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

---
 503/CH3/EX3.17/ch3_17.sci | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100755 503/CH3/EX3.17/ch3_17.sci

(limited to '503/CH3/EX3.17/ch3_17.sci')

diff --git a/503/CH3/EX3.17/ch3_17.sci b/503/CH3/EX3.17/ch3_17.sci
new file mode 100755
index 000000000..6c1ba9ef9
--- /dev/null
+++ b/503/CH3/EX3.17/ch3_17.sci
@@ -0,0 +1,23 @@
+// To determine the rating and full load efficiency of autotransformer
+
+clc;
+//when used as transformer
+v1=240;
+v2=120;
+r=12000;
+I1=r/v1;
+I2=r/v2;
+
+//when connected as autotransformer
+V1=240;
+V2=v1+v2;
+rr=I2*V2;            disp(rr,'rating of autotransformer(va)');
+
+pf=1;
+P_o=r*pf;            //output power
+n=.962            //efficiency at upf
+P_L=P_o*(1-n)/n;
+
+pff=.85            //if pf=.85
+Po=rr*pff;
+nn=1/(1+P_L/Po);        disp(nn*100,'efficiency(%) at .85 pf is');
\ No newline at end of file
-- 
cgit