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TitleA microcontroller based voltage space vector modulator suitable for induction motor drives
Author(s)Minas, Graça
Martins, Júlio S.
Couto, Carlos
KeywordsMotor drives
Space vector modulator
Issue dateJul-1999
CitationIEEE CONFERENCE - "Proceedings", 1999. ISBN 0-7803-5662-4. p. 469-473.
Abstract(s)Pulse width modulation techniques (PWM), introduced two decades ago, are the most used methods to control the voltage and frequency supplied to electrical AC machines. This paper describes a pulse width modulator based on the voltage space vectors technique that accepts voltage demands in dq coordinates and generates three phase PWM waveforms to drive a variable frequency voltage source inverter. A scheme based on a high performance 16 bit standard microcontroller with minimum of additional hardware is used, which allows a flexible and economical solution. The output frequency of the modulator can be varied in a large range and with a good resolution. Experimental data obtained from an induction motor drive will be presented.
TypeConference paper
AccessOpen access
Appears in Collections:DEI - Artigos em atas de congressos internacionais

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