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

---
 3811/CH6/EX6.7/Ex6_7.sce | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 3811/CH6/EX6.7/Ex6_7.sce

(limited to '3811/CH6/EX6.7/Ex6_7.sce')

diff --git a/3811/CH6/EX6.7/Ex6_7.sce b/3811/CH6/EX6.7/Ex6_7.sce
new file mode 100644
index 000000000..d13c2228c
--- /dev/null
+++ b/3811/CH6/EX6.7/Ex6_7.sce
@@ -0,0 +1,27 @@
+//Book name: Fundamentals of electrical drives by Mohamad A. El- Sharkawi
+//chapter 6
+//example 6.7
+//edition 1
+//publisher and place:Nelson Engineering
+clc;
+clear;
+Ra=2;//armature resistance in ohm
+Rf=3;//field resistance in ohm
+V=320;//terminal voltage in volt
+T=60;//full load torque in Nm
+n=600;//motor speed in rpm
+mprintf("\nCalculate the field current:")
+KC=0.248;//calculated by solving two equations
+Ia=sqrt(T/KC);
+mprintf("\nThe field current is %f A",Ia)
+mprintf("\nCalculate the motor voltage:")
+n1=400;
+omega1=(2*%pi*n1)/T;
+Vt=Ia*(Ra+Rf+(KC*omega1));
+mprintf("\nThe motor voltage is %f volt",Vt)
+mprintf("\nCalculate the motor speed :")
+AR=Ra/Rf;
+Ia=sqrt(T/(KC*AR));
+w=(V/(KC*AR*Ia))-((Ra+(AR*Rf))/(KC*AR));
+n2=(w*T)/(2*%pi);
+mprintf("\nThe speed of the motor is %f rpm",n2)
-- 
cgit