From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3760/CH4/EX4.83/Ex4_83.sce | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 3760/CH4/EX4.83/Ex4_83.sce

(limited to '3760/CH4/EX4.83')

diff --git a/3760/CH4/EX4.83/Ex4_83.sce b/3760/CH4/EX4.83/Ex4_83.sce
new file mode 100644
index 000000000..e4ea7029e
--- /dev/null
+++ b/3760/CH4/EX4.83/Ex4_83.sce
@@ -0,0 +1,12 @@
+clc;
+// from fig 4.79
+vo=206; // output voltage
+il=8; // load current
+ifl=0.2; // field current
+Eo=280; // open circuit voltage for which field winding current is to be determined
+r=0.5; // net resistance
+n=800; // d-axis ampere turns
+// with saturation ignored output voltage vd is given by vd=(n*if-10*il)K-il*r 
+K=(vo+il*r)/(800*ifl-10*il); // slope of straight line in curve
+ifl=Eo/(K*n);
+printf('For given open circuit voltage field current is %f mA',ifl*1000);
-- 
cgit