The phase shift means is arranged to adjust the phase angle of all the remaining phases by {HEAD ~ the same predetermined angle} to maximize {TAIL ~ the torque ripple free power output} of the synchronous electrical machine 
The phase shift means is arranged to adjust the phase angle of all the remaining phases by { HEAD ~ the same predetermined angle } to maximize { TAIL ~ the torque ripple free power output } of the synchronous electrical machine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH