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+//Example_a_9_9 page no:408
+clc;
+V=400;
+Irmag=10;
+Irang=-36.88;
+Iymag=5;
+Iyang=45.57;
+Ibmag=7;
+Ibang=0;
+pf1=0.8;
+pf2=0.7;
+pf3=1;
+Irreal=Irmag*cosd(Irang);
+Irimag=Irmag*sind(Irang);
+Ir=Irreal+(%i*Irimag);
+Iyreal=Iymag*cosd(Iyang);
+Iyimag=Iymag*sind(Iyang);
+Iy=Iyreal+(%i*Iyimag);
+Ibreal=Ibmag*cosd(Ibang);
+Ibimag=Ibmag*sind(Ibang);
+Ib=Ibreal+(%i*Ibimag);
+I1=Ir-Ib;
+I2=Iy-Ir;
+I3=Ib-Iy;
+I1mag=sqrt(real(I1)^2+imag(I1)^2);
+I1ang=atand(imag(I1)/real(I1));
+I2mag=sqrt(real(I2)^2+imag(I2)^2);
+I2ang=atand(imag(I2)/real(I2));
+I2ang=I2ang+180;//converting the angle to positive
+I3mag=sqrt(real(I3)^2+imag(I3)^2);
+I3ang=atand(imag(I3)/real(I3));
+Pry=V*Irmag*pf1;
+Pyb=V*Iymag*pf2;
+Pby=V*Ibmag*pf3;
+Pt=Pry+Pyb+Pby;
+disp(I1mag,"the magnitude of current I1 is (in A)");
+disp(I1ang,"the angle of current I1 is (in degree)");
+disp(I2mag,"the magnitude of current I2 is (in A)");
+disp(I2ang,"the angle of current I2 is (in degree)");//I2 angle is wrongly calculated in text book
+disp(I3mag,"the magnitude of current I3 is (in A)");
+disp(I3ang,"the angle of current I3 is (in degree)");
+disp(Pt,"the total power consumed by the load is (in W)");
+//I2 angle is wrongly calculated in text book, correct calculation is done here