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/EX4.71/Ex4_71.sce | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 3760/CH4/EX4.71/Ex4_71.sce

(limited to '3760/CH4/EX4.71/Ex4_71.sce')

diff --git a/3760/CH4/EX4.71/Ex4_71.sce b/3760/CH4/EX4.71/Ex4_71.sce
new file mode 100644
index 000000000..eb8bb0baf
--- /dev/null
+++ b/3760/CH4/EX4.71/Ex4_71.sce
@@ -0,0 +1,10 @@
+clc;
+v=440; // rated voltage of mootor
+no=2000; // no load speed
+n1=1000; // speed at full load torque
+Tl=0.5; // load torque as a fraction of rated torque
+n2=1050; // increased speed due to redued torque
+// field current is constant so flux is constant
+// since torqu gets reduced by half new armature current also gets reduced half i.e ia2=ia1/2;
+vd=(v*(n2-n1))/(n2-(n1/2));
+printf('Armature voltage drop at full load is %d V',vd); 
-- 
cgit