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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3802/CH9/EX9.3/Ex9_3.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '3802/CH9/EX9.3/Ex9_3.sce')
| -rw-r--r-- | 3802/CH9/EX9.3/Ex9_3.sce | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/3802/CH9/EX9.3/Ex9_3.sce b/3802/CH9/EX9.3/Ex9_3.sce new file mode 100644 index 000000000..6e8287eff --- /dev/null +++ b/3802/CH9/EX9.3/Ex9_3.sce @@ -0,0 +1,40 @@ +//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex9_3.sce
+
+clc;
+clear;
+P=45e3;
+E=220;
+phase=3;
+p=6;
+f=50;
+
+I=P/(E*sqrt(3));
+//From SCC ,the excitation current is,
+Isc1=118.1;
+If=2.2;
+//For this If, the corresponding line voltage from the air gap line is,
+V1=202;
+I1=1.0;
+Vph=V1/sqrt(3);
+Xs_unsat=Vph/Isc1; //Unsaturated reactance in ohm
+V=V1/E;
+Xs_unsat_pu=V/I1; //Unsaturated reactance in per unit
+printf("\n Unsaturated value of synchronous reactance=\t %1.4f ohm \t %1.3f p.u \n",Xs_unsat,Xs_unsat_pu)
+
+//For 220 volt from figure,
+If=2.9;
+Isc2=157;
+Vph=E/sqrt(3);
+Xs_sat=Vph/Isc2;
+Xs_sat_pu=I1/(Isc2/Isc1);
+printf("\n Saturated value of synchronous reactance=\t %1.3f ohm \t %1.3f p.u \n",Xs_sat,Xs_sat_pu)
+
+Ie2=2.9;
+Ie1=2.2;
+SCR=Ie2/Ie1;
+printf("\n Short circuit ratio=%1.2f \n",SCR)
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