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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 /2273/CH5/EX5.8 | |
| 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 '2273/CH5/EX5.8')
| -rwxr-xr-x | 2273/CH5/EX5.8/ex5_8.sce | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/2273/CH5/EX5.8/ex5_8.sce b/2273/CH5/EX5.8/ex5_8.sce new file mode 100755 index 000000000..699f197ba --- /dev/null +++ b/2273/CH5/EX5.8/ex5_8.sce @@ -0,0 +1,27 @@ +//Find current and voltage of sending end and percentage regulation
+clear;
+clc;
+//soltion
+//given
+R=0.1425*200;//ohm//total resistance
+X=0.49*200;//ohm//reactance
+Y=8*10^-4;//S//total susecptance
+Vrl=132*1000;//V
+pf=0.8;//power factor
+P=50*10^6;//MVA
+Vr=round(Vrl/sqrt(3));
+Ir_=(P/(sqrt(3)*Vrl));
+Ir=Ir_*complex(pf,-0.6);
+Icr=0.5*(%i*Y)*Vr;
+Il=Ir+Icr;
+Z=complex(R,X);//ohm//Load impedance
+Vs=Vr+Il*(Z);
+theta=atand((imag(Vs)/real(Vs)));
+printf("Sending end voltage= %.3f∠%.3f°\n",abs(Vs),theta);
+Vls=sqrt(3)*abs(Vs)/1000;
+printf("Sending end line voltage= %.2fkV\n",Vls);
+M=1+0.5*(%i*Y)*Z;//THE BOOK HAS USED 0.9962 BUT IT IS 0.962
+Vrlo=Vls/abs(M);
+Pr=((Vrlo*1000-Vrl)*100)/Vrl;
+printf("Percentage voltage regulation= %.1f percent\n",Pr);
+//THE ANS OF THE REGULATION IS 21.4% BECAUSE OF TYPOLOGICAL ERROR
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