Results 1 to 10 of about 29,567 (212)

Detection, Discrimination, and Localization of Rotor Winding Faults in Doubly Fed Induction Generators Using a Three-Layer ZSC–CASI–CADI Framework [PDF]

open access: yesSensors
Reliable detection of the rotor winding faults in the doubly fed induction generator (DFIG) is crucial for the resilience of the variable speed energy systems.
Muhammad Shahzad Aziz   +4 more
doaj   +2 more sources

Performance Comparison of Conventional Synchronous Reluctance Machines and PM-Assisted Types with Combined Star–Delta Winding [PDF]

open access: yesEnergies, 2017
This paper compares four prototype Synchronous Reluctance Motors (SynRMs) having an identical geometry of iron lamination stacks in the stator and rotor.
Mohamed Nabil Fathy Ibrahim   +2 more
doaj   +4 more sources

Dynamic Behavior Analysis of the Winding Rotor with Structural Coupling and Time-Frequency Varying Parameters: Simulation and Measurement

open access: yesApplied Sciences, 2021
To satisfy the requirements of high speed, large capacity and constant winding, a textile winding rotor needs to work in a wide rotation speed range and frequently pass through critical speed points. Thus, the winding rotor adopts the flexible long shaft
Xunxun Ma   +5 more
doaj   +1 more source

Brushless Wound Rotor Vernier Motor Using Single-Phase Additional Winding on Stator for Variable Speed Applications

open access: yesIEEE Access, 2023
This paper introduces a topology for achieving the brushless operation of a wound rotor vernier motor using a single-phase additional winding on the stator, specifically designed for variable-speed applications e.g., washing machines.
Muhammad Humza   +3 more
doaj   +1 more source

Brushless Operation of Wound-Rotor Synchronous Machine Based on Sub-Harmonic Excitation Technique Using Multi-Pole Stator Windings

open access: yesMathematics, 2023
This paper presents a topology for the brushless operation of a wound-rotor synchronous machine based on the subharmonic excitation technique by using two sets of multi-pole windings on the armature as well as on the rotor.
Muhammad Humza   +3 more
doaj   +1 more source

TURBOGENERATOR ROTOR HEATING IN PRESENCE OF ROTOR WINDING DEFECTS AND EXCITATION CURRENT FORCING

open access: yesElectrical engineering & Electromechanics, 2020
Purpose. Research of the TGV-200 turbogenerator rotor heating in case of rotor winding damages, which occur as a result of prolonged operation of the turbogenerator, namely - clogging of the ventilation channels of the rotor winding and the occurrence of
Yu. M. Vaskovskyi, O. A. Geraskin
doaj   +1 more source

Brushless Excitation Principle and Experimental Verification of Hybrid Excitation Synchronous Generator Based on Harmonic Magnetic Field

open access: yesIEEE Access, 2022
It is well known that the air-gap magnetic field of the permanent magnet synchronous generator (PMSG) is difficult to adjust. To overcome this challenge while maintaining the brushless feature of PMSGs, a hybrid excitation synchronous generator (HESG ...
Yonghong Xia   +4 more
doaj   +1 more source

Rotor Winding Short-Circuit-Fault Protection Method for VSPSGM Combining the Stator and Rotor Currents

open access: yesApplied Sciences, 2022
Rotor winding short circuit faults are common faults for variable-speed pumped-storage generator-motors (VSPSGM). At present, the exciting rotor fault protection of VSPSGM is simple and has low sensitivity. It can only act when the instantaneous value of
Jian Qiao   +6 more
doaj   +1 more source

Wind Energy Rotor Speed Control [PDF]

open access: yes1998 Annual Conference Proceedings, 2020
Comment: 9 ...
Greg Hilker, Fred Jenkins, David Westine
openaire   +2 more sources

Analysis of a Brushless Wound Rotor Synchronous Machine Employing a Stator Harmonic Winding

open access: yesIEEE Access, 2020
This study proposes a new topology for brushless operation of a wound rotor synchronous machine (WRSM) employing a stator harmonic winding. It is based on generating an additional six-pole magneto-motive force component without the use of an inverter. In
Ghulam Jawad Sirewal   +3 more
doaj   +1 more source

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