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Communication Dans Un Congrès Année : 2019

State of the Art on Stray Flux Analysis in Faulted Electrical Machines

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Résumé

The aim of this paper is to present an overview of the stray flux analysis to detect faults in electrical machines. The investigation is dedicated to AC electrical machines in particular induction and synchronous machines which are the most used motors and generators in industry. The stray flux is sensed outside the machine case with simple non-invasive sensors. It can be used to detect broken bars, rings and dampers in AC electrical machines. It can also detect early stage short-circuits in both stator and rotor windings. A large range of mechanical faults can be detected by analyzing the stray flux. Finally, any kind of unbalance whatever the location can be detected by stray flux sensors.
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Dates et versions

hal-03629889 , version 1 (04-04-2022)

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  • HAL Id : hal-03629889 , version 1

Citer

Gerard-Andre Capolino, Raphael Romary, Humberto Henao, Remus Pusca. State of the Art on Stray Flux Analysis in Faulted Electrical Machines. 2019 IEEE WORKSHOP ON ELECTRICAL MACHINES DESIGN, CONTROL AND DAGNOSIS (WEMDCD), VOL 1, Apr 2019, Athènes, Greece. pp.181-187. ⟨hal-03629889⟩
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