Efficiency Evaluation of P&O MPPT Technique used for Maximum Power Extraction from Solar Photovoltaic System

Abstract

This research paper aims to simulate and evaluate the efficiency of the Perturb & Observe (P&O) Maximum Power Point Tracking (MPPT) algorithm applied to a Photovoltaic system for extracting max power in MATLAB/SIMULINK. The P&O algorithm is an MPPT technique that is put in application to the Photovoltaic system to track and operate the system at Maximum Power Point (MPP) to draw out max power from Photovoltaic system under changing atmospherical conditions. The P&O algorithm code is written in MATLAB Editor Menu using MATLAB function Simulink block. And the algorithm controls the duty cycle of the switching transistor of the DC-DC converter to acquire Maximum Power Point (MPP) and operate the system efficiently under changing atmospherical conditions. The converter that is used in this research paper is the DC-DC Boost converter to increase the DC voltage generated by the photovoltaic system.