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+//CHAPTER 7- SINGLE PHASE TRANSFORMER
+//Example 30
+
+disp("CHAPTER 7");
+disp("EXAMPLE 30");
+
+//VARIABLE INITIALIZATION 
+v1=6600;                                //primary voltage in Volts
+v2=440;                                 //secondary voltage in Volts
+e_r=0.02;                               //equivalent resistance
+e_x=0.05;                               //equivalent reactance
+pf=0.8;
+//
+//SOLUTION  
+phi=acos(pf);
+reg=e_r*cos(phi)+e_x*sin(phi);
+V2=v2*(1-reg);
+disp(sprintf("The secondary terminal voltage is %f V",V2));
+disp(" "); 
+// 
+//END