Calculation of power losses in the damper winding of large hydrogenerators at open-circuit and load conditions

Proceedings of the 2008 International Conference on Electrical Machines, ICEM'08

Volumn , Issue , 2008, Pages

  Traxler Samek, Georg ^a   Lugand, Thomas ^a   Schwery, Alexander ^a  

^a ALSTOM SWITZERLAND LTD   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

AIR GAPS; ANALYTICAL METHODS; ANALYTICAL RESULTS; DAMPER WINDINGS; FINITE-ELEMENT STUDIES; HYDRO-GENERATORS; INDUCED VOLTAGES; LOAD CONDITIONS; MUTUAL INDUCTANCES; OPERATIONAL CONDITIONS; POWER LOSS; SALIENT-POLE SYNCHRONOUS MACHINES; SHORT-CIRCUIT TESTS;

HYDROELECTRIC GENERATORS; INDUCTANCE; WINDING;

DAMPING;

EID: 65249099088     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICELMACH.2008.4800068     Document Type: Conference Paper

References (13)

1. Bacher, J.; Koefler, H.: "Determination of the damper current distribution in a turbo generator with a massive rotor by different measuring methods". Proceedings of the 15th International Conference on Electrical Machines (ICEM), Brugge (Belgium), 2002.
2. Karmaker, H.; Knight, A.M.: "Fields, Damper Currents and Losses in Large Salient-Pole Synchronous Machines with Skewed Stator Slots", Proceedings of the 16th International Conference on Electrical Machines (ICEM), Cracow (Poland), 2004.
3. Karmaker, H.; Knight, A.M.: "Investigation and Simulation of Fields in Large Salient-Pole Synchronous Machines With Skewed Stator Slots". IEEE Transactions on Energy Conversion, Vol. 20, No. 3, September 2005.
4. Keller, S.: "Large Low Speed Hydrogenerators UMP and Additional Damper Losses in Eccentricity Conditions". Thése No 3773, École Polytechnique Fédérate de Lausanne, Switzerland, 2007.
5. Knight, A.M.; Karmaker, H.; Weeber, K.: "Prediction of Damper Winding Currents and Force Harmonic Components in Large Synchronous Machines". Proceedings of the 15th International Conference on Electrical Machines (ICEM), Brugge (Belgium), 2002.
6. Knight, A.M.; Karmaker, H.; Weeber, K.: "Use of a Permeance Model to Predict Force Harmonic Components and Damper Winding Effects in Salient-Pole Synchronous Machines". IEEE Transactions on Energy Conversion, Vol. 17, No. 4, December 2002.
7. Kratki, N.: "Spannungskurvenform, Dämpferströme und Zusatzverluste in Dämpferstäben bei Synchronmaschinen mit ausgeprägten Polen im Leerlauf. Dissertation, Universität Dortmund, Deutschland, 1984.
8. Lugand, T.: 'Two Dimensional Transient FE Analysis of Currents in the Damper Bars of Salient Pole Synchronous Machines". Engineering degree Thesis, ENSIEG-INPG, France, 2007.
9. Matsuki, J.; Katagi, T.; Okada, T.: "Slot Ripples in the Damper Windings of a Salient-Pole Synchronous Generator". IEEE Transactions on Energy Conversion, Vol. 9, No. 1, March 1994.
10. Nica, C.; Enache, S.; Enache, M.A.: "About Currents from the Damper Winding Bars of Three-Phase Synchronous Generator Connected on Rectifier". Proceedings of the 17th International Conference on Electrical Machines (ICEM), Chania (Greece), 2006.
11. Rocha E.J.J.; Johnny, J.; Uemori M.K., De Arruda Penteado A.: "The Damper Winding Influence Upon Salient Pole Synchronous Generator Electromotive Force". Proceedings of the IEEE International Electric Machines and Drives Conference (IEMDC), Milwaukee (WI, USA), 1997.
12. Schwery, A.; Traxler-Samek, G.; Schmidt, E.: "Application of a Transient Finite Element Analysis with Coupled Circuits to Calculate the Voltage Shape of a Synchronous Generator". Proceedings of the Tenth Biennial IEEE Conference on Electromagnetic Field Computation (CEFC), Perugia (Italy), 2002.
13. Traxler-Samek, G.; Schwery, A.; Schmidt, E.: "Analytic Calculation of the Voltage Shape of Salient Pole Synchronous Generators Including Damper Winding and Saturation Effects". COMPEL Journal, Vol. 22, No. 4, United Kingdom, 2003.