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Novel multilevel hybrid inverter topology with power scalability

Gurpinar, Emre; Castellazzi, Alberto

Authors

Emre Gurpinar

Alberto Castellazzi



Abstract

In this paper, a novel multilevel hybrid inverter is presented. The inverter is based on 2 floating capacitors and 16 active switches for five-level voltage waveform between the output of the inverter and neutral point of DC link. The proposed inverter structure, switching states and commutation scheme for different output voltage levels are presented. The proposed topology is simulated and verified experimentally. The simulation results show that proposed topology can achieve higher efficiency in comparison to state-of-the-art hybrid topologies due to reduced conduction and switching losses at low modulation index and light load conditions. Experimental results show that the converter is successfully operated up to 1 kV DC link voltage and 12 kW output power.

Citation

Gurpinar, E., & Castellazzi, A. (2016). Novel multilevel hybrid inverter topology with power scalability. In IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society. https://doi.org/10.1109/IECON.2016.7793221

Conference Name 42nd Annual Conference of the IEEE Industrial Electronics Society (IECON 2016)
Start Date Oct 23, 2016
End Date Oct 26, 2016
Acceptance Date Jun 25, 2016
Publication Date Dec 22, 2016
Deposit Date Aug 15, 2016
Publicly Available Date Dec 22, 2016
Peer Reviewed Peer Reviewed
Book Title IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society
ISBN 978-1-5090-3474-1
DOI https://doi.org/10.1109/IECON.2016.7793221
Keywords Renewable energy, single-phase inverters, ANPC, active neutral point clamped inverter, stacked multicell converter, SMC, hybrid multilevel inverter
Public URL http://eprints.nottingham.ac.uk/id/eprint/35839
Publisher URL http://www.iecon2016.org/
Additional Information © 2016 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.

Published in: Proceedings of the 42nd Annual Conference of the IEEE Industrial Electronics Society (IECON 2016) pp. 6516-6521. ISBN 9781509034741. doi:10.1109/IECON.2016.7793221

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