Copy of Rotating magnetic field
How a rotating magnetic field is obtained by combining three pulsating fixed magnetic fields generated by three windings displaced by 120° and supplied the three equal sinusoidal currents displaced by 120°. The amplitude of the rotating magnetic field is 3/2 of the maximum amplitude of the single phase field.
, , : phase currents
, , : vectors representing the phase magnetic fields along the winding magnetic axis
: vector corresponding to the resulting magnetic field along the maximum amplitude direction (magnetic axis)