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

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 2642/CH2/EX2.8/Ex2_8.sce | 38 ++++++++++++++++++++++++++++++++++++++
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 create mode 100755 2642/CH2/EX2.8/Ex2_8.sce

(limited to '2642/CH2/EX2.8')

diff --git a/2642/CH2/EX2.8/Ex2_8.sce b/2642/CH2/EX2.8/Ex2_8.sce
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+// FUNDAMENTALS OF ELECTICAL MACHINES 
+// M.A.SALAM 
+// NAROSA PUBLISHING HOUSE 
+// SECOND EDITION
+
+// Chapter 2 : BESICS OF MAGNETIC CIRCUITS 
+// Example : 2.8
+
+clc;clear; // clears the console and command history 
+
+// Given data
+N = 450       // number of turns wound on left side of limb
+A = 4         // cross sectional area in m^2
+I = 5        // current through coil in A
+fulx = 3     // flux in right limb Wb
+myu_r = 500  // relative permiability magnetic material
+l_1 = 0.12
+l_2 = 0.24
+phi2 = 3
+
+// caclulations 
+// we have relation 
+// phi1*rm1 = phi2*rm2 
+// phi1*l_1/uA = pi2*l_2/uA
+phi1 = phi2*l_2/l_1           // flux on left side in Wb
+flux = phi1+phi2              // total flux in Wb
+B_1 = flux/A                  // flux density in the left limb
+H_1 = B_1/(4*%pi*10^-7*myu_r) // magnetic flux in At/m
+MMF_1 = H_1*l_2               // magnetomotive force in At
+B_2 = phi2/A                  // flux density in the right limb
+H_2 = B_2/(4*%pi*10^-7*myu_r) // magnetic flux in At/m
+MMF_2 = H_2*l_2               // magnetomotive force in At
+MMF_t = MMF_1+MMF_2           // total magnetomotive force in At
+I = MMF_t/N                   // current in A
+
+// display the result 
+disp("Example 2.8 solution");
+printf(" \n Current\n I= %.2f A \n", I);
-- 
cgit