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 --- 2642/CH2/EX2.3/Ex2_3.sce | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100755 2642/CH2/EX2.3/Ex2_3.sce (limited to '2642/CH2/EX2.3') diff --git a/2642/CH2/EX2.3/Ex2_3.sce b/2642/CH2/EX2.3/Ex2_3.sce new file mode 100755 index 000000000..26fd44419 --- /dev/null +++ b/2642/CH2/EX2.3/Ex2_3.sce @@ -0,0 +1,30 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES +// M.A.SALAM +// NAROSA PUBLISHING HOUSE +// SECOND EDITION + +// Chapter 2 : BESICS OF MAGNETIC CIRCUITS +// Example : 2.3 + +clc;clear; // clears the console and command history + +// Given data +myu_r = 625 // relative permiability of rectangular core +N = 25 // number of turns +I = 2 // current in A +a = 5.5 // lenght of rectangular box in cm +b = 1.5 // width of rectangular box in cm + +// caclulations +l = 2*(a+b) // mean length of core in cm +H = N*I/(l*10^-2) // magnetic field intensity in At/m +myu = 4*%pi*10^-7*myu_r // permeabilty +B = myu*H // magnetic flux density in Wb/m^2; + +// display the result +disp("Example 2.3 solution"); +printf(" \n Magnetic field intensity \n H= %.0f At/m \n", H); +printf(" \n Permeabilty \n myu= %.2e \n", myu); +printf(" \n Magnetic flux density \n B= %.2f Wb/m^2 \n", B); + + -- cgit