M. Riera-Guasp
Evaluation of the amplitudes of high-order fault related components in double bar faults
Riera-Guasp, M.; Pons-Llinares, J.; Vedreno-Santos, F.; Antonino-Daviu, J.A.; Fernandez Cabanas, M.
Authors
J. Pons-Llinares
Dr Francisco Vedreno Santos F.VedrenoSantos@napier.ac.uk
Lecturer
J.A. Antonino-Daviu
M. Fernandez Cabanas
Abstract
This paper addresses the problem of diagnosing
cage motors with double bar breakages involving nonconsecutive
rotor bars. As it is stated in previous works, the
conventional diagnosis approaches fail when diagnosing this
fault for certain relative positions of the broken bars. This work
is focused on the study of the high order harmonics of the
airgap-field produced by the fault; simple mathematical
expressions are deduced which enable to evaluate the influence
of the relative position of the broken bars on the amplitude of
the fault related components (Left Sideband Harmonic and
other high order fault components) of the stator current. These
expressions demonstrate to be useful for confirming the
diagnostic in uncertain cases; they are validated by finite
element simulations and laboratory tests, using different
diagnosis methodologies based both on steady-state and on
transient analysis
Citation
Riera-Guasp, M., Pons-Llinares, J., Vedreno-Santos, F., Antonino-Daviu, J., & Fernandez Cabanas, M. (2011, September). Evaluation of the amplitudes of high-order fault related components in double bar faults. Presented at 8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics & Drives
Presentation Conference Type | Conference Paper (published) |
---|---|
Conference Name | 8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics & Drives |
Start Date | Sep 5, 2011 |
End Date | Sep 8, 2011 |
Publication Date | 2011-09 |
Deposit Date | Oct 6, 2016 |
Publisher | Institute of Electrical and Electronics Engineers |
Book Title | 2011 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics & Drives (SDEMPED) |
ISBN | 9781424493012 |
DOI | https://doi.org/10.1109/demped.2011.6063641 |
Keywords | Current density wave, discrete Fourier transforms, Double bar breakage, fast Fourier transforms, fault detection, fault diagnosis, finite element methods, induction motors, rotor asymmetries, transient analysis |
Public URL | http://researchrepository.napier.ac.uk/Output/399828 |
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