DocumentCode :
2653931
Title :
Study of synchronous generator eccentricities using analytical approach and FEM
Author :
Iamamura, B.A.T. ; Le Menach, Y. ; Tounzi, A. ; Sadowski, N. ; Guillot, E.
Author_Institution :
EDF-Lamel, Clamart, France
fYear :
2010
fDate :
6-8 Sept. 2010
Firstpage :
1
Lastpage :
6
Abstract :
This paper deals with the study of rotor turbogenerator eccentricities using an analytical approach and FEM. First, we present the cases of eccentricities and the method, based on the measure of the flux density in the air-gap, used to detect the faults. Both models, the analytical approach and the numerical one are then introduced. Using these models, static, dynamic and combined eccentricities are studied at no load. The results obtained by both approaches are compared and the limits of the analytical model are underlined relatively to the effect of the non linearity of the magnetic material characteristic and the induced eddy currents.
Keywords :
air gaps; eddy currents; fault diagnosis; finite element analysis; machine theory; magnetic flux; rotors; synchronous generators; turbogenerators; FEM; air gap; combined eccentricity; dynamic eccentricity; eddy currents; fault detection; flux density; magnetic material nonlinearity; rotor turbogenerator eccentricity; static eccentricity; synchronous generator eccentricity; Analytical models; Harmonic analysis; Magnetic flux density; Magnetomechanical effects; Rotors; Stators; Air-gap; Fault diagnosis; Finite element method; Magnetic flux density; Turbogenerators;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electrical Machines (ICEM), 2010 XIX International Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4244-4174-7
Electronic_ISBN :
978-1-4244-4175-4
Type :
conf
DOI :
10.1109/ICELMACH.2010.5608249
Filename :
5608249
Link To Document :
بازگشت