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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 /695/CH3/EX3.30/Ex3_30.sce | |
| 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 '695/CH3/EX3.30/Ex3_30.sce')
| -rwxr-xr-x | 695/CH3/EX3.30/Ex3_30.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/695/CH3/EX3.30/Ex3_30.sce b/695/CH3/EX3.30/Ex3_30.sce new file mode 100755 index 000000000..5bff79b9e --- /dev/null +++ b/695/CH3/EX3.30/Ex3_30.sce @@ -0,0 +1,21 @@ +//Caption:Find the Efficiency and voltage regulation of transformer
+//Exa:3.30
+clc;
+clear;
+close;
+P_i=100;//in watts
+V2=400;//in volts
+P_sc=200;//in watts
+I_2=11.4;//in amperes
+R_O2=P_sc/I_2^2;//in ohms
+KVA=5;
+I_2fl=KVA*1000/V2;
+P_cu=I_2fl^2*R_O2;
+pf=0.9;
+Eff=KVA*1000*pf/(KVA*1000*pf+P_cu+P_i);
+disp(Eff*100,'Efficiency (in %)=');
+V_2sc=40;//in volts
+Z_O2=V_2sc/I_2;
+X_O2=sqrt(Z_O2^2-R_O2^2);
+VR=I_2fl*(R_O2*pf+X_O2*sqrt(1-pf^2))/V2;
+disp(VR*100,'Voltage Regulation (in %)=')
\ No newline at end of file |