Wound rotor synchronous machine current estimation using a linear Luenberger observer

Eull, Michael and Parker, Max and Preindl, Matthias; (2022) Wound rotor synchronous machine current estimation using a linear Luenberger observer. In: 2022 IEEE Transportation Electrification Conference & Expo (ITEC). IEEE, USA, pp. 427-432. ISBN 9781665405607 (https://doi.org/10.1109/itec53557.2022.9814015)

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Abstract

Electrified transportation is a cornerstone of global decarbonization plans. However, high costs remain an obstacle. To address this, research has been undertaken to remove sensors and replace them with software. Simultaneously, with the volatility in pricing and supply of rare-earth magnets, alternatives to the permanent magnet synchronous machine are being sought. With fundamentally similar performance and the benefit of a controllable flux, the wound rotor synchronous machine is a promising alternative. This paper presents a linear Luenberger observer using the model incorporating rotor flux dynamics and nameplate parameters. It is shown that the wound rotor synchronous machine is observable with only one current sensor, either on the rotor or the stator. However, to overcome parameter error issues, a minimum of one current sensor on the rotor and one on the stator is deemed necessary to provide corrective integral feedback. Simulation results demonstrate that the designed observer can accurately estimate the rotor and stator currents in the presence of model error with the minimum sensor complement during transient and steady state operation.

  • Item type:Book Section
    ID code:81564
    Dates:
    Date
    Event
    7 July 2022
    Published
    15 June 2022
    Published Online
    28 February 2022
    Accepted
    Notes:© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:25 Jul 2022 14:45
    Last modified:08 Apr 2024 14:16
    URI:https://strathprints.strath.ac.uk/id/eprint/81564
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