Detection ofStator Winding Faults inInduction Machines UsinganInternal FluxSensor

Iftheincipient faults orthegradual deterioration arenot Abstract -Inthis workispresented theimplementation ofa detected, they canprovoke thebreakdownofthemotor special fluxcoil sensor inside three-phase induction motors is causing damages andupsets. Several faults canbeavoided if usedasexperimental platforms. Thissensor issensitive to theapplication, workcondition andorigin ofthefaults be electromagnetic field andisusedfordetection anddiagnosis understood (19). Interms ofelectric motors, thereliability has electrical faults. Itwasestablished therelationship between the beengrowingconstantly duetheimportance oftheir mainelectrical faults (inter-turn shortcircuits andunbalanced voltage supplies) andthesignals ofmagnetic fluxinorderto apis andofetehnologicalpogress. identify thecharacteristic frequencies ofthosefaults. The Thiswork prpses theilementatio fialtransducer experimental results showntheefficiency ofthefluxcoil sensor(flux coil) sensitive totheelectromagnetic field inside the developed andthestrategies fordetection, diagnosis and three-phase induction motorsforthedetection anddiagnosis monitoring tasks. Theresults wereundoubtedly impressive and oftheshort circuit amongturns, phase unbalance androtate thesystem developed canbeadapted andusedinreal predictive barsfaults, andthese represent mostoftheelectric faults that maintenance programs inindustries. experimental benchisindispensable. Atthisway,several experimental tests weredoneattheLaboratory ofVibrations