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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3872/CH3/EX3.12 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3872/CH3/EX3.12')
| -rw-r--r-- | 3872/CH3/EX3.12/Ex3_12.jpg | bin | 0 -> 30083 bytes | |||
| -rw-r--r-- | 3872/CH3/EX3.12/Ex3_12.sce | 45 |
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diff --git a/3872/CH3/EX3.12/Ex3_12.jpg b/3872/CH3/EX3.12/Ex3_12.jpg Binary files differnew file mode 100644 index 000000000..4adf9b286 --- /dev/null +++ b/3872/CH3/EX3.12/Ex3_12.jpg diff --git a/3872/CH3/EX3.12/Ex3_12.sce b/3872/CH3/EX3.12/Ex3_12.sce new file mode 100644 index 000000000..4d929c655 --- /dev/null +++ b/3872/CH3/EX3.12/Ex3_12.sce @@ -0,0 +1,45 @@ +//Book - Power system: Analysisi & Design 5th Edition
+//Authors - J. Duncan Glover, Mulukutla S. Sarma, and Thomas J.Overbye
+//Chapter-3 ;Example 3.12
+//Scilab Version - 6.0.0; OS - Windows
+
+clc;
+clear;
+
+Sr=1000 //rated power of transformer in kVA
+V1rated=13.8 //rated voltage of delta winding of transformer in kV
+V2rated=345 //rated voltage of wye winding of transformer in kV
+Zeq=%i*0.10 //per unit equivalent impedance
+Sb=500 //rated power of transformer in MVA
+VbXLL=13.8 //line to line X terminal base voltage in kV
+VbHLL=345 //line to line H terminal base voltage in kV
+
+
+at=(V1rated/V2rated) //ratio of transformer corresponding to rated tap
+b=(VbXLL/VbHLL)
+c=at/b
+Zpunew=Zeq*(Sb/Sr) //per unit equivalent impedance
+at10=(V1rated/(V2rated*0.9)) //ratio of transformer corresponding to 10 percentage tap
+b10=(V1rated/V2rated)
+c10=(at10/b10)
+Yeq=(1/Zpunew)
+Y12=c10*Yeq //admittance at node 12 in per unit
+Y11=(1-c10)*Yeq //admittance at node 11 in per unit
+Y22=(((abs(c10))^2)-c10)*Yeq //admittance at node 22 in per unit
+
+
+printf('The per unit equivalent impedance is %.4fi pu\n',imag(Zpunew));
+printf('The ratio of transformer corresponding to rated tap is %.4f\n',at);
+printf('The ratio of transformer corresponding to 10 percentage tap is %.4f\n',at10);
+printf('The admittance at node 12 is %.4fi per unit\n',imag(Y12));
+printf('The admittance at node 11 is %.4fi per unit\n',imag(Y11));
+printf('The admittance at node 22 is %.4fi per unit\n',imag(Y22));
+
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