Title :
The influence of coil parameters on the voltage distribution in a machine stator winding fed by a PWM inverter
Author :
Petrarca, C. ; Lupó, G. ; Tucci, V. ; Vitelli, M.
Author_Institution :
Dipt. di Ing. Elettrica, Univ. di Napoli Federico II, Italy
Abstract :
The present paper is dedicated to the evaluation of the influence played by important design parameters like the interturn insulation thickness and the insulating material permittivity on the voltage distribution among the coils of a stator winding fed by a PWM inverter. The system, composed of a feeder cable and a stator winding is modeled and simulated by using multiconductor transmission line theory. A recently developed time-domain equivalent circuit is used to represent the multiconductor line, with losses possibly dependent on frequency, which allows to correctly describe the dielectric losses and the skin-effect in the conductors. The obtained results can offer a broad guideline to design engineers for a suitable dimensioning of the motor insulation
Keywords :
PWM invertors; coils; dielectric losses; equivalent circuits; machine insulation; multiconductor transmission lines; skin effect; stators; transmission line theory; voltage distribution; PWM inverter; coil; dielectric loss; feeder cable; insulating material permittivity; interturn insulation thickness; machine stator winding; multiconductor transmission line theory; skin effect; time-domain equivalent circuit; voltage distribution; Circuit simulation; Coils; Dielectric losses; Multiconductor transmission lines; Permittivity; Power cable insulation; Power cables; Pulse width modulation inverters; Stator windings; Voltage;
Conference_Titel :
Electrical Insulation and Dielectric Phenomena, 2000 Annual Report Conference on
Conference_Location :
Victoria, BC
Print_ISBN :
0-7803-6413-9
DOI :
10.1109/CEIDP.2000.884005
