New modulation scheme for bidirectional quasi z-source modular multilevel converters

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Khera, Fatma, Klumpner, Christian and Wheeler, Patrick (2018) New modulation scheme for bidirectional quasi z-source modular multilevel converters. In: 9th International Conference on Power Electronics, Machines and Drives, 17-19 April 2018, Liverpool, UK.

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Abstract

This paper proposes a dedicated modulation scheme for a bidirectional quasi Z-source modular multilevel converter (BqZS-MMC). The operation principle and a suitable PWM method are proposed. The relation between the modulation index and shoot-through duty ratio is derived. A formula for calculating the required value of quasi Z-source capacitance is given. The simulation results presented in the paper validate the operation and the performance of the proposed topology.

Item Type: Conference or Workshop Item (Paper)
Keywords: Quasi Z-source; Modular multilevel converter
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Related URLs:
URLURL Type
https://events.theiet.org/pemd/UNSPECIFIED
Depositing User: Klumpner, Dr Christian
Date Deposited: 30 Jan 2018 14:37
Last Modified: 08 May 2020 11:30
URI: https://eprints.nottingham.ac.uk/id/eprint/49431

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