Gate drive level intelligence and current sensing for matrixconverter current commutation
Wheeler, P.W.
Clare, J.C.
Empringharn, L.
Bland, M.
Apap, M.
Sch. of Electr. & Electron. Eng., Nottingham Univ.;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Apr 2002
Volume: 49,
Issue: 2
On page(s): 382-389
ISSN: 0278-0046
References Cited: 10
CODEN: ITIED6
INSPEC Accession Number: 7232985
Digital Object Identifier: 10.1109/41.993271
Current Version Published: 2002-08-07
Abstract
This paper is concerned with the process of current commutation in
matrix converters. The mechanisms involved in the commutation process
are described and practical waveforms are presented. A novel commutation
strategy is described that uses gate drive level intelligence in the
form of a field-programmable gate array. Current direction is determined
using device voltages and, therefore, the measurement problems
associated with all other commutation methods are overcome. Practical
results from an 18-kW matrix converter induction motor drive are
presented
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