A 3-phase, 260–V, 50-Hz, 22 HP, 6-pole, Y-connected induction motor has the following per phase parameters in ohms per-phase referred to the stator side: R1 = 0.04 Ω , R2 = 0.1 Ω , X1 = 0.223 Ω , X2 = 0.5 Ω , XM = 10 Ω The total friction, windage, and core losses can be assumed to be constant at 3 KW, independent of load. Find the starting code letter factor of this motor. Select one: a. Starting Code-Letter Factor is: C b. Starting Code-Letter Factor is: F c. None d. Starting Code-Letter Factor is: E e. Starting Code-Letter Factor is: D

A 3-phase, 260–V, 50-Hz, 22 HP, 6-pole, Y-connected induction motor has the following per phase parameters in ohms per-phase referred to the stator side: R1 = 0.04 Ω , R2 = 0.1 Ω , X1 = 0.223 Ω , X2 = 0.5 Ω , XM = 10 Ω The total friction, windage, and core losses can be assumed to be constant at 3 KW, independent of load. Find the starting code letter factor of this motor. Select one: a. Starting Code-Letter Factor is: C b. Starting Code-Letter Factor is: F c. None d. Starting Code-Letter Factor is: E e. Starting Code-Letter Factor is: D

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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