DefinePK

Abstract

In the current decades, photovoltaic power generation has become more important. To enhance the energy efficiency, it is always important to work the photovoltaic (PV) system at its maximum power point, thus the Maximum Power Point Tracking (MPPT) strategy is used. The main purpose of this paper is to develop a system based on a photovoltaic (PV) module using a single-diode model of a solar cell, and to present a comparative analysis between constant duty cycle, the conventional Perturb and Observe (P&O) algorithm, and the proposed P&O method using a PI controller for extracting the maximum power from the PV array. These methods are implemented using a Buck converter.