Inter-turn stator winding fault diagnosis in three-phase induction motors, by Park's vector approach

The subject of on-line detection and location of inter-turn short circuits in the stator windings of three-phase induction motors is discussed, and a noninvasive approach, based on the computer-aided monitoring of the stator current Park's vector, is introduced. Experimental results, obtained b...

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Bibliographic Details
Published inIEEE transactions on energy conversion Vol. 14; no. 3; pp. 595 - 598
Main Authors Marques Cardoso, A.J., Cruz, S.M.A., Fonseca, D.S.B.
Format Journal Article
LanguageEnglish
Published IEEE 01.09.1999
Subjects
Circuit faults
Circuit testing
Computerized monitoring
Electrical fault detection
Fault detection
Fault diagnosis
Faults
Induction machines
Induction motors
Mathematical analysis
Monitoring
On-line systems
Stator windings
Stators
System testing
Vectors (mathematics)
Winding
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ISSN0885-8969
DOI10.1109/60.790920

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Summary:The subject of on-line detection and location of inter-turn short circuits in the stator windings of three-phase induction motors is discussed, and a noninvasive approach, based on the computer-aided monitoring of the stator current Park's vector, is introduced. Experimental results, obtained by using a special fault producing test rig, demonstrate the effectiveness of the proposed technique, for detecting inter-turn stator winding faults in operating three-phase induction machines. On-site tests conducted in a power generation plant, using the diagnostic instrumentation system developed, are also reported.
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ISSN:0885-8969
DOI:10.1109/60.790920