Online incremental inductance identification for reluctance synchronous motors

Matteo Berto*, Luigi Alberti, Floran Martin, Marko Hinkkanen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2 Citations (Scopus)
241 Downloads (Pure)

Abstract

The paper deals with the online incremental inductances estimation of a synchronous motor at low speeds using a high-frequency voltage injection. The control scheme is analogous to that used in position estimation algorithms, with the difference that the current control and the rotating voltage injection operate on the real dq axes. Thus a position sensor is required to apply this method. The corresponding current response is measured, filtered, and processed with an ellipse fitting technique. The estimated ellipse coefficients are then used to retrieve the incremental inductances online without the need of any post processing. A novel formulation to express the estimation error valid for other conventional signal injection techniques is presented. The method has been validated experimentally on a reluctance synchronous motor at locked rotor and during load and speed transients.
Original languageEnglish
Title of host publicationIECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society
PublisherIEEE
Number of pages6
ISBN (Electronic)978-1-6654-3554-3
ISBN (Print)978-1-6654-0256-9
DOIs
Publication statusPublished - 13 Nov 2021
MoE publication typeA4 Conference publication
EventAnnual Conference of the IEEE Industrial Electronics Society - Virtual, online, Toronto, Canada
Duration: 13 Oct 202116 Oct 2021
Conference number: 47
https://ieeeiecon.org/

Publication series

NameProceedings of the Annual Conference of the IEEE Industrial Electronics Society
ISSN (Electronic)2577-1647

Conference

ConferenceAnnual Conference of the IEEE Industrial Electronics Society
Abbreviated titleIECON
Country/TerritoryCanada
CityToronto
Period13/10/202116/10/2021
Internet address

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  • Matteo Berto

    Hinkkanen, M. (Host)

    1 Oct 202031 Jan 2021

    Activity: Hosting a visitor typesHosting an academic visitor

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