From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1853/CH5/EX5.15/Ex5_15.sce | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100755 1853/CH5/EX5.15/Ex5_15.sce (limited to '1853/CH5/EX5.15') 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)+' ' ) -- cgit