Cooling airflow, losses, and temperatures in large air-cooled synchronous machines

IEEE Transactions on Industrial Electronics

Volumn 57, Issue 1, 2010, Pages 172-180

  Traxler Samek, Georg ^a   Zickermann, Richard ^a   Schwery, Alexander ^a  

^a ALSTOMHydro (Switzerland) Ltd   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

ACTIVE PARTS; CALCULATION SOFTWARE; COMPUTATION METHODS; COOLING AIR FLOW; DESIGN ENGINEERS; FINE TUNING; FORCED COOLING; HYDRO-GENERATORS; ITERATIVE PROCESS; POWER-LOSSES; ROTATING ELECTRICAL MACHINES; STEADY-STATE OPERATION; SYNCHRONOUS MACHINE; TEMPERATURE CALCULATION; TEMPERATURE GRADIENT; THERMAL NETWORK;

ARTS COMPUTING; COOLING; COOLING SYSTEMS; ELECTRIC MACHINERY; HEATING; HYDROELECTRIC GENERATORS; MACHINE WINDINGS; TRANSFORMER WINDINGS; WINDING;

MACHINE DESIGN;

EID: 72749101556     PISSN: 02780046     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIE.2009.2031191     Document Type: Article

References (28)

1. A. Boglietti, A. Cavagnino, D. Staton, M. Shanel, M. Mueller, and C. Mejuto, "Evolution and modern approaches for thermal analysis of electrical machines," IEEE Trans. Ind. Electron., vol.56, no.3, pp. 871-882, Mar. 2009.
2. C. Shiyuan, "Network analyses of ventilation system for large hydrogenerator," in Proc. 5th ICEMS, Aug. 18-20, 2001, vol.1, pp. 137-140.
3. R. Depraz, R. Zickermann, A. Schwery, and F. Avellan, "CFD validation and air cooling design methodology for large hydro generator," in Proc. 17th ICEM, 2006, pp. 1-6.
4. G. Dajaku and D. Gerling, "An improved lumped parameter thermal model for electrical machines," in Proc. 17th ICEM, 2006, pp. 1-6.
5. L. Alberti and N. Bianchi, "A coupled thermal & electromagnetic analysis for a rapid and accurate prediction of IM performance," IEEE Trans. Ind. Electron., vol.55, no.10, pp. 3575-3582, Oct. 2008.
6. C. Mejuto, M. Mueller, M. Shanel, A. Mebarki, M. Reekie, and D. Staton, "Improved synchronous machine thermal modelling," in Proc. 18th ICEM, Sep. 6-9, 2008, pp. 1-6.
7. D. G. Dorrell, "Combined thermal and electromagnetic analysis of permanent-magnet and induction machines to aid calculation," IEEE Trans. Ind. Electron., vol.55, no.10, pp. 3566-3574, Oct. 2008.
8. A. Tenconi, F. Profumo, S. E. Bauer, and M. D. Hennen, "Temperatures evaluation in an integrated motor drive for traction applications," IEEE Trans. Ind. Electron., vol.55, no.10, pp. 3619-3626, Oct. 2008.
9. L. Weili, Z. Feng, H. Yunpeng, and C. Shukang, "The influence of end part leakage on stator temperature field," in Proc. 5th ICEMS, Aug. 18-20, 2001, vol.1, pp. 111-115.
10. L. Weili, Z. Feng, and C. Shukang, "The calculation of rotor temperature field for hydro-generator as well as the analysis on relevant factors," in Proc. 16th ICEM, 2004, p. 455.
11. A. Boglietti, A. Cavagnino, D. A. Staton, M. Popescu, C. Cossar, and M. I. McGilp, "End space heat transfer coefficient determination for different induction motor enclosure types," IEEE Trans. Ind. Appl., vol.45, no.3, pp. 929-937, May/Jun. 2009.
12. D. A. Staton and A. Cavagnino, "Convection heat transfer and flow calculations suitable for electric machines thermal models," IEEE Trans. Ind. Electron., vol.55, no.10, pp. 3509-3516, Oct. 2008.
13. M. A. Valenzuela and J. A. Tapia, "Heat transfer and thermal design of finned frames for TEFC variable-speed motors," IEEE Trans. Ind. Electron., vol.55, no.10, pp. 3500-3508, Oct. 2008.
14. G. Traxler-Samek, R. Zickermann, and A. Schwery, "Advanced calculation of temperature rises in large air-cooled hydro-generators," in Proc. 18th ICEM, Sep. 6-9, 2008, pp. 1-6.
15. G. Traxler-Samek, A. Schwery, R. Zickermann, and C. Ramirez, "Optimised calculation of losses in large hydrogenerators using statistical methods," in Recent Developments of Electrical Drives, Springer Monograph. New York: Springer-Verlag, 2005.
16. G. Traxler-Samek, "Zusatzverluste im Stirnraum von Hydrogeneratoren mit Roebelstabwicklung," Ph.D. dissertation, Vienna Univ. Technol., Vienna, Austria, 2003.
17. G. Traxler-Samek and G. Ardley, "Iron losses in salient pole synchronous machines considering unidirectional and elliptic magnetization," in Proc. 8th Electromotion, 2009, pp. 1-6.
18. O. Drubel and R. L. Stoll, "Comparison between analytical and numerical methods of calculating tooth ripple losses in salient pole synchronous machines," IEEE Trans. Energy Convers., vol.16, no.1, pp. 61-67, Mar. 2001.
19. H. C. Karmaker, "Open circuit tooth ripple losses in slotted laminated poles of electrical machines with amortisseur windings," IEEE Trans. Power App. Syst., vol.PAS-101, no.5, pp. 1122-1128, May 1982.
20. G. Traxler-Samek and E. Schmid, "Analytic determination of eddy current losses in the stator clamping plates of salient pole synchronous generators," in Proc. 15th ICEM, 2002, p. 384.
21. S. Kunckel, G. Klaus, and M. Liese, "Calculation of eddy current losses and temperature rises at the stator end portion of hydro generators," in Proc. 15th ICEM, 2002, p. 356.
22. T. Renyuan, X. Guangren, T. Lijian, Z. Danqun, and X. Yi, "Calculation of end region magnetic field and circulation losses for turbo-generators using a coupled field and circuit equations method," IEEE Trans. Magn., vol.26, no.2, pp. 497-500, Mar. 1990.
23. A. M. Knight, H. Karmaker, and K.Weeber, "Use of a permeance model to predict force harmonic components and damper winding effects in salientpole synchronous machines," IEEE Trans. Energy Convers., vol.17, no.4, pp. 478-484, Dec. 2002.
24. I. E. Idelchik, Handbook of Hydraulic Resistance. Boca Raton, FL: CRC Press, 1994.
25. D. S. Miller, Internal Flow Systems. Bedfordshire, U.K.: BHR Group Limited, 1996.
26. H. Yunpeng, L.Weili, Z. Feng, and C. Shukang, "Analysis and calculation of stator windings end part temperature field for large synchronous generator," in Proc. 5th ICEMS, Aug. 18-20, 2001, vol.2, pp. 1145-1148.
27. S. Kakac, R. K. Shah, and W. Aung, Handbook of Single-Phase Convective Heat Transfer. Hoboken, NJ: Wiley, 1987.
28. S. Nonaka, K.Murata, M. Yamamoto, and Y. Takeda, "Experimental study on cooling of rotor in a salient 4-pole synchronous machine," IEEE Trans. Power App. Syst., vol.PAS-98, no.1, pp. 310-317, Jan. 1979.