Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27100
Title: A simulation-based comparison of direct and indirect current-sharing methods
Authors: Chen, Y
Cheng, DKW
Lee, YS
Keywords: Power supply circuits
Short-circuit currents
Issue Date: 2004
Publisher: IEEE
Source: 2004 IEEE 35th Annual Power Electronics Specialists Conference, 2004 : PESC 04, June 2004, v. 4, p. 2746-2752 How to cite?
Abstract: Current-sharing (CS) techniques are developed to even out the current stresses among non-identical paralleled power modules. Different applications of them result in different CS methods. For a parallel power module system with O-ring connected configuration, which is widely used to achieve high reliability, there are two kinds of the CS methods: the direct method and the indirect method. In the direct method, the CS function is implemented in the power modules. In the indirect method, the CS function is implemented in the oring-connected protection circuit. Compared with the direct method, the indirect method offers the advantage of requiring no CS interconnections among the power modules, which makes the paralleling of power modules much simpler. Since the indirect method is a newly developed method, not much has been reported regarding its performance. This paper aims to make a simulation-based comparison of the direct and indirect methods. The focus is on the steady-state and dynamic-state characteristics.
URI: http://hdl.handle.net/10397/27100
ISBN: 0-7803-8399-0
ISSN: 0275-9306
DOI: 10.1109/PESC.2004.1355267
Appears in Collections:Conference Paper

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