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A New Family of Soft Transition Converters: Design Example and Dynamic Model

Lakshminarasamma, N and Ramanarayanan, V (2008) A New Family of Soft Transition Converters: Design Example and Dynamic Model. In: Proc. of National Power Electronics Conference NPEC'2007, Bangalore, October 2007, Bangalore.

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The soft switching converters evolved through the resonant load, resonant switch, resonant transition and active clamp converters to eliminate switching losses in power converters. This paper briefly presents the operating principle of the new family of soft transition converters; the methodology of design of these converters is presented through an example. In the proposed family of converters, the switching transitions of both the main switch and auxiliary switch are lossless.When these converters are analysed in terms of the pole current and throw voltage, the defining equations of all converters belonging to this family become identical.Such a description allows one to define simple circuit oriented model for these converters. These circuit models help in evaluating the steady state and dynamic model of these converters. The standard dynamic performance functions of the converters are readily obtainable from this model. This paper presents these dynamic models and verifies the same through measurements on a prototype converter.

Item Type: Conference Paper
Keywords: Resonant converters;ZVS;ZCS;Auxiliary switch converters; Coupled inductor.
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 18 Oct 2011 05:35
Last Modified: 18 Oct 2011 05:35
URI: http://eprints.iisc.ac.in/id/eprint/41500

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