1 files changed, 20 insertions, 0 deletions
diff --git a/3760/CH4/EX4.86/Ex4_86.sce b/3760/CH4/EX4.86/Ex4_86.sce
new file mode 100644
index 000000000..5ccb21051
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+++ b/3760/CH4/EX4.86/Ex4_86.sce
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+clc;
+p=4000; // rated power of generator
+v=250; // rated voltage of generator
+ra=0.25; // armature resistance
+rf=100; // fiel resistance
+vr=20; // improving factor for voltage regulation
+g1=120; // generator gain
+// after deriving required expression
+il=p/v; // load current
+vgr=((il*ra)/v)*(1/vr); // pu full load generator regulation
+dvt=-vgr*v; // decrease in terminal voltage of generator from no load to full load 
+disp('case a');
+s=0.1; // feedback potentiometer setting
+A=(-dvt*rf-il*ra*rf)/(dvt*s*g1);
+printf('Amplifier gain is %f\n',A);
+disp('case b');
+s=1; // feedback potentiometer setting
+A=(-dvt*rf-il*ra*rf)/(dvt*s*g1);
+printf('Amplifier gain is %f\n',A);
+