PIER
 
Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
Home | Search | Notification | Authors | Submission | PIERS Home | EM Academy
Home > Vol. 68 > pp. 53-70

TIME STEPPING FINITE ELEMENT ANALYSIS OF BROKEN BARS FAULT IN A THREE-PHASE SQUIRREL-CAGE INDUCTION MOTOR

By J. Faiz, B. M. Ebrahimi, and M. B. B. Sharifian

Full Article PDF (240 KB)

Abstract:
Broken rotor bars and end-ring are common faults in three-phase squirrel-cage induction motors. These faults reduce the developed toque and increase the speed fluctuations of the motor. Meanwhile, developed unsymmetrical magnetic generates noise and vibration in the motor. Local heat around the broken bars may gradually break the adjacent bars and the motor will be finally out of service.

Finite element method (FEM) is the most accurate technique for diagnosis and analysis of induction motor, because it can include all actual characteristics of the healthy and faulty induction motors. However, current density is generally considered as input for performance computation process, while fault can inject a large harmonics to the stator current. These harmonics may not be ignored in the fault diagnosis of the motor. In addition, all FE applications consider the steady-state mode of operation.

In this paper, a three-phase voltage-fed squirrel-cage induction motor with rotor broken bars is proposed and analyzed for the starting period of the motor. Both no-load and on-load cases are considered. Also, concentrated rotor broken bars under one-pole and the distributed rotor broken bars under different poles are studied and compared.

Citation:
J. Faiz, B. M. Ebrahimi, and M. B. B. Sharifian, "Time Stepping Finite Element Analysis of Broken Bars Fault in a Three-Phase Squirrel-Cage Induction Motor," Progress In Electromagnetics Research, Vol. 68, 53-70, 2007.
doi:10.2528/PIER06080903
http://www.jpier.org/PIER/pier.php?paper=06080903

References:
1. Bonnett, A. H. and G. C. Soukup, "Cause and analysis of stator and rotor failures in three-phase squirrel-cage induction motors," IEEE Trans. on Industry Applications, Vol. 28, No. 4, 921-937, 1992.
doi:10.1109/28.148460

2. Deleroi, W., "Squirrel cage motor with broken bar in the rotor- physical phenomena and their experimental assessment," ICEM, 767-770, 1982.

3. Kerzenbaum and C. F. Landy, ``The existence of large inter-bar currents in three phase squirrel cage motors with rotor-bar and/or end ring faults, "The existence of large inter-bar currents in three phase squirrel cage motors with rotor-bar and/or end ring faults," IEEE Trans. on Power Apparatus and Systems, Vol. 129, No. 3, 767-770, 1982.

4. Landy, C. F. and R. More, Further success in the detection of broken and/or cracked rotor bars in large squirrel cage induction motors, Proc. IEE Int. Conf. EMD., 145-149, 1987.

5. Cho, K. R., J. H. Lang, and S. D. Umans, "Detection of broken bars in induction motor using state and parameter estimation," IEEE Trans. Industry Applications, Vol. 28, No. 3, 702-709, 1992.
doi:10.1109/28.137460

6. Schoen, R. R. and T. G. Habettler, "Effects of time varying loads on rotor fault detection in induction machines," IEEE IAS 93, 324-330, 1993.

7. Demerdash, N. A., J. F. Bangura, and A. A. Arkadan, "A time- stepping coupled finite element-state space model for induction motor drives, I. Model formulation and machine parameter computation," IEEE Trans. on Energy Conversion, Vol. 14, No. 4, 1465-1471, 1999.
doi:10.1109/60.815091

8. Bangura, J. F., F. N. Isaac, N. A. Demerdash, and A. A. Arkadan, "A time-stepping coupled finite element-state space model for induction motor drives, II. Machine performance computation and verification," IEEE Trans. on Energy Conversion, Vol. 14, No. 4, 1472-1478, 1999.
doi:10.1109/60.815092

9. Toliyat, H. A. and T. A. Lipo, "Transient analysis of cage induction machines under stator, rotor bar and end ring faults," IEEE Trans. on Energy Conversion, Vol. 10, No. 2, 241-247, 1995.
doi:10.1109/60.391888

10. Joksimovic, G. M., M. D. Durovic, J. Penman, and N. Arthur, "Dynamic simulation of dynamic eccentricity in induction machines-winding function approach," IEEE Trans. on Energy Conversion, Vol. 25, No. 2, 143-149, 2000.
doi:10.1109/60.866991

11. Toliyat, H. A., M. S. Arefeen, and A. G. Parlos, "A method for dynamic simulation of air-gap eccentricity in induction machines," IEEE Trans. on Industry Applications, Vol. 32, No. 4, 910-918, 1996.
doi:10.1109/28.511649

12. Faiz, J. and I. Tabatabaei, "Extension of winding function theory for non uniform air gap in electric machinery," IEEE Trans. on Magnetics, Vol. 38, No. 11, 3654-3657, 2002.
doi:10.1109/TMAG.2002.804805

13. Bangura, J. F., R. J. Povinelli, N. A. O. Demerdash, and R. H. Brown, "Diagnostics of eccentricities and bar/end-ring connector breakages in poly phase induction motors through a combination of time series data mining and time-stepping coupled FE-state-space techniques industry applications," IEEE Trans. on Industry Applications, Vol. 39, No. 7, 1005-1013, 2003.
doi:10.1109/TIA.2003.814582

14. Fisher, R., "Application of a finite element method to predict damage induction motor performance," IEEE Trans. on Magnetics, Vol. 37, No. 5, 3635-3639, 2001.
doi:10.1109/20.952679

15. Elkasabgy, N. M., A. R. Eastham, and G. E. Dawson, "Detection of broken bars in the cage rotor on an induction machine," IEEE Trans. on Industry Applications, Vol. 22, No. 6, 165-171, 1992.
doi:10.1109/28.120226

16. Kim, C. E., Y. B. Jung, S. B. Yoon, and D. H. Im, "The fault diagnosis of rotor bars in squirrel cage induction motors by time-stepping finite element method," IEEE Trans. on Magnetics, Vol. 33, No. 3, 2131-2134, 1997.
doi:10.1109/20.582752

17. Bangura, J. F. and N. A. Demerdash, "Diagnosis and characterization of effects of broken bars and connectors in squirrel-cage induction motors by a time-stepping coupled finite element-state space Modeling approach," IEEE Trans. on Energy Conversion, Vol. 14, No. 12, 1167-1176, 1999.
doi:10.1109/60.815043

18. Bangura, J. F. and N. A. O. Demerdash, "Effects of broken bars/end-ring connectors and air gap eccentricities on ohmic and core losses of induction motors in ASDs using a coupled finite element-state space method," IEEE Trans. on Energy Conversion, Vol. 15, No. 3, 40-47, 2000.
doi:10.1109/60.849114

19. Povinelli, R. J., J. F. Bangura, N. A. O. Demerdash, and R. H. Brown, Diagnostics of bar and end-ring connector breakage faults in poly phase induction motors through a novel dual track of time-series data mining and time-stepping coupled FE-state space modeling electric machines and drives, IEEE International Conference IEMDC, 809-813, 2001.

20. Povinelli, R. J., J. F. Bangura, N. A. O. Demerdash, and R. H. Brown, "Diagnostics of bar and end-ring connector breakage faults in poly phase induction motors through a novel dual track of time-series data mining and time-stepping coupled FE-state space modeling," IEEE Trans. on Energy Conversion, Vol. 17, No. 3, 39-46, 2002.
doi:10.1109/60.986435

21. Nandi, S., R. Bharadwa j, H. A. Toliyat, and A. G. Parlos, Study of three phase induction motors with incipient rotor cage faults under different supply conditions, Proceedings of the IEEE-IAS Annual Meeting, Vol. 3, 1922-1928, 1999.

22. Toliyat, H. A. and T. A. Lipo, "Analysis of concentrated winding induction machines for adjustable speed drive applications part 1: motor analysis," IEEE Trans. on Energy Conversion, Vol. 6, No. 4, 679-683, 1991.
doi:10.1109/60.103641

23. Mc Cully, P. J. and C. F. Landy, Evaluation of current and vibration signals for squirrel cage induction motor condition monitoring, Proceedings of 8th Int. Conf. on Electrical Machines and Drives, 331-335, 1997.


© Copyright 2014 EMW Publishing. All Rights Reserved