//refer Fig. 23.25 in the textbook k1=40//current scale Vph=400/sqrt(3)//voltage per phase P=k1*Vph//power per phase k2=3*P//power scale //calculating full load stator current P=33.6D+3//output of motor P1=P/k2//ouput of motor to scale //P is the corresponding operating point OP=1.55 I1=OP*k1 phi1=28.5 mprintf("Full load stator current=%f A with %f power factor lagging\n",I1,cos(phi1*%pi/180)) //calculating efficiency at full load PL=2.35 PX=2.75 e=PL/PX*100 mprintf("Efficiency at full load=%f percent\n",e) //calculating max power output NPm=2.6 mprintf("Maximum output power=%f kW\n",NPm*k2*10^-3) //calculting max torque developed MTm=3.12 mprintf("Maximum torque developed by the motor=%f kW",MTm*k2*10^-3) //answers vary from the textbook due to round off error