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diff --git a/3872/CH14/EX14.1/EX14_1.sce b/3872/CH14/EX14.1/EX14_1.sce new file mode 100644 index 000000000..d1a189498 --- /dev/null +++ b/3872/CH14/EX14.1/EX14_1.sce @@ -0,0 +1,28 @@ +//Book - Power System: Analysis & Design 5th Edition
+//Authors - J. Duncan Glover, Mulukutla S. Sarma, and Thomas J. Overbye
+//Chapter - 14 ; Example 14.1
+//Scilab Version - 6.0.0 ; OS - Windows
+
+
+clc;
+clear;
+Vdelpri=230; //The rated RMS line voltage of the primary winding in kV
+Vwyesec=34.5; //The rated RMS line voltage of the secondary winding in kV
+MVAoa=75; //The MVA OA rating of the transformer
+MVAfa=100; //The MVA FA rating of the transformer
+MVAfoa=133; //The MVA FOA rating of the transformer
+Zpu=0.07; //The percentage impedance of the transformer in terms of MVA OA ratings
+MVAbase=100; //The MVA base in MVA
+kVbase=34.5; //The KV base in kV
+Ioa=(MVAoa/3)/(Vwyesec/sqrt(3)); //The OA transformer current in the low voltage side in kA
+Ifa=(MVAfa/3)/(Vwyesec/sqrt(3)); //The FA transformer current in the low voltage side in kA
+Ifoa=(MVAfoa/3)/(Vwyesec/sqrt(3)); //The FOA transformer current in the low voltage side in kA
+Zbasepu=Zpu*MVAbase/MVAoa; //The per unit impedance of the system in ohm pu
+Isc3ph=(1/Zpu)*Ioa; //The transformer current during three phase bolted faultin kA
+printf('\nThe OA transformer current in the low voltage side is %f kA',Ioa);
+printf('\nThe FA transformer current in the low voltage side is %f kA\n',Ifa);
+printf('The FOA transformer current in the low voltage side is %f kA\n',Ifoa);
+printf('The per unit impedance of the system is %f pu\n',Zbasepu);
+printf('The transformer current during three phase bolted fault is %f kA',Isc3ph);
+
+//The answer in the book is not correct. Eg.75/(sqrt(3)*34.5)---Actual result is 1.255, but it is given as 7.372 in the book.
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