1 files changed, 14 insertions, 0 deletions
diff --git a/3760/CH5/EX5.55/Ex5_55.sce b/3760/CH5/EX5.55/Ex5_55.sce
new file mode 100644
index 000000000..2c0d0c89b
--- /dev/null
+++ b/3760/CH5/EX5.55/Ex5_55.sce
@@ -0,0 +1,14 @@
+clc;
+p=30*10^6; // rated power of alternator
+v=11000; // rated voltage of alternator
+zs=0.005+0.70*%i; // p.u synchronous reactance
+Ef=1.5; // p.u. excitation EMF
+ia=1; // p.u. armature current
+vt=1; // p.u. terminal voltage
+t1=Ef^2-(real(zs)*ia)^2-(imag(zs)*ia)^2-1;
+t2=sqrt((2*ia*real(zs))^2+(2*ia*imag(zs))^2);
+t3=atand((2*ia*real(zs))/(2*ia*imag(zs))); // terms needed to find out power factor
+pf=cosd(asind(t1/t2)-t3); 
+printf('Power factor is %f lagging\n',pf); 
+de=acosd((ia*abs(zs)^2-Ef^2-vt^2)/(-2*Ef*vt)); 
+printf('Load angle is %f degrees',de);