Optimising snubbers for high-current emitter-switched transistors

Francis Robinson; Barry Williams

Optimising snubbers for high-current emitter-switched transistors

Department of Electronic & Electrical Engineering

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

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Abstract

The authors analyse a soft voltage-clamp to find a simple design procedure for optimising series-snubber and clamp reset-time circuits for a given voltage rise above the supply-rail. This analysis is applicable to other switches requiring voltage clamping rather than load-line tailoring, including MOSFETs. Their advantages of: reduced power dissipation over shunt-snubbers; current-dependent power dissipation, independent of supply-voltage; and absence of cross-current peaks in phase-legs are likely to promote continued usage

Original language	English
Title of host publication	Third International Conference on Power Electronics and Variable-Speed Drives
Place of Publication	London, UK
Publisher	IET
Pages	177-180
Number of pages	4
ISBN (Print)	0-85296-364-5
Publication status	Published - 13 Jul 1988
Event	Third International Conference on Power Electronics and Variable-Speed Drives - London, UK United Kingdom Duration: 13 Sept 1988 → 15 Sept 1988

Conference

Conference	Third International Conference on Power Electronics and Variable-Speed Drives
Country/Territory	UK United Kingdom
City	London
Period	13/09/88 → 15/09/88

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Optimising snubbers for high-current emitter-switched transistors
This paper is a preprint of a paper accepted by the IET and is subject to Institution of Engineering and Technology copyright. The copy of record is available at the IET Digital Library.
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Cite this

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abstract = "The authors analyse a soft voltage-clamp to find a simple design procedure for optimising series-snubber and clamp reset-time circuits for a given voltage rise above the supply-rail. This analysis is applicable to other switches requiring voltage clamping rather than load-line tailoring, including MOSFETs. Their advantages of: reduced power dissipation over shunt-snubbers; current-dependent power dissipation, independent of supply-voltage; and absence of cross-current peaks in phase-legs are likely to promote continued usage",

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AU - Williams, Barry

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AB - The authors analyse a soft voltage-clamp to find a simple design procedure for optimising series-snubber and clamp reset-time circuits for a given voltage rise above the supply-rail. This analysis is applicable to other switches requiring voltage clamping rather than load-line tailoring, including MOSFETs. Their advantages of: reduced power dissipation over shunt-snubbers; current-dependent power dissipation, independent of supply-voltage; and absence of cross-current peaks in phase-legs are likely to promote continued usage

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EP - 180

BT - Third International Conference on Power Electronics and Variable-Speed Drives

PB - IET

CY - London, UK

T2 - Third International Conference on Power Electronics and Variable-Speed Drives

Y2 - 13 September 1988 through 15 September 1988

ER -

Optimising snubbers for high-current emitter-switched transistors

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