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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 /431/CH5/EX5.14 | |
| 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 '431/CH5/EX5.14')
| -rwxr-xr-x | 431/CH5/EX5.14/EX5_14.sce | 25 | ||||
| -rwxr-xr-x | 431/CH5/EX5.14/resultEX5_14.txt | 14 |
2 files changed, 39 insertions, 0 deletions
diff --git a/431/CH5/EX5.14/EX5_14.sce b/431/CH5/EX5.14/EX5_14.sce new file mode 100755 index 000000000..fa7e73ea5 --- /dev/null +++ b/431/CH5/EX5.14/EX5_14.sce @@ -0,0 +1,25 @@ +//chapter 5
+//example 5.14
+//page 443
+clear;
+clc;
+disp("example 5.14");
+disp("star connected alternator")
+printf("\n");
+KVA=1500; //rating
+ph=3; //3-phase
+V_l=6600; //voltage
+Ra=0.4 //armature resistance
+Xs=6; //reactance
+Ia=(KVA*1000)/(sqrt(3)*V_l);
+printf("Full-load current= %d A\n",Ia);
+V=V_l/sqrt(3);
+printf("Voltage per phase=%d V\n",V);
+disp("for 0.8 lagging power facor");
+pf=0.8; //power factor
+phi=acosd(pf);
+E=sqrt((V*cosd(phi)+Ia*Ra)^2+(V*sind(phi)+Ia*Xs)^2)
+printf("induced emf=%f V\n\n",E);
+disp("then at 0.8 leading power factor");
+Vt=4743; //solved manually
+printf("termial Voltage, line-to-line=%d V\n",(sqrt(3)*Vt))
\ No newline at end of file diff --git a/431/CH5/EX5.14/resultEX5_14.txt b/431/CH5/EX5.14/resultEX5_14.txt new file mode 100755 index 000000000..57742fbc7 --- /dev/null +++ b/431/CH5/EX5.14/resultEX5_14.txt @@ -0,0 +1,14 @@ +
+ example 5.14
+
+ star connected alternator
+
+Full-load current= 131 A
+Voltage per phase=3810 V
+
+ for 0.8 lagging power facor
+induced emf=4366.072552 V
+
+
+ then at 0.8 leading power factor
+termial Voltage, line-to-line=8215 V
\ No newline at end of file |