An improved variable step size photovoltaic MPPT algorithm based on perturb and observe method

Mukui Yin; Linlin Qin; Gang Wu; Chun Shi

doi:10.1117/12.2628665

7 March 2022 An improved variable step size photovoltaic MPPT algorithm based on perturb and observe method

Mukui Yin, Linlin Qin, Gang Wu, Chun Shi

Proceedings Volume 12167, Third International Conference on Electronics and Communication; Network and Computer Technology (ECNCT 2021); 121672Z (2022) https://doi.org/10.1117/12.2628665
Event: 2021 Third International Conference on Electronics and Communication, Network and Computer Technology, 2021, Harbin, China

Abstract

Maximum power point tracking (MPPT) technology can significantly improve and optimize the power generation efficiency in solar photovoltaic power generation system. The perturb and observe method is one of the most common MPPT application methods. This paper introduces an improved variable step size MPPT algorithm which has three adjustable degrees of freedom. A buck circuit simulation model is built and simulation results show that the algorithm improves tracking speed and steady-state performance.

Citation Download Citation

Mukui Yin, Linlin Qin, Gang Wu, and Chun Shi "An improved variable step size photovoltaic MPPT algorithm based on perturb and observe method", Proc. SPIE 12167, Third International Conference on Electronics and Communication; Network and Computer Technology (ECNCT 2021), 121672Z (7 March 2022); https://doi.org/10.1117/12.2628665

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