A three phase 2850 rpm, 50 Hz, 2-pole, 200 VLL, delta-connected induction motor is operating under rated conditions and has the following impedances at standstill (all referred to the stator side). Stator: (0.5 + j 2.0)2 Rotor: (1.0 + j 2.5) 2. The no load current is (1.0 – j4.6) A. The losses due to friction and windage of the entire machine = 150 W. a) Draw the equivalent circuit with values for parameters of this machine at slip s Determine the following: b) Slip at which the motor is operating c) Input line current d) Air gap power per phase e) Output Torque f) Efficiency
A three phase 2850 rpm, 50 Hz, 2-pole, 200 VLL, delta-connected induction motor is operating under rated conditions and has the following impedances at standstill (all referred to the stator side). Stator: (0.5 + j 2.0)2 Rotor: (1.0 + j 2.5) 2. The no load current is (1.0 – j4.6) A. The losses due to friction and windage of the entire machine = 150 W. a) Draw the equivalent circuit with values for parameters of this machine at slip s Determine the following: b) Slip at which the motor is operating c) Input line current d) Air gap power per phase e) Output Torque f) Efficiency
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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