4. An induction motor draws 4.5 A at a 0.75 lagging power factor from a 208V, 60 Hz source.a) What value of capacitance must be connected in parallel with the motor to raise the overall p.f. to 1.b) Calculate the magnitudes of the motor current, capacitor current and source current with the capacitor inplace.5. A 3-phase Y-connected motor is connected to a three phase Y-conected source with 440V line voltage. It drawsa line current of 5A from the source. If the power factor of the motor is 0.8, calculatea) Active power and Reactive power absorbed by the loadb) Total Apparent power

Only one question is to be answered according to bartleby policy.

4. An induction motor draws 4.5 A at a 0.75 lagging power factor from a 208V, 60 Hz source. a) What value of capacitance must be connected in parallel with the motor to raise the overall p.f. to 1. b) Calculate the magnitudes of the motor current, capacitor current and source current with the capacitor in place.

4. An induction motor draws 4.5 A at a 0.75 lagging power factor from a 208V, 60 Hz source. a) What value of capacitance must be connected in parallel with the motor to raise the overall p.f. to 1. b) Calculate the magnitudes of the motor current, capacitor current and source current with the capacitor in place.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

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Induction motors and welding transformers require magnetizing current, which causes a. lagging power factor. b. leading power factor. c. unity power factor. d. zero power factor.
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