Online interturn short-circuit fault diagnosis in induction motors operating under unbalanced supply voltage and load variations, using the STLSP technique

A Alloui, K Laadjal, M Sahraoui… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
It is well known that the most common reason for electrical machines breakdown is the stator
windings' fault occurrence. Indeed, this type of fault represents almost 40% of faults …

Online diagnosis and discrimination of stator faults in six-phase induction motors based on voltage symmetrical components

K Laadjal, HRP Antunes, M Sahraoui… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
In recent years, multiphase machines have been presented as a good alternative to the
classical three-phase machines, mainly due to their ability to operate smoothly under fault …

A novel indicator-based online diagnostics technique of interturn short-circuit faults in synchronous reluctance machines

K Laadjal, F Bento, K Henriques… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
In recent years, the adoption of synchronous reluctance machine (SynRM) drives for safety-
critical equipment has witnessed notorious growth. The difficulties inherent to monitoring …

[HTML][HTML] Stator Faults Detection in Asymmetrical Six-Phase Induction Motor Drives with Single and Dual Isolated Neutral Point, Adopting a Model Predictive Controller

K Laadjal, J Serra, AJM Cardoso - Machines, 2023 - mdpi.com
Multiphase drives have been presented as potential replacements for conventional three-
phase machines, primarily because of their propensity to operate faultlessly. Due to the …

[HTML][HTML] Three-phase induction motors online protection against unbalanced supply voltages

K Laadjal, M Sahraoui, A Alloui, AJM Cardoso - Machines, 2021 - mdpi.com
Three-phase induction motors (IMs) are the main workhorse in industry due to their many
advantages as compared to other types of industrial motors. However, the efficiency and …

Fault diagnosis in yaw drive induction motor for wind turbine

A Ouanas, A Medoued, M Mordjaoui… - Wind …, 2018 - journals.sagepub.com
Wind turbines are widely exploited throughout the world. The availability and reliability of
offshore wind turbines are asking to impose a constant maintenance strategy. In this work …

A novel stator faults indicator in three-phase induction motors, based on voltage and impedance symmetrical components

K Laadjal, AJM Cardoso, M Sahraoui… - IECON 2022–48th …, 2022 - ieeexplore.ieee.org
A novel online inter-turn short circuit (ITSC) fault and Unbalance Supply Voltage (USV)
detection system is to be introduced and tested. The proposed indicators, which are based …

Assessment of Three-Phase induction Motor Voltages Using Smartphone Acoustic Data

GB Lucas, BA de Castro, JL Cuesta… - 2023 15th IEEE …, 2023 - ieeexplore.ieee.org
Three-phase induction motors (TIMs) are the main source of mechanical energy in
industries. Due to the advent of voltage inverters and advances in power electronics, these …