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

---
 3784/CH4/EX4.22/Ex4_22.sce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 3784/CH4/EX4.22/Ex4_22.sce

(limited to '3784/CH4/EX4.22/Ex4_22.sce')

diff --git a/3784/CH4/EX4.22/Ex4_22.sce b/3784/CH4/EX4.22/Ex4_22.sce
new file mode 100644
index 000000000..06d643770
--- /dev/null
+++ b/3784/CH4/EX4.22/Ex4_22.sce
@@ -0,0 +1,18 @@
+clc
+//Variable Initialisation
+Ea=220//Input Voltage of motor in volts
+Ia=100//Armature Current in Ampere
+Ia2=1.5*Ia
+Ra=0.01//Armature resistance in ohm
+Rb=2
+N1=1000//Rated Speed of Motor in rpm
+N2=500//Rated Speed of Motor in rpm
+d2=0.5
+//Solution
+Eb1=Ea-(Ia*Ra)
+Eb2=(N2/N1)*Eb1
+d=(1-(((Eb2/Ia2)-Ra)/Rb))//Wrongly solved in textbook
+Eb3=Ia2*(((1-d2)*Rb)+Ra)
+N3=(Eb3/Eb1)*N1
+printf('\n\n Duty Ratio of chopper=%0.1f\n\n',d)//The answer provided in the textbook is wrong
+printf('\n\n Motor Speed=%0.1f rpm\n\n',N3)
-- 
cgit