A New Multivariate Linear Regression MPPT Algorithm for Solar PV System with Boost Converter

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P. Venkata Mahesh
S. Meyyappan
Rama Koteswara Rao Alla

Abstract

Operating solar photovoltaic (PV) panels at the maximum power point (MPP) is considered to enrich energy conversion efficiency. Each MPP tracking technique (MPPT) has its conversion efficiency and methodology for tracking the MPP. This paper introduces a new method for operating the PV panel at MPP by implementing the multivariate linear regression (MLR) machine learning algorithm. The MLR machine learning model in this study is trained and tested using the data collected from the PV panel specifications. This MLR algorithm can predict the maximum power available at the panel, and the voltage corresponds to this maximum power for specific values of irradiance and temperature. These predicted values help in the calculation of the duty ratio for the boost converter. The MATLAB/SIMULINK results illustrate that, as time progresses, the PV panel is forced to operate at the MPP predicted by the MLR algorithm, yielding a mean efficiency of more than 96% in the steady-state operation of the PV system, even under variable irradiances and temperatures.

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Mahesh, P. V., Meyyappan, S., & Alla, R. K. R. (2022). A New Multivariate Linear Regression MPPT Algorithm for Solar PV System with Boost Converter. ECTI Transactions on Electrical Engineering, Electronics, and Communications, 20(2), 269–281. https://doi.org/10.37936/ecti-eec.2022202.246909
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