The phase windings of a three-phase induction motor shown in figure (a) are supplied by the phase currents shown in figure (b). Answer the followings: 1. Direction of rotating magnetic field is: (choose your answer) a) Stationary b) Counterclockwise c) Clockwise 2. The synchronous speed equals rpm 3. Show steps of your answer. A • C • В (a) Simplified three-phase induction motor iabe (Ampere) ib ia ic 10 t (seconds -5 -10 0.002 0.004 0.006 0.008 0.01 0.012 0.014 0.016 (b) Three-Phase supply to stator windings *********

The phase windings of a three-phase induction motor shown in figure (a) are supplied by the phase currents shown in figure (b). Answer the followings: 1. Direction of rotating magnetic field is: (choose your answer) a) Stationary b) Counterclockwise c) Clockwise 2. The synchronous speed equals rpm 3. Show steps of your answer. A • C • В (a) Simplified three-phase induction motor iabe (Ampere) ib ia ic 10 t (seconds -5 -10 0.002 0.004 0.006 0.008 0.01 0.012 0.014 0.016 (b) Three-Phase supply to stator windings *********

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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