For a single-phase one-quadrant boost rectifier with power factor correction, the input AC voltage source Vin=220 V (RMS value), f=50 Hz and the output DC voltage is kept constant at Vd=350 V. The converter is supplying a DC motor drive (DC-DC converter + DC motor) having the following parameters: the nominal voltage, power and speed of the motor Vn=500 V, Pn=2500 W, nn=2000 rpm. a) Design the DC-DC converter of the DC motor drive, finding the key parameters, such that the converter is able to modify the motor speed in the range n=(0.5 ÷ 1) nn . Assume that the converter is working at the switching frequency fs=100 kHz, the inductor current ripple is Ai̟=10%, the voltage output ripple is Avo=± 2%. The motor is a PM DC motor working with a constant mechanical torque over the speed range. Neglect the losses and consider the efficiency 100%.

For a single-phase one-quadrant boost rectifier with power factor correction, the input AC voltage source Vin=220 V (RMS value), f=50 Hz and the output DC voltage is kept constant at Vd=350 V. The converter is supplying a DC motor drive (DC-DC converter + DC motor) having the following parameters: the nominal voltage, power and speed of the motor Vn=500 V, Pn=2500 W, nn=2000 rpm. a) Design the DC-DC converter of the DC motor drive, finding the key parameters, such that the converter is able to modify the motor speed in the range n=(0.5 ÷ 1) nn . Assume that the converter is working at the switching frequency fs=100 kHz, the inductor current ripple is Ai̟=10%, the voltage output ripple is Avo=± 2%. The motor is a PM DC motor working with a constant mechanical torque over the speed range. Neglect the losses and consider the efficiency 100%.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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