Detection and modelling of rotor eccentricity in electrical machines - An overview

IMechE Event Publications

Volumn 2004 2, Issue , 2004, Pages 501-510

  Frosini, L ^a   Pennacchi, P ^b  

^a UNIVERSITY OF PAVIA   (Italy)

^b POLITECNICO DI MILANO   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; COMPUTER SIMULATION; DEMODULATION; ELECTRIC POWER PLANTS; INDUCTION MOTORS; ROTORS; SHAFTS (MACHINE COMPONENTS); SYNCHRONOUS MACHINERY;

FAULT INDICATORS; NOISE EMISSION; ROTOR ECCENTRICITY; UNBALANCED MAGNETIC PULL (UMP);

ELECTRIC MACHINERY;

EID: 20844444963     PISSN: 13561448     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (31)

1. Cameron J.R., Thomson W.T., Dow A.B, "Vibration and current monitoring for detecting airgap eccentricity in large induction motors", IEE Proc. B, 133(3), 1986, 155-162.
2. Dorrel D.G., Smith A.C., "Calculation of U.M.P. in induction motors with series or parallel winding connections", IEEE Trans. Energy Conversion, 9(2), 1994, 304-310.
3. Dorrel D.G., "Calculation of unbalanced magnetic pull in small cage induction motors with skewed rotors and dynamic rotor eccentricity", IEEE Trans. Energy Conversion, 11(3), 1996, 483-488.
4. Smith A.C., Dorrel D.G., "Calculation and measurement of unbalanced magnetic pull in cage induction motors with eccentric rotors. Part 1: Analytical model, IEE Proc. Electric Power Applications, 143(3), 1996, 193-201.
5. Smith A.C., Dorrel D.G., "Calculation and measurement of unbalanced magnetic pull in cage induction motors with eccentric rotors". Part 2: Experimental investigation, IEE Proc. Electric Power Applications, 143(3), 1996, 202-210.
6. Dorreil D.G., Thomson W.T., "Analysis of airgap flux, current, and vibration signals as a function of the combination of static and dynamic airgap eccentricity in 3-phase induction motors", IEEE Trans. Industry Applications, 33(1), 1997, 24-34.
7. Thomson W.T., Barbour A., "On-line current monitoring and applications of a finite element method to predict the level of static airgap eccentricity in three-phase induction motors", IEEE Trans. Energy Conversion, 13(4), 1998, 347-357.
8. Dorrel D.G., "Experimental behaviour of unbalanced magnetic pull in 3-phase induction motors with eccentic rotors and the relationship with tooth saturation", IEEE Trans. Energy Conversion, 14(3), 1999, 304-309.
9. Watson J.F., Paterson N.C., Dorrell D.G., "The use of finite element methods to improve techniques for the e arly d election o f faults i n 3 -phase induction motors", IEEE Trans. Energy Conversion, 14(3), 1999, 655-660.
10. Thomson W.T., Rankin D., Dorrell D.G., "On-line current monitoring to diagnose airgap eccentricity in large three-phase induction motors - Industrial case histories verify the predictions", IEEE Trans. Energy Conversion, 14(4), 1999, 1372-1378.
11. Swann S.A., "Effect of rotor eccentricity on the magnetic field in the air-gap of a non-salient-pole machine", Proc. IEE, 110(5), 1963, 903-915.
12. Stoll R.L., "Simple computational model for calculating the unbalanced magnetic pull on a two-pole turbogenerator rotor due to eccentricity", IEE Proc. Electric Power Applications, 144(4), 1997, 263-270.
13. Tampion A.A., Stoll R.L., Sykulski J.K., "Variation of turbogenerator stator core vibration with load", IEE Proc. C, 138(5), 1991, 389-400.
14. Kim U., Lieu D.K., "Magnetic field calculation in permanent magnet motors with rotor eccentricity: without slotting effect", IEEE Trans. Magnetics, 34(4), 1998, 2243-2252.
15. Kim U., Lieu D.K., "Magnetic field calculation in permanent magnet motors with rotor " eccentricity: with slotting effect", IEEE Trans. Magnetics, 34(4), 1998, 2253-2266.
16. Wang J.P., Lieu D.K., "Magnetic lumped parameter modeling of rotor e ccentricity i n brushless permanent-magnet motors", IEEE Trans. Magnetics, 35(5), 1999, 4226-4231.
17. Moseler O., Isermann R., "Application of model-based fault detection to a brushless DC motor", IEEE Trans. Industrial Electronics, 47(5), 2000, 1015-1020.
18. Belmans R., Vandenput A., Geysen W., "Influence of unbalanced magnetic pull on the radial stability of flexible-shaft induction machines", IEE Proc. B, 134(2), 1987, 101-109.
19. Stavrou A., Penman J., "Modelling dynamic eccentricity in smooth air-gap induction machines", Proc. of Electric Machines and Drives Conference, 2001, 864-871.
20. Dorrell D.G, "The influence of rotor skew on unbalanced magnetic pull in cage induction motors with eccentric rotors", Proc. of Electrical Machines and Drives, 1995, 67-71.
21. Arkkio A., "Unbalanced magnetic pull in cage induction motors with asymmetry in rotor structures", Proc. of EMD97, 1997, 36-40.
22. Dorrell D.G., Thomson W.T., Roach S., "Combined effects of static and dynamic eccentricity on airgap flux waves and the application of current monitoring to detect dynamic eccentricity in 3-phase induction motors", Proc. of Electrical Machines and Drives, 1995, 151-155.
23. Toliyat H.A., Arefeen S., Parlos A.G., "A method for dynamic simulation of air-gap eccentricity in induction machines", IEEE Trans. Ind. Applic., 32(4), 1996, 910-918.
24. Toliyat H.A., Nabil A.A.N., "Simulation and detection of dynamic air-gap eccentricity in salient-pole synchronous machines", IEEE Trans. Ind. Applic, 35(1), 1999, 86-93.
25. Nabil A.A.N., Toliyat H.A., "A novel method for modeling dynamic air-gap eccentricity in synchronous machines based on modified winding function theory", IEEE Trans. Energy Conversion, 13(2), 1998, 156-162.
26. Kim K.T, Kim K., Hwang S., Kim T., Jung Y., "Comparison of magnetic forces for IPM and SPM motor with rotor eccentricity", IEEE Trans. Magnet., 37(5), 2001, 3448-3451.
27. Hwang S.M., Kim K.T., Jeong W.B., Jung Y.H., Kang B.S., "Comparison of vibration sources between symmetric and asymmetric HDD spindle motors with rotor eccentricity", IEEE Trans. Industry Applications, 37(6), 2001, 1727-1731.
28. Joksimovic G.M., Durovic M.D., Penman J., Arthur N., "Dynamic simulation of dynamic eccentricity i n i nduction m achines - Winding function approach", IEEE Trans. Energy Conversion, 15(2), 2000, 143-147.
29. Frosini L., Mimmi G., Pennacchi P., "Sulla diagnostica dell'eccentricità d el r otore nei motori brushless", Proc. of XVI Congresso AIMETA, Ferrara (Italy), September 2003.
30. Bradford M., "Unbalanced magnetic pull in a 6-pole induction motor", 1968, Proc. IEE, V(115), 1619-1227.
31. Frosini L., Mimmi G., Pennacchi P., "Experimental analysis of rotor eccentricity in brushless motors", to be published in Proc. of 11th World Congress in Mechanism and Machine Science, 1-4 April 2004, Tianjin, China.