SWITCHING TECHNIQUE BASED ON HYBRID ALGORITHM OF MAXIMUM POWER POINT TRACKING APPLIED IN THE SINGLE-ENDED PRIMARY INDUCTOR CONVERTER INTEGRATED WITH GRID-TIED INVERTER PHOTOVOLTAIC GENERATION

Abstract

This article aims to present a hybrid algorithm to control the performance of the maximum power point tracking of photovoltaic systems. The hybrid algorithm embedded in the controller generates a pulse width modulation with a predetermined frequency to set the converter with the single-ended primary inductor converter (SEPIC) topology via the metal-oxide-semiconductor field-effect transistor (MOSFET) drive. Furthermore, the output of SEPIC is integrated into the grid-tied inverter. This research can improve the performance of photovoltaic systems with SEPIC topologies integrated into grid-tied inverters. The results show that by using a hybrid algorithm-based switching technique, it is possible to save electricity consumption by 33.4 Watts. The novelty of this research is using a hybrid algorithm embedded in a low-priced controller and implemented in a converter based on SEPIC. To verify the results obtained, experimental and comparative results are also provided. Thus, the proposed technique can perform well and effectively. Keywords: Photovoltaic Technology, Hybrid Algorithm, Grid-Tied Inverter, Single-Ended Primary Inductor Converter DOI： https://doi.org/10.35741/issn.0258-2724.58.1.35