1. The rated current of 15 hp, 220V sepurately excited DC motor is- a) 50.87A 2 If the load torque T of induction motor proportional to square of the rated speed, what will he the value of load torque if the motor speed teduces to half rated speed. b) 60.2 A c) 4031A a) 2-T b) 4 T e) 4«TL 3. In stator voltage control strategy of induction motor, the variable stator voltage will be: a) abuve rated voltage h) below thuan rated voltage e) above and below rated voltage 4. The constant torque operation of separately escited de motor can be obtained: a) constant field current. b) costunt armature curtent. clconstant field and armature current 5. The speed control of AC motor using current control is done hy using a) Voltage Source inverter b) Current source inverter e) AC voltage controller.

1. The rated current of 15 hp, 220V sepurately excited DC motor is- a) 50.87A 2 If the load torque T of induction motor proportional to square of the rated speed, what will he the value of load torque if the motor speed teduces to half rated speed. b) 60.2 A c) 4031A a) 2-T b) 4 T e) 4«TL 3. In stator voltage control strategy of induction motor, the variable stator voltage will be: a) abuve rated voltage h) below thuan rated voltage e) above and below rated voltage 4. The constant torque operation of separately escited de motor can be obtained: a) constant field current. b) costunt armature curtent. clconstant field and armature current 5. The speed control of AC motor using current control is done hy using a) Voltage Source inverter b) Current source inverter e) AC voltage controller.

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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