Q1/A 4-pole, 1755 rpm, 60 Hz, 3-phase induction motor star has the following circuit model parameters: R₁-0.2 2, R₂ -0.1 2, X, -0.5 02, X₂-0.2 2, X, -20 2 and the phase voltage is 231 V. If rotational loss of 900 W and R. is negligible, calculates: 1- The input current and the electromagnetic torque. 2- The speed at maximum torque and the efficiency of rotor. 3- The maximum gross power and the slip at which it occurs when exciting circuit is omitted.

Q1/A 4-pole, 1755 rpm, 60 Hz, 3-phase induction motor star has the following circuit model parameters: R₁-0.2 2, R₂ -0.1 2, X, -0.5 02, X₂-0.2 2, X, -20 2 and the phase voltage is 231 V. If rotational loss of 900 W and R. is negligible, calculates: 1- The input current and the electromagnetic torque. 2- The speed at maximum torque and the efficiency of rotor. 3- The maximum gross power and the slip at which it occurs when exciting circuit is omitted.

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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