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- Title
Modeling and design of a photovoltaic‐fed single‐ended primary‐inductor converter for maximum power point tracking with current mode control.
- Authors
Rais, Youssra; Mandal, Kuntal; Zakriti, Alia; Khamlichi, Abdellatif; Al‐Numay, Mohamed; El Aroudi, Abdelali
- Abstract
Summary: In this work, the control of a Single‐Ended Primary‐Inductor Converter (SEPIC) supplied from a photovoltaic energy source and linked at its output to a DC current sink is addressed. The system is used for maximum power point tracking under varying environmental conditions. A strategy based on two loops of control is considered. A peak current mode controller is used for the inner loop, and a Proportional‐Integral (PI) controller is used for the outer voltage loop. Then, a comprehensive time‐domain and frequency‐domain modeling of the inner loop is theoretically addressed and then verified by the switched model of the system implemented in PSIM© software. The obtained results show that the system exhibits accurate tracking of the desired PV voltage while guaranteeing a fast maximum power point tracking under sudden changes in the environmental conditions. The mathematical modeling, design procedures, and the numerical simulations are validated using experimental results obtained from a laboratory prototype.
- Subjects
DC-to-DC converters; MATHEMATICAL models; COMPUTER simulation; VOLTAGE; SOLAR energy
- Publication
International Journal of Circuit Theory & Applications, 2024, Vol 52, Issue 6, p2845
- ISSN
0098-9886
- Publication type
Article
- DOI
10.1002/cta.3870