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A new multilevel voltage source inverter configuration with minimum number of circuit elements

Lookup NU author(s): Yahya Naderi ZarnaghiORCiD

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Abstract

An advanced configuration for multilevel voltage source converters is proposed. The proposed converter is able to apply asymmetrical DC sources. The configuration of the proposed inverter is well designed in order to provide the maximum number of voltage levels in output terminals using lower number of circuit devices. The authority of the proposed inverter versus the conventional H-bridge cascaded inverter and the most recently introduced ones, is verified with a provided comparison study. The proposed inverter is able to generate the desired voltage levels using a lower number of circuit devices including power semi-conductor switches, IGBTs, diodes, related gate driver circuits of switches and DC voltage sources. As a result, the total cost and installation area are considerably reduced and the control scheme gets simpler. To confirm the feasibility of the proposed multilevel structure, both the simulation and experimental results are provided and compared which shows good agreements.

Publication metadata

Author(s): Jannati oskoui Mohammadreza, Karimi Masoumeh, Naderi Zarnaghi Yahya, Najafi Ravadanagh sajjad, Hosseini Hossein

Publication type: Article

Publication status: Published

Journal: Journal of Central South University

Year: 2017

Volume: 24

Issue: 4

Pages: 912-920

Print publication date: 01/04/2017

Online publication date: 06/05/2017

Acceptance date: 01/04/2017

ISSN (print): 2095-2899

ISSN (electronic): 2227-5223

Publisher: Springer

URL: https://doi.org/10.1007/s11771-017-3493-x

DOI: 10.1007/s11771-017-3493-x

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