Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/141630
Title: A universal formulation for multilevel selective-harmonic-eliminated PWM with half-wave symmetry
Authors: Pérez-Basante, Angel
Ceballos, Salvador
Konstantinou, Georgios
Pou, Josep
Kortabarria, Iñigo
de Alegría, Iñigo Martínez
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Pérez-Basante, A., Ceballos, S., Konstantinou, G., Pou, J., Kortabarria, I., & de Alegría, I. M. (2019). A universal formulation for multilevel selective-harmonic-eliminated PWM with half-wave symmetry. IEEE Transactions on Power Electronics, 34(1), 943-957. doi:10.1109/TPEL.2018.2819724
Journal: IEEE Transactions on Power Electronics
Abstract: Selective-harmonic-eliminated pulsewidth modulation (SHE-PWM) can be utilized to improve the efficiency of multilevel voltage-source converters due to its ability to provide low switching frequency and tight control of low-order harmonics. In addition, SHE-PWM with half-wave (HW) symmetry provides a higher number of solutions than quarter-wave (QW) symmetry, and therefore, the waveform design can be improved. This work proposes a universal formulation, which can be utilized with HW symmetry, that provides a unique system of equations valid for any possible multilevel waveform. Thereby, without using predefined waveforms, this formulation provides the ability to search simultaneously both the firing angles and the switching patterns, simplifying significantly the search process and providing a high number of solutions. With the aim of selecting the optimum sets of firing angles, the solutions provided by HW and QW symmetries are compared, based on several metrics of harmonic performance, for particular test cases. Experimental results also validate the universal formulation with HW symmetry.
URI: https://hdl.handle.net/10356/141630
ISSN: 0885-8993
DOI: 10.1109/TPEL.2018.2819724
Rights: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: https://doi.org/10.1109/TPEL.2018.2819724.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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