diff options
Diffstat (limited to '1853/CH5/EX5.15/Ex5_15.sce')
| -rwxr-xr-x | 1853/CH5/EX5.15/Ex5_15.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/1853/CH5/EX5.15/Ex5_15.sce b/1853/CH5/EX5.15/Ex5_15.sce new file mode 100755 index 000000000..31a17d345 --- /dev/null +++ b/1853/CH5/EX5.15/Ex5_15.sce @@ -0,0 +1,18 @@ +
+//calculate teh efficiency at loads
+KVA=20
+Il=350
+Cl=400
+x=1
+pf=0.8//at full load
+pf1=0.4 //at half load
+x1=0.5
+op=KVA*1000*x
+op1=KVA*1000*x1*pf1
+Tl=Il+(Cl*x*x)
+Tl1=Il+(Cl*x1*x1)
+ip=op+Tl
+ip1=op1+Tl1
+%n=op/ip*100
+%n1=op1/ip1*100
+disp('efficiency at half load n = '+string(%n1)+' ' , 'efficiency at full load n1 = '+string(%n)+' ' )
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