Saturation effects on unbalanced magnetic pull in a hydroelectric generator with an eccentric rotor

IEEE Transactions on Magnetics

Volumn 43, Issue 10, 2007, Pages 3884-3890

  Perers, Richard ^a   Lundin, Urban ^a   Leijon, Mats ^a  

^a UPPSALA UNIVERSITY   (Sweden)

Author keywords

Eccentricity; Finite element method; Magnetic pull force; Saturation; Synchronous generator

Indexed keywords

ELECTRIC LOADS; FINITE ELEMENT METHOD; ROTORS;

ECCENTRICITY; HYDROELECTRIC GENERATOR; MAGNETIC PULL FORCE;

SYNCHRONOUS GENERATORS;

EID: 34648852357     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2007.903275     Document Type: Article

References (19)

1. R. C. Robinson, "The calculation of unbalanced magnetic pull in synchronous and induction motors," Electr. Eng., vol. 62, pp. 620-624, Oct. 1943.
2. A. Covo, "Unbalanced magnetic pull in induction motors with, eccentric rotors," Trans. AIEE, vol. 73, pp. 1421-1425, Dec. 1954.
3. T. Bratoljic and P. Vrkljan, "Magnetic forces created by rotor eccentricity in electrical machines," Brown Boveri Rev., vol. 54, no. 9, pp. 580-592, Sept. 1967.
4. 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. Sounds Vib., vol. 254, no. 2, pp. 297-312, Jul. 2003.
5. J. Früchtenicht, H. Jordan, and H. O. Seinch, " Exzentrizitätsfelder als urache von laufinstabilitäten bei asynchronmachinen, teil 1 und 2," Arch. Electrotech., vol. 65, no. 4/5, pp. 271-292, 1982.
6. A. C. Smith and D. G. Dorrell, "Calculation and measurement of un-balanced magnetic pull in cage induction motors with eccentric rotors, part 1: Analytical model," Inst. Elect. Eng. Proc. - Elect. Power Appl., vol. 143, pp. 193-201, May 1993.
7. M. J. DeBertoli, S. J. Salon, D. W. Burow, and C. J. Slavik, "Effects of rotor and parallel windings on induction machine behavior: A study using finite element analysis," IEEE Trans. Magn., vol. 29, no. 2, pp. 1676-1682, Mar. 1993.
8. A. Arkkio, M. Antila, K. Pokki, A. Simon, and E. Lantto, "Electromagnetic force on a whirling cage rotor," Inst. Elect. Eng. Proc. - Elect. Power Appl., vol. 147, pp. 353-360, Sep. 2000.
9. L. Lundström, R. Gustavsson, J. O. Aidanpää, N. Dahlbäck, and M. Leijon, "Influence on the stability of generators due to radial and tangential magnetic pull force," Inst. Elect. Eng. Proc. - Elect. Power Appl., 2006, accepted for publication.
10. A. Burakov and A. Arkkio, "Low-order parametric force model for a salient-pole synchronous machine with eccentric rotor," Electr. Eng. vol. 89, no. 2, Dec. 2006 [Online]. Available: http://www.springerlink.com/ content/u2q5157q1202/
11. A. Arkkio, "Unbalanced magnetic pull in cage induction motors with asymmetry in rotors structures," in Proc. 8th Int. Conf. Electr. Machines Drives, 1997, vol. 444, pp. 36-40.
12. A. Tenhunen, T. P. Holopainen, and A. Arkkio, "Effects of saturation on the forces in induction motors with whirling cage rotor," IEEE Trans. Magn., vol. 40, no. 2, pp. 766-769, Mar. 2004.
13. D. G. Dorrell, "Experimental behaviour of unbalanced magnetic pull in 3-phase induction motors with eccentric rotors and the relationship with tooth saturation," IEEE Trans. Energy Convers., vol. 14, no. 3, pp. 304-309, Sep. 1999.
14. L. Frosini and P. Pennacchi, "Detection and modelling of rotor eccentricity in electrical machines - an overview," in 8th Int. Conf. Vibrations Rotating Machinery - IMechE Conf. Trans., 2004, vol. 2, pp. 501-509.
15. R. Bulovas, H. Jordan, M. Purkermani, and G. Röder, "Sättigungsfelder und ihre Wirkungen," Arch. Electrotech., vol. 54, no. 4, pp. 220-228, 1971.
16. C. Sadarangani, Electrical Machines - Design and Analysis of Induction and Permanent Magnet Motors. Stockholm, Sweden: KTH, 2000, pp. 92-100.
17. R. Richter, Elektrische Maschinen I. Berlin, Germany: Springer-Verlag, 1967, pp. 171-178.
18. V. Ostovic, Computer-Aided Analysis of Electric Machines: A Mathematica Approach. Englewood Cliffs, NJ: Prentice-Hall, 1994, pp. 147-175.
19. A. Arkkio, "Analysis of induction motors based on numerical solution of the magnetic field and circuit equations," Acta Polytechnica Scandinavia, ser. Electrical Engineering, no. 59, Helsinki, 1987.