Sensorless flux observer-based fault detection of induction machines

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Abstract

In this paper, we introduce a strategy for the design of a sensorless flux observer-based fault detection system for use with induction motors. To synthesise the flux observer for this machine, we use a third order model for induction machines expressed in term of complex differential equations. Since the equation of the rotor speed of the induction motor is complicated to analyse, we replace it by its behavioural model for the design of the flux observer. Moreover, we use the synthesised observer in order to investigate the effects of two common types of faults (i.e. voltage sag and the stator inter-turn short-circuit) that can occur in these machines. The validity of the proposed methodology is assessed via simulation results using a model of the induction motor.

Original languageEnglish
Title of host publicationProceedings of the 2018 5th International Symposium on Environment-Friendly Energies and Applications, EFEA 2018
EditorsEzio Santini, Stefano Di Gennaro, Claudio Bruzzese
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538655177
ISBN (Print)9781538655184
DOIs
Publication statusPublished - 21 Jan 2019
Event5th International Symposium on Environment-Friendly Energies and Applications, EFEA 2018 - Rome, Italy
Duration: 24 Sep 201826 Sep 2018

Conference

Conference5th International Symposium on Environment-Friendly Energies and Applications, EFEA 2018
CountryItaly
CityRome
Period24/09/1826/09/18

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