Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33639
Title: Control strategy for input-series-output-parallel converter
Authors: Ruan, X
Chen, W
Cheng, L
Tse, CK 
Yan, H
Zhang, T
Keywords: Current sharing
Dc/dc converter
Parallel
Phase-shifted control
Series
Voltage sharing
Issue Date: 2009
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on industrial electronics, 2009, v. 56, no. 4, p. 1174-1185 How to cite?
Journal: IEEE transactions on industrial electronics 
Abstract: The input-series-output-parallel (ISOP) converter, which consists of multiple dc-dc converter modules connected in series at the input and in parallel at the output, is an attractive solution for high input voltage and high power applications. This paper reveals the relationship between input voltage sharing (IVS) and output current sharing of the constituent modules of the ISOP converter. A novel IVS control strategy, which is decoupled with the output voltage regulation, is proposed. This control allows IVS and output voltage regulation to be designed independently. An ISOP converter, which uses the phase-shifted full-bridge (PS-FB) converter as the basic module, is considered. Based on the proposed control strategy, this ISOP converter together with the control circuit can be decoupled from several independent single-input and single-output systems. An ISOP converter consisting of three PS-FB modules is used to illustrate the design procedure, and a 3-kW experimental prototype is fabricated and tested.
URI: http://hdl.handle.net/10397/33639
ISSN: 0278-0046
EISSN: 1557-9948
DOI: 10.1109/TIE.2008.2007980
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