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

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

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Similar questions

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