Title :
EMF computation with commutation phenomena effects for PM DC motor
Author :
Fassenet, M. ; Chamagne, D. ; Pera, T. ; Kauffmann, J.-M.
Author_Institution :
Lab. d´´Electron., d´´Electrotech. et des Syst., Belfort, France
Abstract :
A method for modelling the effect of commutation for a radial-field DC motor is presented to enable the analytical prediction of the oscillations of the induced EMF as well as its average value. Commutation phenomena are considered. A mathematical approach is based on the superposition of EMF induced in each coil of the armature winding. A classical model for magnetic field distribution produced by magnets is reviewed. It takes into account implicitly the iron saturation and the effect of rotor slots opening. Model forecasts are consistent with results obtained by finite element analysis as well as experimental results
Keywords :
DC motors; commutation; machine theory; magnetic fields; oscillations; permanent magnet motors; rotors; EMF computation; PM DC motor; armature winding; coil; commutation phenomena effects; finite element analysis; iron saturation; magnetic field distribution model; mathematical approach; oscillations; radial-field DC motor; rotor slots opening effect; superposition; Air gaps; Analytical models; Coils; Commutation; DC motors; Magnetic analysis; Magnetic fields; Magnetic flux; Magnets; Saturation magnetization;
Conference_Titel :
Electric Machines and Drives Conference, 2001. IEMDC 2001. IEEE International
Conference_Location :
Cambridge, MA
Print_ISBN :
0-7803-7091-0
DOI :
10.1109/IEMDC.2001.939389
