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Modularity for Paralleling Different Rated Power Supplies Using Multi-Phase Switching Methods

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Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan
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Department of Electrical Engineering, Lee-Ming Institute of Technology, Taipei 243, Taiwan
*
Author to whom correspondence should be addressed.
J. Low Power Electron. Appl. 2019, 9(1), 1; https://doi.org/10.3390/jlpea9010001
Received: 1 November 2018 / Revised: 3 January 2019 / Accepted: 11 January 2019 / Published: 16 January 2019
This paper proposes a modularity for paralleling different rated power supplies without adding a circuit in the feedback loop by using direct and overlapped switching methods. Unlike an isolated output diode, the use of an isolated output switch composed of two Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs) can reduce power dissipation. The control module includes switches and a micro-programmed controlled unit that realizes the modularity by using multi-phase switching methods. The proposed module was studied, and experiments of two rated power supplies (60 and 45 W) were conducted to verify the studied results. View Full-Text
Keywords: modularity; current sharing; different rated power; paralleling; control module; isolated MOSFET; multi-phase switching modularity; current sharing; different rated power; paralleling; control module; isolated MOSFET; multi-phase switching
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Lee, P.-H.; Chiang, Y.-T.; Chang, F.-R. Modularity for Paralleling Different Rated Power Supplies Using Multi-Phase Switching Methods. J. Low Power Electron. Appl. 2019, 9, 1.

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