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Saturated VSD model of a six-phase induction machine

Levi, E, Brkovic, B, Jecmenica, M and Lazarevic, Z Saturated VSD model of a six-phase induction machine. IET Electric Power Applications. ISSN 1350-2352 (Accepted)

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Abstract

In this paper, a saturated model of an asymmetrical six-phase induction machine is presented. The model is based on the vector space decomposition approach, and it includes main and leakage flux saturation, as well as the mutual coupling between orthogonal planes, while using the Gamma equivalent circuit approach. The accuracy of the proposed model in unbalanced operating modes that are characteristic for multiphase machines, such as post-fault and power sharing operation, makes it advantageous compared to existing models. The model is developed assuming that the machine operates in asymmetrical conditions and that, therefore, there is fundamental frequency excitation in both planes. The inter-plane coupling effect is examined using finite element analysis and an experimental procedure for its quantification is developed. The model is verified by comparison with the experimental results obtained from a prototype asymmetrical six-phase induction machine, and its advantages compared to existing models are emphasized.

Item Type: Article
Additional Information: This paper is a postprint of a paper submitted to and accepted for publication in IET Electric Power Applications and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at the IET Digital Library.
Uncontrolled Keywords: 0906 Electrical and Electronic Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics. Nuclear engineering
Divisions: Engineering
Publisher: Institution of Engineering and Technology (IET)
Date Deposited: 23 Oct 2020 09:06
Last Modified: 23 Oct 2020 09:15
URI: https://researchonline.ljmu.ac.uk/id/eprint/13891

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