131 A 4-pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 750 rpm, the supply frequency is: Hz (b) 25 Hz (c) 50 Hz (d) 60 Hz

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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131 A 4-pole, 3-phase induction motor is running at
4% slip at full load. If the speed of the motor is
750 rpm, the supply frequency is:
(a) 16 Hz
(b) 25 Hz
(c) 50 Hz
(d) 60 Hz
Transcribed Image Text:131 A 4-pole, 3-phase induction motor is running at 4% slip at full load. If the speed of the motor is 750 rpm, the supply frequency is: (a) 16 Hz (b) 25 Hz (c) 50 Hz (d) 60 Hz
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