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

---
 371/CH15/EX15.9/15_9.sci | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 371/CH15/EX15.9/15_9.sci

(limited to '371/CH15/EX15.9/15_9.sci')

diff --git a/371/CH15/EX15.9/15_9.sci b/371/CH15/EX15.9/15_9.sci
new file mode 100755
index 000000000..0183b3b6c
--- /dev/null
+++ b/371/CH15/EX15.9/15_9.sci
@@ -0,0 +1,15 @@
+//The ac Motor Control//
+//Example 15.9//
+Vom1=sqrt(2)*41.5;//starting rms value of output voltage //
+Vom2=sqrt(2)*166;//ending rms value of output voltage//
+V=415;//operating voltage of cyclo converter//
+A1=(acos(Vom1/(1.35*V)))*180/%pi;//firing angle starts from//
+printf('firing angle starts from A1=%fdegrees',A1);
+A2=(acos(Vom2/(1.35*V)))*180/%pi;//firing angle ends at//
+printf('\nfiring angle ends at A2=%fdegrees',A2);
+PFl=0.8;//load power factor//
+IPF=cos(%pi*7/15)*PFl/sqrt(2);//input power factor//
+DF=0.7;//input displacement factor//
+printf('\ninput power factor=IPF=%f',IPF);
+Mh=cos(%pi*0.3627)*PFl/(sqrt(2)*DF);
+printf('\ndistortion factor=Mh=%f',Mh);
\ No newline at end of file
-- 
cgit