Forward-Based High Step-Up DC–DC Converter with Input Current Sharing and Output Filter Reduction: Design, Modeling, and Control

This paper presents a DC–DC converter capable of dealing with low-voltage and high-input current sources. The proposed topology is based on Forward converters with inputs connected in parallel and outputs connected in series. This configuration allows a natural sharing of the input current and provi...

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Bibliographic Details
Published in:Journal of control, automation & electrical systems automation & electrical systems, 2020-02, Vol.31 (1), p.21-30
Main Authors: Gruner, Víctor F., Horn, Thamires P., Schmitz, Lenon, Martins, Denizar, Coelho, Roberto
Format: Article
Language:English
Subjects:
Closed loops
Control
Control and Systems Theory
Converters
Current sharing
Current sources
Electrical Engineering
Engineering
Mechatronics
Modelling
Parallel connected
Robotics
Robotics and Automation
Topology
Waveforms
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Summary:This paper presents a DC–DC converter capable of dealing with low-voltage and high-input current sources. The proposed topology is based on Forward converters with inputs connected in parallel and outputs connected in series. This configuration allows a natural sharing of the input current and provides high static gain to the converter. The phase-shift modulation is applied to reduce size and volume of the single output filter presented at the topology. The study carried out in this work includes the converter operation stages, equation, theoretical waveforms, and modeling. In addition, experimental results performed from a 1-kW prototype are presented and discussed in order to validate the proposed converter operation in closed loop.
ISSN:2195-3880
2195-3899
DOI:10.1007/s40313-019-00540-4