A New Basic Unit for Symmetric and Asymmetric Cascaded Multilevel Inverters with Reduced Power Electronic Devices

Sarbanzadeh, Maryam; Hosseinzadeh, Mohammad Ali; Babaei, Ebrahim; Rivera, Marco; Wheeler, Patrick

Abstract

© 2019 IEEE. In this paper, a new basic unit for the cascaded multilevel inverter is proposed. By series-connected numbers of the proposed basic unit, a new cascaded multilevel inverter is also proposed. In order to generate all (even and odd) voltage levels two new algorithms to determine the magnitude of dc voltage sources are proposed. Then, this inverter is compared with several conventional cascaded multilevel inverters that have been presented in the literature. Based on these comparisons, the proposed inverter is able to generate a higher number of output levels by using a lower number of power electronic devices, dc voltage sources and minimum variety of the value of dc voltage sources. As a result, high efficiency, reducing the size and cost of the inverter is the other advantages of the proposed inverter. Finally, the accuracy performance of the proposed cascaded inverter to generate all voltage levels is verified through experimental results on a 49-level inverter in a laboratory prototype.

Citation

Sarbanzadeh, M., Hosseinzadeh, M. A., Babaei, E., Rivera, M., & Wheeler, P. (2019, June). A New Basic Unit for Symmetric and Asymmetric Cascaded Multilevel Inverters with Reduced Power Electronic Devices. Presented at 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), Vancouver, BC, Canada

• Presentation Conference Type: Edited Proceedings
• Conference Name: 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE)
• Start Date: Jun 12, 2019
• End Date: Jun 14, 2019
• Acceptance Date: Apr 3, 2019
• Online Publication Date: Aug 1, 2019
• Publication Date: Jun 12, 2019
• Deposit Date: Oct 22, 2019
• Publicly Available Date: Oct 28, 2019
• Publisher: Institute of Electrical and Electronics Engineers
• Book Title: Proceedings: 2019 IEEE 28th International Symposium on Industrial Electronics
• ISBN: 9781728136660
• DOI: https://doi.org/10.1109/isie.2019.8781476
• Keywords: Basic unit; Multilevel inverters; Cascaded multilevel inverter; Power electronic devices
• Public URL: https://nottingham-repository.worktribe.com/output/2905530
• Publisher URL: https://ieeexplore.ieee.org/document/8781476
• Contract Date: Oct 22, 2019