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//Book Name: Fundamentals of electrical drives by Mohamad A. El- Sharkawi
//chapter 11
//example 11.1
//edition 1
//publisher and place:Nelson Engineering
clc;
clear;
Kphi=3; //constant in Vsec
Ra=1; //resistance in ohm
La=10; //inductance in mH
V=600; //rated voltage of the motor in volt
Vt=150; //starting voltage in volt
Tl=20; //constant torque in Nm
m=6; //total moment of inertia in Nm sec^2
omegaf=(Vt/Kphi)-((Ra*Tl)/Kphi^(2));
nf=(omegaf*60)/(2*%pi);
mprintf("\nThe motor speed after 5 sec is %d rpm",nf)
//The plot obtained in the book is using a simulation software using specific design that is avaliable in the software.In scilab or xcos there is no option to simulate DC shunt motor
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