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/EX2.2/Ex2_2.sce | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100755 2642/CH2/EX2.2/Ex2_2.sce (limited to '2642/CH2/EX2.2') diff --git a/2642/CH2/EX2.2/Ex2_2.sce b/2642/CH2/EX2.2/Ex2_2.sce new file mode 100755 index 000000000..01dba0a73 --- /dev/null +++ b/2642/CH2/EX2.2/Ex2_2.sce @@ -0,0 +1,31 @@ +// FUNDAMENTALS OF ELECTICAL MACHINES +// M.A.SALAM +// NAROSA PUBLISHING HOUSE +// SECOND EDITION + +// Chapter 2 : BESICS OF MAGNETIC CIRCUITS +// Example : 2.2 + +clc;clear; // clears the console and command history + +// Given data +d_in = 3 // inside diameter of iron toroid in cm +d_out = 6 // outside diameter of iron toroid in cm +N =200 // number of turns +I = 3 // current in A +flux = 0.015 // flux in Wb + +// caclulations +d = d_in+((d_out-d_in)/2) // distance in cm +l = %pi*d // mean length in cm +A = %pi*d^2/4 // area in cm^2 +B =flux/(A*10^-4) // flux density in mWb/m^2 +MMF = N*I // magnetomotive force in At +H = (N*I)/(l*10^-2) // magnetic field intensity in At/m + +// display the result +disp("Example 2.2 solution"); +printf("\n Flux density \n B= %.6f mWb/m^2 \n", B); +printf(" \n Magnetomotive force \n MMF= %.2f At \n", MMF); +printf(" \n Magnetic field intensity \n H= %.2f At/m \n", H); +printf(" NOTE:correction in solution they took d=1.5 insted of 4.5") -- cgit