Fatma A. Khera
Modeling and experimental evaluation of z-source modular multilevel converter using reduced inserted cells technique
Khera, Fatma A.; Klumpner, Christian; Wheeler, Pat
Authors
Dr CHRISTIAN KLUMPNER CHRISTIAN.KLUMPNER@NOTTINGHAM.AC.UK
Associate Professor
Professor PATRICK WHEELER pat.wheeler@nottingham.ac.uk
Professor of Power Electronic Systems
Abstract
The integration of a Z-source network with a modular multilevel converter (MMC) to provide voltage step-up function is proposed in this paper. The proposed Z-source modular multilevel converter (ZS-MMC) uses a Z-source network connected between the DC source and the DC-link terminals of the MMC. The operation principle of the ZS-MMC is presented utilising the reduced inserted cells (RICs) modulation technique. Compared to the quasi ZS-MMC previously developed by the authors, the ZS-MMC has small fundamental frequency component in the ZS inductor current which requires a smaller inductor size for the Z-source network and is also more efficient. The ZS-MMC is compared to other topologies that can accomplish buck and boost capabilities, such as the quasi Z-source MMC, the quasi Z-source cascaded multilevel converter and the full-bridge based MMC, to validate the viability of the proposed converter. The operation of the ZS-MMC employing the RICs technique is confirmed experimentally.
Citation
Khera, F. A., Klumpner, C., & Wheeler, P. (2021). Modeling and experimental evaluation of z-source modular multilevel converter using reduced inserted cells technique. IEEE Access, 9, 133091-133101. https://doi.org/10.1109/ACCESS.2021.3115634
| Journal Article Type | Article |
|---|---|
| Acceptance Date | Sep 20, 2021 |
| Online Publication Date | Sep 24, 2021 |
| Publication Date | 2021 |
| Deposit Date | Dec 16, 2021 |
| Publicly Available Date | Dec 16, 2021 |
| Journal | IEEE Access |
| Electronic ISSN | 2169-3536 |
| Publisher | Institute of Electrical and Electronics Engineers |
| Peer Reviewed | Peer Reviewed |
| Volume | 9 |
| Pages | 133091-133101 |
| DOI | https://doi.org/10.1109/ACCESS.2021.3115634 |
| Keywords | General Engineering; General Materials Science; General Computer Science |
| Public URL | https://nottingham-repository.worktribe.com/output/7020118 |
| Publisher URL | https://ieeexplore.ieee.org/document/9548095 |
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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