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 Sinusoidal windings: Field space distributions at time t

One phase of a stator 2-pole sinusoidal winding is pictured.The size of the red circles gives a measure of this spatial distribution. The winding normally carries a time-varying current usually sinusoidal. At a given time, the air-gap field B is also  sinusoidally distributed in space as seen in this animation. This sinusoidal distribution may be represented by a space vector oriented along the horizontal axis.

Press this button to view the space distributions when the current excitation varies sinusoidally with time.                         

© M. Riaz