Carrier based PWM technique with over modulation strategies for a three-to-seven phase matrix converter

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Ahmed, Sk. Moin, Saleh, Mohammad, Iqbal, Atif, Abu-Rub, Haitham and Kalam, Akhtar ORCID: 0000-0002-5933-6380 (2011) Carrier based PWM technique with over modulation strategies for a three-to-seven phase matrix converter. In: AUPEC 2011 Australasian Universities Power Engineering Conference : integrating renewables into the grid, 25-28 Sept. Australasian Universities Power Engineering Conference, Brisbane.

Abstract

Pulse width modulation (PWM) technique is developed for a three to seven-phase matrix converter configuration for both linear and overmodulation region. The developed modulation technique is based the carrier-based technique. The concept of carrier based scheme of a three to three phase matrix converter is extended in this paper for controlling a three-phase to seven-phase matrix converter. Two techniques are proposed, one outputs 0.75 of the input magnitude and the output reaches 0.7694 of the input with the other method. This is the maximum value of the output voltage in the linear range that can be achieved in this configuration of the matrix converter. Input side over-modulation strategy of three to seven phase matrix converter is also analyzed resulting in the increase of 4.9% of the output voltage at the expense of introduction of low order harmonics in the input currents and output voltages. The viability of the proposed control techniques is proved using analytical, simulation and experimental approach.

Item type Book Section
URI https://vuir.vu.edu.au/id/eprint/9539
Official URL http://itee.uq.edu.au/~aupec/aupec%202011%20(E)/IE...
ISBN 9781921897078
Subjects Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Historical > FOR Classification > 0906 Electrical and Electronic Engineering
Historical > SEO Classification > 8599 Other Energy
Keywords ResPubID23244, seven-phase, multi-phase, offset duty ratio, input side overmodulation strategy, simulation, PWM, THD, carrier-based pulse width modulation technique, renewable energy
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