinke, Gao Chunyang. RESEARCH ON MPPT CONTROL OF PHOTOVOLTAIC SYSTEM BASED ON IP&O-ICS ALGORITHM[J]. Acta Energiae Solaris Sinica. 2023, 44(5): 203-209 https://doi.org/10.19912/j.0254-0096.tynxb.2022-0044

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