A 200U, loso rpm, 1o A Separately - excitedde motor is fed from a single -phase fullConverter with ac Source Voltage of 230V,50H2..Armatare Resistance is 12. Calculate firing angle for(i) rated motar torque at 500 rpm-Gi). half the Vatecd motor torque at 500Ypm

Given,200 V 1000 rpm 10A230 V, 50HzVm=2×230Vt=Ea+IaRaVt=Kmωm+IaRaFrom here,Km=Vt-IaRaωm…

* A 2000, loo rpm, 1oA Separately - excited de motor is fod from a Single -phase full Converter with ac Source volFage of 230v,50H2.. Armature Resistance is 152. Calculate firing angle for (i) rated motar torque at 5o0 rpn. lii). half the rated motor torgue at 500 rpm -',

* A 2000, loo rpm, 1oA Separately - excited de motor is fod from a Single -phase full Converter with ac Source volFage of 230v,50H2.. Armature Resistance is 152. Calculate firing angle for (i) rated motar torque at 5o0 rpn. lii). half the rated motor torgue at 500 rpm -',

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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6. The efficiency of DC to DC converter to drive de motor is --- than AC to DC Drives a) lower b) equal e) higher 7- The Four-quadrant operation of de motor can he implanted using -- e) Semiconverter 8. The supply froqueney of induction motor using frequency control is changed to - a) Full converter b) Dual converter a) abuve rated frequency. b) below rated frequency. e) Abuve and below rated frequency. 9. The stable operation in torque- speed churacteristic for induction motor occur: e) at slip 05 to Sms 10. The regenerative hraking for de to de convernter fed de motor would be effective if the a) between maximum slip and s0 h)at slip =1 operating speed m : a) or t b) > uin c) thi
Q5:- Adjust a fire angle for a three-phase full-wave semi-controlled converter to feed the separately exciter DC motor to get a load torque that can be reached to 730 rpm. When the supply voltage of converter is 160 volts per-phase and the absorbed current through the armature 40A with resistance 0.2 a and a constant back emf 0.4v/rpm. Then find the maximum speed for motor assume the previous parameters values are a constant.