Soft-switching single inductor current-fed push-pull converter for PV applications

Author

Nayanasiri, D.R. ; Vilathgamuwa, D.M. ; Maskell, D.L. ; Beng, Gilbert Foo Hock

Author_Institution

Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore

fYear

2014

Firstpage

5589

Lastpage

5594

Abstract

A switching control strategy is proposed for single inductor current-fed push-pull converter with a secondary side active voltage doubler rectifier or a voltage rectifier used in photovoltaic (PV) grid interfacing. The proposed switching control strategy helps to turn-on and turn-off the primary side power switches with zero-voltage and zero-current switching. The operation of the push-pull converter is analyzed for two modes of operation. The feasibility of the proposed switching control strategy is validated using simulation and experimental results.

Keywords

photovoltaic power systems; power control; power grids; power inductors; rectifiers; switching convertors; zero current switching; zero voltage switching; PV applications; photovoltaic grid interfacing; primary side power switches; secondary side active voltage doubler rectifier; soft-switching single inductor current-fed push-pull converter; switching control strategy; zero-current switching; zero-voltage switching; Inductance; Inductors; Switches; Voltage control; Zero current switching; Zero voltage switching; Single inductor push-pull converter; active rectifier; zero-current-switching; zero-voltage-switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Electronics Society, IECON 2014 - 40th Annual Conference of the IEEE

Type

conf

DOI

10.1109/IECON.2014.7049355

Filename

7049355