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1- A three phase Y connected, 480 V, Induction motor has the following parameters: R

1- A three phase Y connected, 480 V, Induction motor has the following parameters: R

Introductory Circuit Analysis (13th Edition)
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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consider 2 poles

1- A three phase Y connected, 480 V, Induction motor has the following parameters: R1=0.2, R2=0.3, X1=0.42 and X2=0.42 ohm/phase. The input power is at 60 Hz. Find: a. The slip when the torque is maximum b. The torque when the motor is starting c. What is the value for R2 if the maximum torque happens at 6% slip? d. Find the efficiency of the machine
Transcribed Image Text:1- A three phase Y connected, 480 V, Induction motor has the following parameters: R1=0.2, R2=0.3, X1=0.42 and X2=0.42 ohm/phase. The input power is at 60 Hz. Find: a. The slip when the torque is maximum b. The torque when the motor is starting c. What is the value for R2 if the maximum torque happens at 6% slip? d. Find the efficiency of the machine
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