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