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+//Example 9_17 page no:373
+clc;
+Vl=440;//line voltage
+Vrnmag=254;//phase voltage
+Vrnang=0;
+Vynmag=254;
+Vynang=-120;
+Vbnmag=254;
+Vbnang=-240;
+Zmag=25;
+Zang=53.13;
+//calculating the phase current
+Irmag=Vrnmag/Zmag;
+Irang=Vrnang-Zang;
+Iymag=Vynmag/Zmag;
+Iyang=Vynang-Zang;
+Ibmag=Vbnmag/Zmag;
+Ibang=Vbnang-Zang;
+disp(Irmag,"the magnitude of Ir is (in I)");
+disp(Irang,"the angle of Ir is (in degree)");
+disp(Iymag,"the magnitude of Iy is (in I)");
+disp(Iyang,"the angle of Iy is (in degree)");
+disp(Ibmag,"the magnitude of Ib is (in I)");
+disp(Ibang,"the angle of Ib is (in degree)");
+P=sqrt(3)*Vl*Irmag*cosd(53.13);
+disp(P,"the power absorbed by the load is (in W)");