//Example 9_10 page no:361 clc; Vrnmag=230; Vynmag=230; Vbnmag=230; Vrnang=0; Vynang=-120; Vbn=-240; //calculating the line voltages magnitude and angle Vrymag=sqrt(3)*230; Vybmag=sqrt(3)*230; Vbrmag=sqrt(3)*230; Vryang=30; Vybang=-120+30; Vbrang=-240+30; disp(Vrymag,"the magintude of Vry is(in volt)"); disp(Vryang,"the angle of Vry is (in degree)"); disp(Vybmag,"the magintude of Vyb is(in volt)"); disp(Vybang,"the angle of Vyb is (in degree)"); disp(Vbrmag,"the magnitude of Vbr is(in volt)"); disp(Vbrang,"the angle of Vbr is (in degree)");