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+//CHAPTER 3- THREE-PHASE A.C. CIRCUITS
+//Example 7
+
+disp("CHAPTER 3");
+disp("EXAMPLE 7");
+
+//VARIABLE INITIALIZATION
+v_ph=200;                            //phase voltage in Volts
+r1=5;                                //in Ohms
+r2=8;                                //in Ohms
+r3=10;                               //in Ohms
+
+//SOLUTION
+I1=v_ph/r1;
+I2=v_ph/r2;
+I3=v_ph/r3;
+disp(sprintf("The current in the three phases are %d A, %d A and %d A",I1,I2,I3));
+
+I_x=0+I2*(sqrt(3)/2)-I3*(sqrt(3)/2); //x-component of the three currents =>I_x = I1*cos(90) + I2*cos(30) + I3*cos(30)
+I_y=I1-(I2*0.5)-(I3*0.5);            //y-component of the three currents =>I_y = I1*sin(90) + I2*sin(30) + I3*sin(30)
+I=sqrt((I_x^2)+(I_y^2));
+disp(sprintf("The neutral current is %.2f A",I));
+
+p1=v_ph*I1;                          //power consumed in 1st phase
+p2=v_ph*I2;                          //power consumed in 2nd phase
+p3=v_ph*I3;                          //power consumed in 3rd phase
+disp(sprintf("The power consumed in the three phases are %d W, %d W and %d W",p1,p2,p3));
+
+p=p1+p2+p3; 
+disp(sprintf("The total power is %d W",p));
+
+//END
+