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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 /1892/CH1/EX1.57 | |
| 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 '1892/CH1/EX1.57')
| -rwxr-xr-x | 1892/CH1/EX1.57/Example1_57.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1892/CH1/EX1.57/Example1_57.sce b/1892/CH1/EX1.57/Example1_57.sce new file mode 100755 index 000000000..2776d4e9b --- /dev/null +++ b/1892/CH1/EX1.57/Example1_57.sce @@ -0,0 +1,21 @@ +// Example 1.57
+
+clear; clc; close;
+
+format('v',7);
+// Given data
+VL=400;//in volt
+Ist=1200;//in Ampere
+Eff=0.85;//Efficiency
+cosfi=0.8;//power factor
+IstByIrated=5;//ratio
+
+//Calculations
+I2_rated=Ist/IstByIrated;//in Ampere
+KWrating=sqrt(3)*VL*I2_rated*cosfi*Eff;//in KW
+//To have star delta styarter tapping Xo=1/sqrt(3)
+//Ist=X0^2*IstByIrated*IL
+X0=1/sqrt(3);//tapping
+IL=Ist/X0^2/IstByIrated;//in Ampere
+KWmax=sqrt(3)*VL*IL*cosfi*Eff/1000;//in KW
+disp(KWmax,"Maximum KW rating with star delta starter : ");
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