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

---
 1938/CH2/EX2.5/2_5.jpg | Bin 0 -> 19236 bytes
 1938/CH2/EX2.5/2_5.sce |  13 +++++++++++++
 2 files changed, 13 insertions(+)
 create mode 100755 1938/CH2/EX2.5/2_5.jpg
 create mode 100755 1938/CH2/EX2.5/2_5.sce

(limited to '1938/CH2/EX2.5')

diff --git a/1938/CH2/EX2.5/2_5.jpg b/1938/CH2/EX2.5/2_5.jpg
new file mode 100755
index 000000000..0f992cecf
Binary files /dev/null and b/1938/CH2/EX2.5/2_5.jpg differ
diff --git a/1938/CH2/EX2.5/2_5.sce b/1938/CH2/EX2.5/2_5.sce
new file mode 100755
index 000000000..d553cd209
--- /dev/null
+++ b/1938/CH2/EX2.5/2_5.sce
@@ -0,0 +1,13 @@
+clc,clear
+printf('Example 2.5\n\n')
+
+Pole=4
+Z=200 //No of armature conductors
+A=2 //wave connected armature
+V=250
+phi=25*10^-3 //flux per pole in weber
+I_a =60, I_L =I_a  //armature current
+R_a=0.15, R_se=0.2 //resistances of armature and series field winding
+E_b= V - I_a*(R_a+R_se)  //induced emf
+N=E_b * 60*A/(phi*Pole*Z)   //because E_b = phi*P*N*Z/(60*A)
+printf('Required speed is %.0f r.p.m',N)
-- 
cgit