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Operation of a Six-Phase Induction Machine Using Series-Connected Machine-Side Converters

Che, HS and Levi, E and Jones, M and Duran, MJ and Hew, W-P and Abd Rahim, N (2014) Operation of a Six-Phase Induction Machine Using Series-Connected Machine-Side Converters. IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 61 (1). pp. 164-176. ISSN 0278-0046

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Abstract

This paper discusses the operation of a multiphase system, which is aimed at both variable-speed drive and generating (e.g., wind energy) applications, using back-to-back converter structure with dual three-phase machine-side converters. In the studied topology, an asymmetrical six-phase induction machine is controlled using two three-phase two-level voltage source converters connected in series to form a cascaded dc link. The suggested configuration is analyzed, and a method for dc-link midpoint voltage balancing is developed. Voltage balancing is based on the use of additional degrees of freedom that exist in multiphase machines and represents entirely new utilization of these degrees. The validity of the topology and its control is verified by simulation and experimental results on a laboratory-scale prototype, thus proving that it is possible to achieve satisfactory dc-link voltage control under various operating scenarios. © 1982-2012 IEEE.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering
Divisions: Electronics and Electrical Engineering
Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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Date Deposited: 13 Aug 2014 14:17
Last Modified: 10 Oct 2014 14:40
URI: http://researchonline.ljmu.ac.uk/id/eprint/117

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