Analysis and Design of a Multi-Port DC-DC Converter for Interfacing PV Systems

Bader N. Alajmi, Mostafa I. Marei, Ibrahim Abdelsalam and Mohamed F. AlHajri
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Bader N. Alajmi: Electrical Engineering Technology Department, College of Technological Studies, Doha 35001, Kuwait
Mostafa I. Marei: Electrical Power and Machines Department, Faculty of Engineering, Ain Shams University, Cairo 11769, Egypt
Ibrahim Abdelsalam: Electrical and Control Department, College of Engineering & Technology, Arab Academy for Science, Technology & Maritime Transport, Cairo 2033, Egypt
Mohamed F. AlHajri: Electrical Engineering Technology Department, College of Technological Studies, Doha 35001, Kuwait

Energies, 2021, vol. 14, issue 7, 1-17

Abstract: A high-frequency multi-port (HFMP) direct current (DC) to DC converter is presented. The proposed HFMP is utilized to interface a photovoltaic (PV) system. The presented HFMP is compact and can perform maximum power point tracking. It consists of a high-frequency transformer with many identical input windings and one output winding. Each input winding is connected to a PV module through an H-bridge inverter, and the maximum PV power is tracked using the perturb and observe (P&O) technique. The output winding is connected to a DC bus through a rectifier. The detailed analysis and operation of the proposed HFMP DC-DC converter are presented. Extensive numerical simulations are conducted, using power system computer aided design (PSCAD)/electromagnetic transients including DC (EMTDC) software, to evaluate the operation and dynamic behavior of the proposed PV interfacing scheme. In addition, an experimental setup is built to verify the performance of the HFMP DC-DC converter.

Keywords: DC-DC converter; high-frequency multi-port; maximum power point tracking; PV interface system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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