Simple Carrier-Based PWM Technique for a Three-to-Nine-Phase Direct AC-AC Converter

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Ahmed, Sk. Moin, Iqbal, Atif, Abu-Rub, Haitham, Rodriguez, Jose, Rojas, Christian and Saleh, Mohammad (2011) Simple Carrier-Based PWM Technique for a Three-to-Nine-Phase Direct AC-AC Converter. IEEE Transactions on Industrial Electronics, 58 (11). pp. 5014-5023. ISSN 0278-0046

Abstract

Multiphase (more than three phases) power electronic converters are required mainly for feeding variable-speed multiphase drive systems. This paper presents one such solution by using a direct ac–ac converter that can be used to supply a nine-phase drive system. The input is a fixed-voltage and fixedfrequency three-phase input, and the output is a variable-voltage and variable-frequency nine-phase output. A simple pulsewidthmodulation technique is developed for the proposed ac–ac converter named as a nonsquare three-to-nine-phase matrixconverter configuration. The developed modulation technique is based on the comparison of a high-frequency carrier signal with the duty ratios. Although the carrier-based scheme is widely employed for the control of back-to-back converters, it has recently been used for controlling a three-to-three-phase matrix converter. This concept is extended in this paper for controlling a threeto-nine-phase matrix converter. With the two techniques that are proposed, one outputs 0.75 of the input magnitude and the other outputs reach 0.762 of the input. This is the maximum value of the output voltage in the linear modulation range that can be achieved in this configuration of the matrix converter. The viability of the proposed control techniques is proved analytically through simulation and an experimental approach.

Item type Article
URI http://vuir.vu.edu.au/id/eprint/9178
Identification Number https://doi.org/10.1109/TIE.2011.2134062
Official URL http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arn...
Subjects Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Current > FOR Classification > 0906 Electrical and Electronic Engineering
Historical > SEO Classification > 8506 Energy Storage, Distribution and Supply
Keywords ResPubID23730, AC–AC converter, carrier-based pulsewidth modulation, PWM, matrix converter, multiphase, nine-phase
Citations in Scopus 63 - View on Scopus
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