The application of resonant-mode techniques to off-line converters for the commercial market

This thesis presents the work performed by the author on the application of resonantmode techniques to commercially-orientated off-line converters. An extensive review of resonant-mode topologies leads to the development of a method of categorisation of these topologies which allows a greater compre...

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Main Author:	Simon H. Weinberg
Format:	Default Thesis
Published:	1995
Subjects:	Mechanical engineering not elsewhere classified Power converters High frequency switching Electric circuits Mechanical Engineering not elsewhere classified
Online Access:	https://hdl.handle.net/2134/6998
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id	rr-article-9544244
record_format	Figshare
spelling	rr-article-95442441995-01-01T00:00:00Z The application of resonant-mode techniques to off-line converters for the commercial market Simon H. Weinberg (7204160) Mechanical engineering not elsewhere classified Power converters High frequency switching Electric circuits Mechanical Engineering not elsewhere classified This thesis presents the work performed by the author on the application of resonantmode techniques to commercially-orientated off-line converters. An extensive review of resonant-mode topologies leads to the development of a method of categorisation of these topologies which allows a greater comprehension of their properties. The categories of converter thus obtained are the conventional resonant converter, the quasi-resonant converter, and the gap-resonant converter. The gap-resonant converter is selected for further investigation. An analysis reveals the limited load and input voltage capabilities of this converter, and hence leads to the introduction of a pre-regulating converter to improve reliability and commercial viability. High-frequency techniques are explored and reported, and new techniques are developed in several areas in order to extend the concept of the gap-resonant converter to a realworld practical design. Subjects explored include the high speed driving of power MOSFETs, MOSFET and diode switching losses, high frequency magnetic materials and core losses, and skin and proximity effects. The techniques developed are used in the design of a 30OW, off-line converter with an input voltage range of 165V to 380V after rectification, and a ten-to-one output load range. 1995-01-01T00:00:00Z Text Thesis 2134/6998 https://figshare.com/articles/thesis/The_application_of_resonant-mode_techniques_to_off-line_converters_for_the_commercial_market/9544244 CC BY-NC-ND 4.0
institution	Loughborough University
collection	Figshare
topic	Mechanical engineering not elsewhere classified Power converters High frequency switching Electric circuits Mechanical Engineering not elsewhere classified
spellingShingle	Mechanical engineering not elsewhere classified Power converters High frequency switching Electric circuits Mechanical Engineering not elsewhere classified Simon H. Weinberg The application of resonant-mode techniques to off-line converters for the commercial market
description	This thesis presents the work performed by the author on the application of resonantmode techniques to commercially-orientated off-line converters. An extensive review of resonant-mode topologies leads to the development of a method of categorisation of these topologies which allows a greater comprehension of their properties. The categories of converter thus obtained are the conventional resonant converter, the quasi-resonant converter, and the gap-resonant converter. The gap-resonant converter is selected for further investigation. An analysis reveals the limited load and input voltage capabilities of this converter, and hence leads to the introduction of a pre-regulating converter to improve reliability and commercial viability. High-frequency techniques are explored and reported, and new techniques are developed in several areas in order to extend the concept of the gap-resonant converter to a realworld practical design. Subjects explored include the high speed driving of power MOSFETs, MOSFET and diode switching losses, high frequency magnetic materials and core losses, and skin and proximity effects. The techniques developed are used in the design of a 30OW, off-line converter with an input voltage range of 165V to 380V after rectification, and a ten-to-one output load range.
format	Default Thesis
author	Simon H. Weinberg
author_facet	Simon H. Weinberg
author_sort	Simon H. Weinberg (7204160)
title	The application of resonant-mode techniques to off-line converters for the commercial market
title_short	The application of resonant-mode techniques to off-line converters for the commercial market
title_full	The application of resonant-mode techniques to off-line converters for the commercial market
title_fullStr	The application of resonant-mode techniques to off-line converters for the commercial market
title_full_unstemmed	The application of resonant-mode techniques to off-line converters for the commercial market
title_sort	application of resonant-mode techniques to off-line converters for the commercial market
publishDate	1995
url	https://hdl.handle.net/2134/6998
_version_	1796835343581839360

The application of resonant-mode techniques to off-line converters for the commercial market

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