A photovoltaic generator system with a DC/DC converter based on an integrated Boost-Ćuk topology

•A new non-isolated DC-DC converter with a single switch.•Topology characterized by an integration of the classical Boost and Cuk DC-DC converters.•Topology that allows extend the voltage static gain when compared with the conventional Boost converter.•Semiconductors with reduced voltage stress. A n...

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Bibliographic Details
Published in:Solar energy 2016-10, Vol.136, p.1-9
Main Authors: Fernão Pires, V., Foito, Daniel, Baptista, F.R.B., Fernando Silva, J.
Format: Article
Language:English
Subjects:
Algorithms
Boost and Ćuk converters
Diodes
Electric currents
High set-up converter
Non-isolated converter
Photovoltaic cells
Single switch converter
Solar energy
Topology
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Summary:•A new non-isolated DC-DC converter with a single switch.•Topology characterized by an integration of the classical Boost and Cuk DC-DC converters.•Topology that allows extend the voltage static gain when compared with the conventional Boost converter.•Semiconductors with reduced voltage stress. A new non-isolated DC-DC converter for photovoltaic systems is proposed in this paper. This converter topology is characterized by an integration of the classical Boost and Ćuk DC-DC converters. The proposed topology requires only a single power semiconductor switch, reduces voltage stress across diodes and power semiconductor switch while providing a continuous input current. Further, this topology allows extending the voltage static gain when compared with the conventional Boost converter. The new converter is regulated by a PWM technique at constant frequency that can be associated to a maximum power point tracking algorithm. Herein, the design considerations of this power converter are presented, and the characteristics of the proposed topology are confirmed by simulations and experiment results from a laboratory prototype.
ISSN:0038-092X
1471-1257
DOI:10.1016/j.solener.2016.06.063