The Vector Control of Three-Phase Salient Pole Synchronous Machines Supplied by Pulse-Width-ModuIated Voltage
Source Inverters
J. Soltani and M. Fallah
Department of Electrical and Computer Engineering, Isfahan University of Technology
ABSTRACT” In this paper, computer simulation of a three-phase synchronous motor drive is described. This drive/system is supplied with a new type of pulse-width modulated voltage source inverter (PWM VSI) whose amplitude of the first harmonic, compared to a conventional sinusoidal PWM VSI, is increased by about 17% and whose amplitude of higher harmonics is also reduced inversely proportional to their orders. This system has low torque pulsations and approximately has a unity power factor at operation below the base speed. In addition, it has a dynamic performance very close to DC drives with quick dynamic response.

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rotor-flux oriented reference frame
pulse width modulation
permanent magnet

brushless-DC motor
uniform sampling pulse width7. sinusoidal pulse width modulationmodulation
step trapezoidal pulse width8. robust modulation
rotor damper windings
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