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Space vector pulse-width modulation technique for an eleven-phase voltage source inverter with sinusoidal output voltage generation

Moinoddin, S and Abu-Rub, H and Iqbal, A and Ahmed, SM and Dordevic, O and Levi, E (2015) Space vector pulse-width modulation technique for an eleven-phase voltage source inverter with sinusoidal output voltage generation. IET POWER ELECTRONICS, 8 (6). pp. 1000-1008. ISSN 1755-4535

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Abstract

This paper discusses the space vector pulse width modulation (SVPWM) scheme for an eleven-phase two-level voltage source inverter (VSI), aimed at producing a sinusoidal output voltage waveform. Generalised space vector theory is used to realise the SVPWM. As per the general inverter switching theory, there are 211 = 2048 switching states that yield 2046 active voltage space vectors and one zero voltage vector, which results with two switching states. Out of the total of 2046 active voltage vectors, the most suitable set comprising 110 active voltage vectors is identified and is utilised in the implementation of the SVPWM. The sinusoidal voltage is obtained by controlling the duty cycles of the applied voltage space vectors in such a way that the non-zero reference voltage in the first (d-q) plane is achieved, while simultaneously zeroing the average voltage in the other four (x-y) planes in accordance with the zero references. The theoretical results are verified by experimentation using a passive resistive-inductive load. Finally, experimentally obtained THD values of the phase voltage and current for the eleven-phase SVPWM are compared with the corresponding values obtained using SVPWM for other odd phase numbers.

Keywords: Eleven-phase system, Multi-phase drives, Space vector PWM, Voltage source inverter

Item Type: Article
Uncontrolled Keywords: 0906 Electrical And Electronic Engineering
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering
Divisions: Electronics and Electrical Engineering
Publisher: INST ENGINEERING TECHNOLOGY-IET
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Date Deposited: 13 Nov 2015 14:38
Last Modified: 13 Nov 2015 14:38
DOI or Identification number: 10.1049/iet-pel.2014.0327
URI: http://researchonline.ljmu.ac.uk/id/eprint/1908

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