Calculation of unbalanced magnetic pull in a salient-pole synchronous generator using finite-element method and measured shaft orbit

IEEE Transactions on Industrial Electronics

Volumn 59, Issue 6, 2012, Pages 2536-2549

  Žarko, Damir ^a   Ban, Drago ^a   Vazdar, Ivan ^b   Jaríc, Vladimir ^c  

^a UNIVERSITY OF ZAGREB   (Croatia)

^b KONCAR Electrical Engineering Institute   (Croatia)

^c ACTdoo   (Croatia)

Author keywords

Armature; Damping; Electromagnetic forces; Finite element methods; Force; Generators; Rotors; Stators; Vibrations

Indexed keywords

ARMATURE; ELECTROMAGNETIC FORCES; FINITE ELEMENT; FORCE; VIBRATIONS;

COGENERATION PLANTS; DAMPING; ELECTRIC WINDINGS; FINITE ELEMENT METHOD; GAS GENERATORS; MAGNETIC FIELDS; ROTORS; SHAFT DISPLACEMENT; STATORS; SYNCHRONOUS GENERATORS; WINDING;

ROTORS (WINDINGS);

EID: 84857412298     PISSN: 02780046     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIE.2011.2160515     Document Type: Article

References (32)

1. P. Pennacchi and L. Frosini, "Dynamical behaviour of a three-phase generator due to unbalanced magnetic pull, " Proc. Inst. Elect. Eng.-Elect. Power Appl., vol. 152, no. 6, pp. 1389-1400, Nov. 2005. (Pubitemid 41658986)
2. P. Pennacchi, "Computational model for calculating the dynamical behaviour of generators caused by unbalanced magnetic pull and experimental validation, " J. Sound Vib., vol. 312, no. 1/2, pp. 332-353, Apr. 2008.
3. N. L. P. Lundström and J.-O. Aidanpää, "Whirling frequencies and amplitudes due to deviations of generator shape, " Int. J. Non-Linear Mech., vol. 43, no. 9, pp. 933-940, Nov. 2008.
4. A. Tenhunen, "Finite-element calculation of unbalanced magnetic pull and circulating current between parallel windings in induction motor with non-uniform eccentric rotor, " in Proc. Electromotion, Bologna, Italy, Jun. 19-20, 2001, pp. 19-24.
5. D. M. Ionel and I. P. Brown, "On the effect of winding parallel paths in synchronous permanent magnet electric machine drives, " in Proc. 14th Biennial IEEE CEFC, Chicago, IL, May 9-12, 2010.
6. A. Burakov and A. Arkkio, "Low-order parametric force model for eccentric-rotor electrical machine equipped with parallel stator windings and rotor cage, " IET Elect. Power Appl., vol. 1, no. 4, pp. 532-542, Jul. 2007. (Pubitemid 47545859)
7. B. A. T. Iamamura, Y. Le Menach, A. Tounzi, N. Sadowski, and E. Guillot, "Study of synchronous generator eccentricities using analytical approach and FEM, " in Proc. 19th ICEM, Rome, Italy, Sep. 6-8, 2010, pp. 1-6.
8. J. Simond, M. T. Xuan, and R. Wetter, "An innovative inductive air-gap monitoring for large low speed hydro-generators, " in Proc. 18th ICEM, Vilamoura, Portugal, Sep. 6-9, 2008, pp. 1-5.
9. A. Di Gerlando, G. M. Foglia, and R. Perini, "Analytical modelling of unbalanced magnetic pull in isotropic electrical machines, " in Proc. 18th ICEM, Vilamoura, Portugal, Sep. 6-9, 2008, pp. 1-6.
10. C. Bruzzese and G. Joksimovic, "Harmonic signatures of static eccentricities in the stator voltages and in the rotor current of no-load salientpole synchronous generators, " IEEE Trans. Ind. Electron., vol. 58, no. 5, pp. 1606-1624, May 2011.
11. M. Sahraoui, A. Ghoggal, S. E. Zouzou, and M. E. Benbouzid, "Analysis of dynamic eccentricity related signatures on stator current of squirrel cage induction motors, " in Proc. 18th ICEM, Vilamoura, Portugal, Sep. 6-9, 2008, pp. 1-6.
12. A. Ghoggal, A. Aboubou, S. E. Zouzou, M. Sahraoui, and H. Razik, "Considerations about the modeling and simulation of air-gap eccentricity in induction motors, " in Proc. 32nd IEEE IECON, Paris, France, Nov. 7-10, 2006, pp. 4987-4992.
13. J. Faiz and M. Ojaghi, "Unified winding function approach for dynamic simulation of different kinds of eccentricity faults in cage induction machines, " IET Elect. Power Appl., vol. 3, no. 5, pp. 461-470, Sep. 2009.
14. M. Blödt, P. Granjon, B. Raison, and G. Rostaing, "Models for bearing damage detection in induction motors using stator current monitoring, " IEEE Trans. Ind. Electron., vol. 55, no. 4, pp. 1813-1822, Apr. 2008. (Pubitemid 351585994)
15. M. Drif and A. J. M. Cardoso, "Airgap-eccentricity fault diagnosis, in three-phase induction motors, by the complex apparent power signature analysis, " IEEE Trans. Ind. Electron., vol. 55, no. 3, pp. 1404-1410, Mar. 2008. (Pubitemid 351447581)
16. S. Nandi, T. C. Ilamparithi, S. B. Lee, and D. Hyun, "Detection of eccentricity faults in induction machines based on nameplate parameters, " IEEE Trans. Ind. Electron., vol. 58, no. 5, pp. 1673-1683, May 2011.
17. B. Akin, U. Orguner, H. A. Toliyat, and M. Rayner, "Low order PWM inverter harmonics contributions to the inverter-fed induction machine fault diagnosis, " IEEE Trans. Ind. Electron., vol. 55, no. 2, pp. 610-619, Feb. 2008. (Pubitemid 351344235)
18. A. Bellini, F. Filippetti, C. Tassoni, and G. A. Capolino, "Advances in diagnostic techniques for induction machines, " IEEE Trans. Ind. Electron., vol. 55, no. 12, pp. 4109-4126, Dec. 2008.
19. J. T. Li, Z. J. Liu, and L. H. A. Nay, "Effect of radial magnetic forces in permanent magnet motors with rotor eccentricity, " IEEE Trans. Magn., vol. 43, no. 6, pp. 2525-2527, Jun. 2007. (Pubitemid 46793730)
20. A. Mahyob, M. Y. O. Elmoctar, P. Reghem, and G. Barakat, "Induction machine modelling using permeance network method for dynamic simulation of air-gap eccentricity, " in Proc. 12th Eur. Conf. Power Electron. Appl. (EPE), Aalborg, Denmark, Sep. 2-5, 2007, pp. 1-9.
21. R. Perers, U. Lundin, and M. Leijon, "Saturation effects on unbalanced magnetic pull in a hydroelectric generator with an eccentric rotor, " IEEE Trans. Magn., vol. 43, no. 10, pp. 3884-3890, Oct. 2007. (Pubitemid 47460330)
22. L. Wang, R. W. Cheung, Z. Ma, J. Ruan, and Y. Peng, "Finite-element analysis of unbalanced magnetic pull in a large hydro-generator under practical operations, " IEEE Trans. Magn., vol. 44, no. 6, pp. 1558-1561, Jun. 2008. (Pubitemid 351711493)
23. B. M. Ebrahimi, J. Faiz, and M. J. Roshtkhari, "Static-, dynamic-, and mixed-eccentricity fault diagnoses in permanent-magnet synchronous motors, " IEEE Trans. Ind. Electron., vol. 56, no. 11, pp. 4727-4739, Nov. 2009.
24. A. Belahcen and A. Arkkio, "Computation of additional losses due to rotor eccentricity in electrical machines, " IET Elect. Power Appl., vol. 4, no. 4, pp. 259-266, Apr. 2010.
25. S. Salon, S. Bhatia, and D. Burow, "Some aspects of torque calculations in electrical machines, " IEEE Trans. Magn., vol. 33, no. 2, pp. 2018-2021, Mar. 1997. (Pubitemid 127826729)
26. D. Guo, F. Chu, and D. Chen, "The unbalanced magnetic pull and its effects on vibration in a three-phase generator with eccentric rotor, " J. Sound Vib., vol. 254, no. 2, pp. 297-312, 2002.
27. A. Muszýnska, Rotordynamics. New York: Taylor & Francis, 2005.
28. D. Ban, D. Žarko, and I. Mandíc, "Turbogenerator end-winding leakage inductance calculation using a 3-D analytical approach based on the solution of Neumann integrals, " IEEE Trans. Magn., vol. 20, no. 1, pp. 98- 105, Mar. 2005. (Pubitemid 40377528)
29. T. Schneider and A. Binder, "Design and evaluation of a 60 000 rpm permanent magnet bearingless high speed motor, " in Proc. 7th Int. Conf. PEDS, Bangkok, Thailand, Nov. 27-30, 2007, pp. 1-8.
30. G. Joksimovic, C. Bruzzese, and E. Santini, "Static eccentricity detection in synchronous generators by field current and stator voltage signature analysis-Part I: Theory, " in Proc. 19th ICEM, Rome, Italy, Sep. 6-8, 2010, pp. 1-6.
31. G. Joksimovic, C. Bruzzese, and E. Santini, "Static eccentricity detection in synchronous generators by field current and stator voltage signature analysis-Part II: Measurements, " in Proc. 19th ICEM, Rome, Italy, Sep. 6-8, 2010, pp. 1-5.
32. L. Frosini and P. Pennacchi, "The effect of rotor eccentricity on the radial and tangential electromagnetic stresses in synchronous machines, " in Proc. 32nd IEEE IECON, Paris, France, Nov. 7-10, 2006, pp. 1287-1292.