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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 /2441/CH5/EX5.24 | |
| 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 '2441/CH5/EX5.24')
| -rwxr-xr-x | 2441/CH5/EX5.24/Ex5_24.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/2441/CH5/EX5.24/Ex5_24.sce b/2441/CH5/EX5.24/Ex5_24.sce new file mode 100755 index 000000000..ac0085ca4 --- /dev/null +++ b/2441/CH5/EX5.24/Ex5_24.sce @@ -0,0 +1,28 @@ +//Example 5.24
+clc;clear;close;
+format('v',6);
+Z=3+%i*9;//%///impedence
+Z=Z/100;//p.u.///Impedence
+I=1;//p.u.
+IZ=Z;//p.u.
+disp("Part(a)");
+//2*I^2-2*cos(del)=[abs(IZ)]^2
+cos_del=acosd((2*I^2-[abs(IZ)]^2)/2);//degree
+disp(cos_del,"Phase angle between two station(degree)");
+angle_abc=87.277;///degree
+theta=180-angle_abc-atand(imag(IZ)/real(IZ));//degree
+Preal=I^2*cosd(theta);//p.u.
+disp(Preal,"Real power transfer(p.u.)");
+Preactive=I^2*sind(theta);//p.u.
+disp(Preactive,"Reactive power transfer(p.u.)");
+disp("Part(b)");
+//1.05^2+1^2-2*1.05*cos(del)=[abs(IZ)]^2
+cos_del=acosd((1.05^2+1^2-[abs(IZ)]^2)/2/1.05);//degree
+disp(cos_del,"Phase angle between two station(degree)");
+angle_dbc=60.53;///degree
+theta=atand(imag(IZ)/real(IZ))-angle_dbc//degree
+Preal=I^2*cosd(theta);//p.u.
+disp(Preal,"Real power transfer(p.u.)");
+Preactive=I^2*sind(theta);//p.u.
+disp(Preactive,"Reactive power transfer(p.u.)");
+//Answer in the textbook is not accurate.
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