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authorpriyanka2015-06-24 15:03:17 +0530
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+//CHAPTER 10- THREE-PHASE INDUCTION MACHINES
+//Example 6
+
+disp("CHAPTER 10");
+disp("EXAMPLE 6");
+
+//VARIABLE INITIALIZATION
+P=4; //number of poles
+f_r=2; //rotor frequency in Hertz
+f_s=50; //stator frequency in Hertz
+E=400; //line voltage in Volts
+ratio=1/0.5; //stator to rotor turn ratio
+
+//SOLUTION
+s=f_r/f_s;
+N_s=(120*f_s)/P; //synchronous speed
+N_r=N_s*(1-s); //rotor speed
+N_r=round(N_r);
+disp(sprintf("The speed of the motor is %d rpm",N_r));
+E_s=E/sqrt(3); //phase voltage=(line voltage)/sqrt(3) for star connection
+E_r=E_s*(1/ratio);
+E_r_dash=s*E_r;
+disp(sprintf("The rotor induced emf above 2 Hz is %.3f V per phase",E_r_dash)); //Answer given in the book is wrong
+
+//END
+