What does the space angle in the equation Fr( ,t)=3/2Fmcos( - t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?

Question

What does the space angle   in the equation Fr( ,t)=3/2Fmcos( - t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?

TuteeHUB · Accepted Answer

Entire MMF waveform is travelling at (constant angular speed) synchronous speed

TuteeHUB · Answer

MMF wave at any moment is sinusoidally distributed in space

TuteeHUB · Answer

Entire MMF waveform is travelling at (constant angular speed) synchronous speed

TuteeHUB · Answer

MMF wave is of constant amplitude

TuteeHUB · Answer

None of the mentioned

1.	What does the space angle in the equation Fr( ,t)=3/2Fmcos( - t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?
A.	MMF wave at any moment is sinusoidally distributed in space
B.	Entire MMF waveform is travelling at (constant angular speed) synchronous speed
C.	MMF wave is of constant amplitude
D.	None of the mentioned
Answer» B. Entire MMF waveform is travelling at (constant angular speed) synchronous speed

What does the space angle in the equation Fr( ,t)=3/2Fmcos( - t) for MMF produced when 3-phase balanced windings excited by three phase balanced currents represent?

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