Short-circuit fault-tolerant control for five-phase fault-tolerant permanent magnet motors with trapezoidal back-EMF [PDF]
Fundamental Research, 2022 When a short-circuit fault occurs in a phase, the faulty phase needs to be removed artificially from the system because of the loss of the capability to generate torque.
Qian Chen +4 more
doaj +2 more sources
Induction Motor Stator Winding Inter-Tern Short Circuit Fault Detection Based on Start-Up Current Envelope Energy [PDF]
Sensors (Basel), 2023 Inter-turn short circuit (ITSC) is a common fault in induction motors. However, it is challenging to detect the early stage of ITSC fault. To address this issue, this paper proposes an ITSC fault detection method for three-phase induction motors based on
Yuanzhi Deng +7 more
core +2 more sources
Multiscale Kernel-Based Residual CNN for Estimation of Inter-Turn Short Circuit Fault in PMSM [PDF]
Sensors (Basel), 2022 The diagnosis of an inter-turn short circuit (ITSC) fault at its early stage is very important in permanent magnet synchronous motors as these faults can lead to disastrous results.
Lai, Wuxuan +7 more
core +2 more sources
Investigation on Stator Winding Inter-turns Short Circuit Fault Diagnosis
Journal of Harbin University of Science and Technology, 2018 On the basis of negative sequence current generation mechanism analysis of synchronous generator stator winding inter-turns short circuit，the method of detecting and diagnosing synchronous generator stator winding inter-turns short circuit is proposed ...
ZHAO Hong-sen +4 more
doaj +2 more sources
A change-detection algorithm for short-circuit fault detection in closed-loop AC drives [PDF]
, 2013 This paper deals with an on-line method for turn-to-turn short-circuit fault detection in low-voltage permanent-magnet synchronous machine drives. Due to the closed-loop control, the fault effects are reflected in the voltage.
Johan Gyselinck +10 more
core +1 more source
Fault-Tolerant Operation of an Open-End Winding Five-Phase PMSM Drive with Inverter Faults [PDF]
, 2013 The authors would like to thank the ADEME for the funding of the MHYGALE project.Multi-phase machines are known for their fault-tolerant capability. However, star-connected machines have no fault tolerance to inverter switch short-circuit fault.
NGUYEN, Ngac Ky +10 more
core +1 more source
Research on a fault current limiter based on variable reactor
Zhejiang dianli, 2022 With the increase of the power load in power grid， the short circuit level continues to rise， and excessive short-circuit current will do great damage to power equipment and imperil power systems.
GU Yu +3 more
doaj +1 more source
Analytical Optimal Currents for Multiphase PMSMs Under Fault Conditions and Saturation [PDF]
, 2014 An original analytical expression is presented in this paper to obtain optimal currents minimizing the copper losses of a multi-phase Permanent Magnet Synchronous Motor (PMSM) under fault conditions.
NGUYEN, Ngac Ky +8 more
core +1 more source
Energy Reports, 2022 Rotor winding short circuit is a frequent fault type of generator unit. Compared with the traditional fixed-speed unit using DC excitation, the three-phase AC excitation structure of the variable speed pumped storage unit is more complicated, and the ...
Qinghui Lu +5 more
doaj +1 more source
Symmetrical Loss of Excitation Fault Diagnosis in an Asynchronized High-Voltage Generator
Energies, 2018 As a new type of generator, an asynchronized high-voltage generator has the characteristics of an asynchronous generator and high voltage generator. The effect of the loss of an excitation fault for an asynchronized high-voltage generator and its fault ...
Yanling Lv +4 more
doaj +1 more source