1 files changed, 16 insertions, 0 deletions
diff --git a/3760/CH5/EX5.34/Ex5_34.sce b/3760/CH5/EX5.34/Ex5_34.sce
new file mode 100644
index 000000000..354bb19b3
--- /dev/null
+++ b/3760/CH5/EX5.34/Ex5_34.sce
@@ -0,0 +1,16 @@
+clc;
+vt=1; // pu rated voltage
+xd=1; // pu d-axis synchronous reactance
+xq=0.6; // pu q-axis synchronous reactance
+p=0.9; // pu power being delivered
+pf=0.8; // power factor
+ia=p/(vt*pf); // pu armature current
+de=atand((ia*xq+vt*sind(acosd(pf)))/(vt*pf))-acosd(pf); 
+printf('Load angle is %f degrees\n',de);
+Ef=vt*cosd(de)+ia*sind(de+acosd(pf))*xd;
+printf('Excitation voltage is %f p.u.\n',Ef);
+// when loss of excitation takes place Ef=0, for maximum power load angle=45 
+de=45; // load angle
+pmax=(vt^2*(xd-xq)*sind(2*de))/(2*xd*xq);
+printf('Maximum power is %f p.u.\n',pmax);
+disp('As maximum power is less than the power being delivered generator will lose synchronism');