Q4// A single phase 230V, 50 Hz, two pole induction motor has the following constant in equivalent circuit: RI= 2.2 ohm; X1-3.0 ohm ; R'2 3.8 ohm; X'2 = 2.1 ohm ; Xm 86 ohm. Calculate the input current and input power when the motor is operating at full-load speed of 2820 rpm. If the mechanical losses (iron and friction loss) are 50 W, determine gross power developed and efficiency.

Q4// A single phase 230V, 50 Hz, two pole induction motor has the following constant in equivalent circuit: RI= 2.2 ohm; X1-3.0 ohm ; R'2 3.8 ohm; X'2 = 2.1 ohm ; Xm 86 ohm. Calculate the input current and input power when the motor is operating at full-load speed of 2820 rpm. If the mechanical losses (iron and friction loss) are 50 W, determine gross power developed and efficiency.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter8: Basic Electric Motors

Section: Chapter Questions

Problem 28RQ: What are the advantages and disadvantages of using the following types of motors? shaded-pole...

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