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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3035/CH14/EX14.4 | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '3035/CH14/EX14.4')
| -rwxr-xr-x | 3035/CH14/EX14.4/Ex14_4.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3035/CH14/EX14.4/Ex14_4.sce b/3035/CH14/EX14.4/Ex14_4.sce new file mode 100755 index 000000000..44249d938 --- /dev/null +++ b/3035/CH14/EX14.4/Ex14_4.sce @@ -0,0 +1,16 @@ + +// Variable Declaration +kv = 11.0 //Voltage rating(kV) +MVA = 5.0 //MVA rating +R = 10.0 //Resistance(ohm) +per_a = 0.15 //Armature winding reactance +per_trip = 0.3 //Relay trip for out-of-balance + +// Calculation Section +x_p = per_a*kv**2/MVA //Winding Reactance(ohm) +V = kv/3**0.5*1000 //Phase voltage(V) +I = per_trip*MVA*1000/(3**0.5*kv) //Out of balance current(A) +p = (((R*I)**2/(V**2-(x_p*I)**2))**0.5)*100 //Percentage of winding remains unsupported + +// Result Section +printf('Percentage of winding that remains unprotected , p = %.1f percentage' ,p) |