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Quasi Z-source NPC inverter for PV application

Effah, Francis Boafo; Wheeler, Patrick; Watson, Alan J.; Clare, Jon C.

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Francis Boafo Effah

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Professor of Power Electronics


This paper presents the operating principles and modified space vector modulation strategy for a three-phase quasi Z-source neutral point clamped inverter for solar photovoltaic applications. This topology combines the advantages of the neutral point clamped and quasi Z-source inverters. These advantages include single-stage buck-boost power conversion, continuous input current, and low voltage stress of switches. Simulation results are presented to verify the presented concepts.


Effah, F. B., Wheeler, P., Watson, A. J., & Clare, J. C. (2017). Quasi Z-source NPC inverter for PV application. In Proceedings of 2017 IEEE PES PowerAfrica (153-158).

Conference Name 2017 IEEE PES-IAS PowerAfrica Conference: Harnessing Energy, Information and Communications Technology (ICT) for Affordable Electrification of Africa, PowerAfrica 2017
Conference Location Accra, Greece
Start Date Jun 27, 2017
End Date Jun 30, 2017
Acceptance Date Mar 31, 2017
Online Publication Date Jul 27, 2017
Publication Date 2017
Deposit Date Mar 21, 2018
Publicly Available Date Mar 21, 2018
Peer Reviewed Peer Reviewed
Pages 153-158
Book Title Proceedings of 2017 IEEE PES PowerAfrica
ISBN 978-1-5090-4747-5
Keywords Buck-boost; Quasi Z-source network; Single-stage; Neutral point clamped; Space vector modulation
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Additional Information © 2017 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 2017 IEEE PES-IAS PowerAfrica Conference proceedings ISBN 9781509047468


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