Title :
The influence of the harmonics on the temperature of electrical Machines
Author :
Fouladgar, Javad ; Chauveau, Eric
Author_Institution :
Inst. de Recherche en Electrotechnique et Electronique de Nantes-Atlantique, Saint Nazaire, France
fDate :
5/1/2005 12:00:00 AM
Abstract :
In this paper, we study the temperature rise in an asynchronous motor with nonsinusoidal voltage feeding. The stator and rotor current harmonics are calculated using a time step method. Inverse problem techniques are used to evaluate the homogenized electromagnetic and thermal characteristics of the stator windings. Temperatures in sinusoidal approximation and harmonic currents are compared with experimental measurements.
Keywords :
electric machines; finite element analysis; induction motors; inverse problems; magnetic fields; rotors; stators; thermal analysis; asynchronous motor; current harmonics; electrical machines; electromagnetic characteristic; finite element method; inverse problem techniques; nonsinusoidal voltage feeding; rotor current; sinusoidal approximation; stator current; stator windings; temperature rise; thermal characteristics; time step method; Bars; Circuits; Equations; Finite element methods; Frequency conversion; Inverse problems; Rotors; Stator windings; Temperature; Voltage; Circuit equations; electrical machines; finite element method; harmonic current; homogenization; temperature rise;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2005.846113
