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