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-rwxr-xr-xWorking_Examples/83/CH4/EX4.3/example_4_3.sce24
-rwxr-xr-xWorking_Examples/83/CH4/EX4.3/result_example_4_3.txt5
2 files changed, 29 insertions, 0 deletions
diff --git a/Working_Examples/83/CH4/EX4.3/example_4_3.sce b/Working_Examples/83/CH4/EX4.3/example_4_3.sce
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@@ -0,0 +1,24 @@
+//Taking Base value MVA and KVA
+clear;clc;
+mvab=645; //Base MVA in 3-phase
+kvb=24; //Base KV,line-to-line
+
+vl=24/kvb; //Load voltage
+xs=1.2;
+xs=(xs*mvab)/kvb^2; // xs converted to its pu
+
+//since the generator is operating at full load & 0.9pf
+pf_angle=acos(0.9);
+Ia=1*(cos(pf_angle)-%i*sin(pf_angle)); //load current
+//to find excitation emf
+ef=vl+%i*xs*Ia;
+delta=atand(imag(ef)/real(ef));//positive for leading
+ef=abs(ef)*kvb; //pu to actual unit conversion
+ if(delta>0) then lead_lag='leading';
+ else lead_lag='lagging';
+ end
+printf('Excitation emf= %0.2f kV at an angle %0.3f (%s) \n\n',ef,delta,lead_lag);
+//to find reactive power drawn by load
+Q=vl*abs(imag(Ia));
+Q=Q*mvab; //pu to actual unit conversion
+printf('Reactive power drawn by laod= %d MVAR',Q);
diff --git a/Working_Examples/83/CH4/EX4.3/result_example_4_3.txt b/Working_Examples/83/CH4/EX4.3/result_example_4_3.txt
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+++ b/Working_Examples/83/CH4/EX4.3/result_example_4_3.txt
@@ -0,0 +1,5 @@
+
+Excitation emf= 47.86 kV at an angle 37.331 (leading)
+
+Reactive power drawn by laod= 281 MVAR
+