Harmonic quality of multilevel cascade inverters with random carrier phase pulse width modulation

Sernia, Paul & Walker, Geoffrey R. (2004) Harmonic quality of multilevel cascade inverters with random carrier phase pulse width modulation. In Australasian Universities Power Engineering Conference (AUPEC 2004), 26-29 September 2004, University of Queensland, Brisbane, Australia.


The output harmonic quality of N series connected full-bridge dc-ac inverters is investigated. The inverters are pulse width modulated using a common reference signal but randomly phased carrier signals. Through analysis and simulation, probability distributions for inverter output harmonics and vector representations of N carrier phases are combined and assessed. It is concluded that a low total harmonic distortion is most likely to occur and will decrease further as N increases.

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ID Code: 63560
Item Type: Conference Paper
Refereed: Yes
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 [please consult the authors]
Deposited On: 12 Dec 2014 01:26
Last Modified: 22 Jun 2017 14:46

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