This paper investigates the detectability of rotor broken bars in double cage induction motors using current signature and vibration analysis techniques. Double cage induction motors are commonly used for applications where successive loaded starts-up are mandatory. Experimental results were performed under healthy and faulty cases, and for different load conditions using each technique. Rotor broken bars fault detection based on sideband current components may fails due to the presence of inter bar currents that reduce the degree of rotor asymmetry, yielding to a decrease of the magnitude of these spectral components. But inter bar currents produce core vibrations in the axial direction, which can be detected using vibration analysis, in order to overcomes the limits of the classical (MCSA) in this condition

Investigation of motor current signature and vibration analysis for diagnosing rotor broken bars in double cage induction motors / Y. Gritli; A. O. Di Tommaso; F. Filippetti; R. Miceli; C. Rossi; A. Chatti. - ELETTRONICO. - 1:(2012), pp. 1360-1365. (Intervento presentato al convegno IEEE International Symposium on Power Electronics, Electrical Drives, Automation and Motion SPEEDAM 2012 tenutosi a Sorrento nel 20-22 Giugno 2012) [10.1109/SPEEDAM.2012.6264465].

Investigation of motor current signature and vibration analysis for diagnosing rotor broken bars in double cage induction motors

GRITLI, YASSER;FILIPPETTI, FIORENZO;ROSSI, CLAUDIO;
2012

Abstract

This paper investigates the detectability of rotor broken bars in double cage induction motors using current signature and vibration analysis techniques. Double cage induction motors are commonly used for applications where successive loaded starts-up are mandatory. Experimental results were performed under healthy and faulty cases, and for different load conditions using each technique. Rotor broken bars fault detection based on sideband current components may fails due to the presence of inter bar currents that reduce the degree of rotor asymmetry, yielding to a decrease of the magnitude of these spectral components. But inter bar currents produce core vibrations in the axial direction, which can be detected using vibration analysis, in order to overcomes the limits of the classical (MCSA) in this condition
2012
IEEE International Symposium on Power Electronics, Electrical Drives, Automation and Motion SPEEDAM 2012
1360
1365
Investigation of motor current signature and vibration analysis for diagnosing rotor broken bars in double cage induction motors / Y. Gritli; A. O. Di Tommaso; F. Filippetti; R. Miceli; C. Rossi; A. Chatti. - ELETTRONICO. - 1:(2012), pp. 1360-1365. (Intervento presentato al convegno IEEE International Symposium on Power Electronics, Electrical Drives, Automation and Motion SPEEDAM 2012 tenutosi a Sorrento nel 20-22 Giugno 2012) [10.1109/SPEEDAM.2012.6264465].
Y. Gritli; A. O. Di Tommaso; F. Filippetti; R. Miceli; C. Rossi; A. Chatti
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/122615
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