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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 /2078/CH2/EX2.3 | |
| 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 '2078/CH2/EX2.3')
| -rwxr-xr-x | 2078/CH2/EX2.3/Example2_3.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/2078/CH2/EX2.3/Example2_3.sce b/2078/CH2/EX2.3/Example2_3.sce new file mode 100755 index 000000000..2e94cf6d6 --- /dev/null +++ b/2078/CH2/EX2.3/Example2_3.sce @@ -0,0 +1,17 @@ +//Exa 2.3
+clc;
+clear;
+close;
+
+disp("For single phase ac system, P1=V*I1*cosd(fi) watts & W1=2*I1^2*R watts");
+disp("Line losses=W1/P1*100=2*I1^2*R*100/V/I1/cosd(fi)");
+disp("For three phase ac system, P2=sqrt(3)*V*I2*cosd(fi) watts & W2=3*I2^2*R watts");
+disp("Line losses=W2/P2*100=3*I2^2*R*100/sqrt(3)/V/I2/cosd(fi)");
+//on equating W1/P1*100=W2/P2*100
+I2BYI1=2*sqrt(3)/3;
+P1=poly(0,'P1');
+//P2=sqrt(3)*V*I1*I2BYI1*cosd(fi)=2*P1
+P2=2*P1;
+Add_load=P2-P1;
+Percent_add_load=coeff(numer(Add_load/P1*100));//%
+disp(Percent_add_load,"Additional load that can be tranmitted by converting sigle to 3-phase line in %");
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