Online stator fault diagnosis in induction motors

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dc.authoridArkan, Muslum/0000-0001-5313-2400
dc.authorwosidArkan, Muslum/A-5114-2016
dc.contributor.authorArkan, M
dc.contributor.authorPerovic, DK
dc.contributor.authorUnsworth, P
dc.date.accessioned2024-08-04T20:12:18Z
dc.date.available2024-08-04T20:12:18Z
dc.date.issued2001
dc.departmentİnönü Üniversitesien_US
dc.description.abstractThis paper presents a noninvasive and online method for detection of stator winding faults in three-phase induction motors from observation of negative sequence supply current. A power decomposition technique (PDT) has been used to derive positive and negative sequence components of measured voltages and currents. A fault detection algorithm has been developed to characterise the effects of supply imbalance and nonlinear motor effects (motor iron saturation, winding imbalance, rotor static eccentricity), which also generate negative sequence current. The effects of motor heating and variation in negative sequence resistance with slip change are minimised by using only motor negative sequence reactance to calculate supply negative sequence current. Change in the motor negative sequence impedance under supply imbalance due to load variation (mainly because of closed rotor slots effect) has been included. Experimental results on several motors show that negative sequence impedance can vary between 10% to 50%. Semiempirical formulas based on theoretical and experimental results have been proposed to eliminate the effects of supply imbalance, load, and voltage variation. Compensation for this negative sequence current before making the fault decision enables a high fault sensitivity to be achieved.en_US
dc.identifier.doi10.1049/ip-epa:20010588
dc.identifier.endpage547en_US
dc.identifier.issn1350-2352
dc.identifier.issue6en_US
dc.identifier.scopus2-s2.0-0035518952en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage537en_US
dc.identifier.urihttps://doi.org/10.1049/ip-epa:20010588
dc.identifier.urihttps://hdl.handle.net/11616/93340
dc.identifier.volume148en_US
dc.identifier.wosWOS:000173514400009en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherInst Engineering Technology-Ieten_US
dc.relation.ispartofIee Proceedings-Electric Power Applicationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subject[No Keywords]en_US
dc.titleOnline stator fault diagnosis in induction motorsen_US
dc.typeArticleen_US

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