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Diffstat (limited to '3888/CH3/EX3.4/Ex3_4.sce')
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diff --git a/3888/CH3/EX3.4/Ex3_4.sce b/3888/CH3/EX3.4/Ex3_4.sce new file mode 100644 index 000000000..ff2129764 --- /dev/null +++ b/3888/CH3/EX3.4/Ex3_4.sce @@ -0,0 +1,75 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 3.4
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+MVAnew=100; //MVA reference in MVA
+KVnew=11; //KV reference before Transformer in kV
+KVnew1=132; //KV reference after Transformer in kV
+MVAg1=100; //Apparent power in Generator 1 in MVA
+KVg1=11; //Voltage at Generator bus 1 in kV
+Xg1=0.25; //Reactance of Generator 1 at individual p.u. Ohm
+MVAg2=150; //Apparent power in Generator 2 in MVA
+KVg2=16; //Voltage at Generator bus 2 in kV
+Xg2=0.10; //Reactance of Generator 2 at individual p.u Ohm
+MVAg3=200; //Apparent power in Generator 3 in MVA
+KVg3=21; //Voltage at Generator bus 3 in kV
+Xg3=0.15; //Reactance of Generator 3 at individual p.u Ohm
+MVAt1=150; //Apparent power in Transformer 1 in MVA
+t1pry=11; //Primary voltage in Transformer 1 in kV
+t1sec=132; //Secondary voltage in Transformer 1 in kV
+Xt1=0.05; //Reactance of Transformer 1 at individual p.u Ohm
+MVAt2=200; //Apparent power in Transformer 2 in MVA
+t2pry=16; //Primary voltage in Transformer 2 in kV
+t2sec=132; //Secondary voltage in Transformer 2 in kV
+Xt2=0.10; //Reactance of Transformer 2 at individual p.u Ohm
+MVAt3=250; //Apparent power in Transformer 3 in MVA
+t3pry=21; //Primary voltage in Transformer 3 in kV
+t3sec=132; //Secondary voltage in Transformer 3 in kV
+Xt3=0.05; //Reactance of Transformer 3 at individual p.u Ohm
+Xl1=100; //Reactance of Transmission line 1 at individual p.u Ohm
+Xl2=50; //Reactance of Transmission line 2 at individual p.u Ohm
+Xl3=80; //Reactance of Transmission line 3 at individual p.u Ohm
+X1=Xg1*(MVAnew/MVAg1)*(KVg1/KVnew)^2; //Reactance of Generator 1 at individual p.u Ohm
+X2=Xg2*(MVAnew/MVAg2)*(KVg2/KVnew)^2; //Reactance of Generator 2 at individual p.u Ohm
+X3=Xg3*(MVAnew/MVAg3)*(KVg3/KVnew)^2; //Reactance of Generator 3 at individual p.u Ohm
+T1=Xt1*(MVAnew/MVAt1)*(t1pry/KVnew)^2; //Impedance of Transformer 1 at individual p.u Ohm
+T2=Xt2*(MVAnew/MVAt2)*(t2pry/KVnew)^2; //Impedance of Transformer 2 at individual p.u Ohm
+T3=Xt3*(MVAnew/MVAt3)*(t3pry/KVnew)^2; //Impedance of Transformer 3 at individual p.u Ohm
+Zb=((KVnew1)^2)/MVAnew; //Base Reactance of Transmission line at Ohm
+L1=Xl1/Zb; //Reactance of Transmission line 1 at individual p.u Ohm
+L2=Xl2/Zb; //Reactance of Transmission line 2 at individual p.u Ohm
+L3=Xl3/Zb; //Reactance of Transmission line 3 at individual p.u Ohm
+
+
+printf("\nPer unit impedance of Generator 1 is %.3f p.u",X1);
+printf("\nPer unit impedance of Generator 2 is %.3f p.u",X2);
+printf("\nPer unit impedance of Generator 3 is %.3f p.u",X3);
+printf("\nPer unit impedance of Transformer 1 is %.3f p.u",T1);
+printf("\nPer unit impedance of Transformer 2 is %.3f p.u",T2);
+printf("\nPer unit impedance of Transformer 3 is %.3f p.u",T3);
+printf("\nPer unit Reactance of line 1 is %.3f p.u",L1);
+printf("\nPer unit Reactance of line 2 is %.3f p.u",L2);
+printf("\nPer unit Reactance of line 3 is %.3f p.u",L3);
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