An efficiency estimation method for inverter fed induction motors

Johnny W. Rengifo, Jose M. Aller

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

1 Scopus citations

Abstract

This paper presents an efficiency estimation method for inverter-fed induction motors using a rotor currents observer. A recursive linear combination of stator currents and previous rotor currents' values are used to calculate the currents. The deep-bar model machine parameters are estimated from a no-load motor start-up transient instantaneous impedance. During the efficiency estimation process, the algorithm requires the stator current measurement and the machine parameters. The proposed methodology was experimentally validated using an induction motor with a load ranged between 30% to 105%. The results are compared with the IEC600-34-2-2013-TS, with a deviation of 0.5% for the worst case. This performance demonstrates the application of the methodology in in-situ applications.

Original languageEnglish
Title of host publicationProceedings - 2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis, WEMDCD 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages22-27
Number of pages6
ISBN (Electronic)9781728176154
DOIs
StatePublished - 8 Apr 2021
Event2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis, WEMDCD 2021 - Virtual, Modena, Italy
Duration: 8 Apr 20219 Apr 2021

Publication series

NameProceedings - 2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis, WEMDCD 2021

Conference

Conference2021 IEEE Workshop on Electrical Machines Design, Control and Diagnosis, WEMDCD 2021
Country/TerritoryItaly
CityVirtual, Modena
Period8/04/219/04/21

Bibliographical note

Funding Information:
This work was supported in part by Facultad de Ingeniería en Electricidad y Computación, Escuela Superior del Litoral, Guayaquil, Ecuador and in part by Universidad Politécnica Salesiana, Sede Cuenca, Ecuador.

Publisher Copyright:
© 2021 IEEE.

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