B. The name-plate of a squirrel-cage induction motor has the following information: Rated power: 50 hp; rated voltage: 400 V; rated frequency: 50 Hz; rated speed: 1480 rpm. When the machine is run on no-load at rated voltage, it draws a stator current of 13.5 A at a power factor of 0.16 lagging. The stator winding resistance is 0.1 , the rotor winding resistance is 0.05 , the stator leakage inductance is 2 mH and the rotor leakage inductance is 2 mH. i. What is the synchronous speed of this machine? Calculate the no-load losses of the machine. ii. iii. Calculate the magnetizing inductance of this machine.

B. The name-plate of a squirrel-cage induction motor has the following information: Rated power: 50 hp; rated voltage: 400 V; rated frequency: 50 Hz; rated speed: 1480 rpm. When the machine is run on no-load at rated voltage, it draws a stator current of 13.5 A at a power factor of 0.16 lagging. The stator winding resistance is 0.1 , the rotor winding resistance is 0.05 , the stator leakage inductance is 2 mH and the rotor leakage inductance is 2 mH. i. What is the synchronous speed of this machine? Calculate the no-load losses of the machine. ii. iii. Calculate the magnetizing inductance of this machine.

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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