Article : [99ART152]

Titre : L. EMPRIGHAM, P.W. WHEELER, J. CLARE, Bi-Directional Switch Commutation for Matrix Converters, EPE'99.

Cité dans :[99DIV076] EPE'99, European Conference on Power Electronics and Applications, Lausanne, Suisse, 7-9 septembre 1999.
Cité dans : [PAP050]  WHEELER P.W., The matrix converter-future possibilities.,  IEE Colloquium on Update on New Power Electronic Techniques, London, UK, 23 May 1997.

Adresse : Power Electronics, Machines and Control Group - School of Electrical and Electronic Engineering - University of Nottingham - Nottingham, United Kingdom
Lien : mailto:le@eee.nott.ac.uk
Lien : mailto:pat.wheeler@nottingham.ac.uk
Lien : mailto:jon.clare@.nottingham.ac.uk
Site : http://www.eee.nott.ac.uk/power
Lien : private/PP409.pdf - 240 Kb.

We would like to thank John McCleod of Honeywell-Elm Ltd., Semikron(UK) Ltd. and EPSRC (grant no. 96300732) for their support.

Keywords : Matrix Converters, Converter Circuits, Drives.

Abstract :

This paper deals with the problem of current commutation in matrix converters. Existing strategies are
reviewed. An improved implementation of a semi-soft snubberless commutation method is presented.
This method employs current detection within intelligent gate drive circuits for each hi-directional
cell. Each cell communicates with the other cells to provide accurate current direction information.
The problems with other methods at low currents are overcome. Experimental results verifying the
method are presented.

Références : 13

  [1] :  [PAP097]  M. VENTURINI, New sine wave in, sine wave out conversion technique eliminates reactive elements, Powercon 7, pp E3.1-E3.15, march 1980.
  [2] :  [PAP098]  M. VENTURINI, A. ALESINA, The generalised transformer:  a new bidirectional, sinusoidal waveform frequency converter with continuously adjustable input power factor, PESC'80, June 1980, pp. 242-252.

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