On abolishing symmetry requirements in the formulation of a five-level selective harmonic elimination pulse-width modulation technique

M.S.A. Dahidah; V.G. Agelidis; M.V. Rao

doi:10.1109/TPEL.2006.883547

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On abolishing symmetry requirements in the formulation of a five-level selective harmonic elimination pulse-width modulation technique

Journal article

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On abolishing symmetry requirements in the formulation of a five-level selective harmonic elimination pulse-width modulation technique

M.S.A. Dahidah, V.G. Agelidis and M.V. Rao

IEEE Transactions on Power Electronics, Vol.21(6), pp.1833-1837

2006

DOI: https://doi.org/10.1109/TPEL.2006.883547

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Abstract

Selective harmonic elimination pulse width modulation (SHE-PWM) techniques offer a tight control of the harmonic spectrum of a given voltage waveform generated by a power electronic converter along with a low number of switching transitions. These optimal switching transitions can be calculated through Fourier theory, and for a number of years quarter-wave and half-wave symmetries have been assumed when formulating the problem. It was shown recently that symmetry requirements can be relaxed as a constraint. This changes the way the problem is formulated, and different solutions can be found without a compromise. This letter reports solutions to the switching transitions of a five-level SHE-PWM when both the quarter- and half-wave symmetry are abolished. Only the region of high-modulation indices is reported since the low-modulation indices region requires a unipolar waveform to be realized. Selected simulation and experimental results are reported to show the effectiveness of the proposed method.

Details

Title: On abolishing symmetry requirements in the formulation of a five-level selective harmonic elimination pulse-width modulation technique
Authors/Creators: M.S.A. Dahidah (Author/Creator)
V.G. Agelidis (Author/Creator) - Murdoch University
M.V. Rao (Author/Creator) - Multimedia University
Publication Details: IEEE Transactions on Power Electronics, Vol.21(6), pp.1833-1837
Publisher: IEEE
Identifiers: 991005544216807891
Copyright: 2006 IEEE
Murdoch Affiliation: School of Engineering Science
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 4 Electrical Engineering, Electronics & Computer Science; 4.18 Power Systems & Electric Vehicles; 4.18.101 Power Quality
Web Of Science research areas: Engineering, Electrical & Electronic
ESI research areas: Engineering