coupling a first comparator to said first motor generator set for comparing actual output power, P1A, with said signal representing {HEAD ~ said established predetermined maximum power}, {TAIL ~ PMAX}, and generating a first output signal only when P1A =PMAX, 
coupling a first comparator to said first motor generator set for comparing actual output power , P1A , with said signal representing { HEAD ~ said established predetermined maximum power } , { TAIL ~ PMAX } , and generating a first output signal only when P1A = PMAX ,
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 OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH