initial commit / add all books

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+clc

+//variable initialisation

+Vph=2200 //Supply Voltage in volt

+F=50 //supply frequency in Hz

+Pout=2600 // Output Of Motor In KW

+P=8 //Number Of Poles

+N1=735 //Speed OF Motor In rpm

+Rs=0.075 //Resistance of stator in ohm

+Rr=0.1 //Resistance of rotor in ohm

+Xs=0.45 //Reactance of Motor in ohm

+Xr=0.55 //Reactance of Motor in ohm

+

+//Solution

+Ns=(120*F)/P

+S=(Ns-N1)/Ns

+Iph=Vph/sqrt((Rs+((Rr/S)^2))+((Xs+Xr)^2))

+Il=sqrt(3)*Iph

+Wms=(2*%pi*Ns)/60

+Tl=(3*((Iph)^2))/(S*(Wms))

+Ilm=Vph/(sqrt(3)*sqrt(((Rs+Rr)^2)+((Xs+Xr)^2)))

+S2=1

+Tst=(3*(((Ilm)^2)*0.1))/(S2*Wms)

+r1=Tst/Tl//ratio of Tst and Tl

+Tmax=(3/(2*Wms))*(((Vph/sqrt(3))^2)/((Rs+sqrt((Rs^2)+((Xs+Xr)^2)))))

+r2=Tmax/Tl//ratio of Tmax and Tl

+Rr2=0.15

+Xr2=0.9

+Il1=(sqrt(3)*Vph)/(sqrt(((Rs+Rr)^2)+((Xs+Xr2)^2)))

+Iph1=Il1/(sqrt(3))

+Tst1=(3*((Iph1)^2)*(Rr))/(Wms)

+Rs1=Rs/3

+Rr1=Rr/3

+Xs1=Xs/3

+Xr1=Xr/3

+Inew=2*Il

+X=sqrt(((Vph/(sqrt(3)*Inew))^2)-((Rs1+Rr1)^2))

+Xe=X-Xs1-Xr1

+printf('\n\n Ratio of starting torque and load torque=%0.1f \n\n',r1)//The answer provided in the textbook is wrong

+printf('\n\n Ratio of maximum torque and load torque=%0.1f \n\n',r2)

+printf('\n\n The Maximum line current during starting=%0.1f Amp\n\n',Il1)//The answer provided in the textbook is wrong

+printf('\n\n The maximum torque at starting=%0.1f N-m\n\n',Tst1)//The answer provided in the textbook is wrong

+printf('\n\n The required value of reactor=%0.1f ohm\n\n',Xe)