journal article·2025-07-25Open access

A PV Battery Charging System Based on Extremum-Seeking Control and a Series Resonant Converter with Capacitive Galvanic Isolation

Abdulhakeem Alsaleem, Abdulrahman Alduraibi

Applied Sciences· Volume 15· Issue 15

Abstract

This paper presents a standalone system that utilizes a capacitive isolated series resonant converter using an extremum-seeking control algorithm to extract the maximum power from PV panels. While resonant converters have been used for battery charging applications, series resonant converters that utilize capacitive galvanic isolation have not been sufficiently explored, and their design considerations for battery charging have not been established. In addition, extremum-seeking control algorithms have been explored for maximum power point tracking using PWM converters, but not using PFM converters such as resonant converters. This paper lays out the advantages of using an extremum-seeking-based control algorithm with resonant converters, specifically series resonant converters, and it presents simulation results of a 200 W standalone battery charging system to validate the stated benefits.
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Research context

OpenAlex topics: Extremum Seeking Control Systems · Photovoltaic System Optimization Techniques · Innovative Energy Harvesting Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Electrical Engineering, College of Engineering, Qassim University, Buraydah 52571, Saudi Arabia

Funding

Deanship of Graduate Studies and Scientific Research at Qassim University

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