A residual current-based indicator for early detection of stator winding faults in synchronous reluctance machines
1
Department of Mechanical Engineering, Faculty of Technology, University of El Oued, El Oued, 39000, Algeria
2
UDERZA Unit, Faculty of Technology, University of El Oued, El Oued, 39000, Algeria
3
CISE – Electromechatronic Systems Research Centre, University of Beira Interior, Covilhã, Portugal
4
LPMRN Laboratory, Department of Electromechanical Engineering, University Mohamed El Bachir El Ibrahimi of Bordj Bou Arreridj, El-Anasser, Bordj Bou Arreridj, 34030, Algeria
5
LABGET Laboratory, Department of Electrical Engineering, Faculty of Sciences and Technology, University of Tebessa, Tebessa, 12002, Algeria
Submission date: 2025-08-17
Final revision date: 2026-03-10
Acceptance date: 2026-03-12
Online publication date: 2026-03-17
Publication date: 2026-03-17
Corresponding author
Souhaib Remha
Department of Mechanical Engineering, Faculty of Technology, University of El Oued, El Oued, 39000, Algeria
Department of Mechanical Engineering, Faculty of Technology, University of El Oued, El Oued, 39000, Algeria
KEYWORDS
HarmonicsSynchronous Reluctance Machine (SynRM)Inter-Turn Short-Circuit Fault (ITSCF)Fault Detection Indicator
TOPICS
ABSTRACT
In the last decades, the on-line detection of incipient short-circuit faults for electrical machines has been a major challenge, particularly in closed-loop conditions. It is found in the literature that the 2nd harmonics in both dq-axis currents were used for fault detection, and the main advantage would be that the inter-turn short-circuit (ITSC) winding fault with a few short turns can be detected, the instantaneous electromagnetic torque (Te) is the only indicator that combines fault information in d-and q-axis currents. It has been shown that Te may be influenced by the model parameter, The main contribution of this work would suggest as well as validates a new ITSCF detection indicator that combines the fault information present in the remnant of the difference between the dq measurement currents and the dq reference. Simulation validation shows that the detection approach is efficient with lower intensities and low speed as well as strength against transients.
FUNDING
The source of funding should be indicated if the article was written as part of a research project. Optionally, you can insert: This research received no external funding.
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