Performance of the Stator Winding Fault Diagnosis in Sensorless Induction Motor Drive

Grzegorz Tarchała and Marcin Wolkiewicz
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Grzegorz Tarchała: Department of Electrical Drives and Measurements, Wrocław University of Science and Technology, 50-370 Wrocław, Poland
Marcin Wolkiewicz: Department of Electrical Drives and Measurements, Wrocław University of Science and Technology, 50-370 Wrocław, Poland

Energies, 2019, vol. 12, issue 8, 1-20

Abstract: This paper deals with the diagnosis of stator winding inter-turn faults for an induction motor drive operating without a speed sensor in a speed-sensorless mode. The rotor direct field oriented control structure (DFOC) was applied, its reference current and voltage component values were analyzed, and their selected harmonics were applied as effective fault indicators. To ensure robust speed estimation, a sliding mode model reference adaptive system (SM-MRAS) estimator was selected. The influence of load torque, reference speed, proportional-integral (PI) controller parameters, and short-circuit current on fault diagnosis and speed estimation performance was verified. Experimental test results obtained for a 3 kW induction motor drive are included.

Keywords: fault diagnosis; induction motor drive; sensorless operation; sliding mode estimator; stator winding faults (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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