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FCS-MPC-Based Current Control of a Five-Phase Induction Motor and its Comparison with PI-PWM Control

Lim, CS, Levi, E, Jones, M, Abd Rahim, N and Hew, WP (2014) FCS-MPC-Based Current Control of a Five-Phase Induction Motor and its Comparison with PI-PWM Control. IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 61 (1). pp. 149-163. ISSN 0278-0046


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This paper presents an investigation of the finite-control-set model predictive control (FCS-MPC) of a five-phase induction motor drive. Specifically, performance with regard to different selections of inverter switching states is investigated. The motor is operated under rotor flux orientation, and both flux/torque producing (d-q) and nonflux/torque producing (x-y) currents are included into the quadratic cost function. The performance is evaluated on the basis of the primary plane, secondary plane, and phase (average) current ripples, across the full inverter's linear operating region under constant flux-torque operation. A secondary plane current ripple weighting factor is added in the cost function, and its impact on all the studied schemes is evaluated. Guidelines for the best switching state set and weighting factor selections are thus established. All the considerations are accompanied with both simulation and experimental results, which are further compared with the steady-state and transient performance of a proportional-integral pulsewidth modulation (PI-PWM)-based current control scheme. While a better transient performance is obtained with FCS-MPC, steady-state performance is always superior with PI-PWM control. It is argued that this is inevitable in multiphase drives in general, due to the existence of nonflux/torque producing current components. © 1982-2012 IEEE.

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering
Divisions: Electronics & Electrical Engineering (merged with Engineering 10 Aug 20)
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Date Deposited: 13 Aug 2014 14:15
Last Modified: 04 Sep 2021 14:49
URI: https://researchonline.ljmu.ac.uk/id/eprint/116
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