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authorkinitrupti2017-05-12 18:53:46 +0530
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-{
- "cells": [
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "## Example 1,Page number 6"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 13,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "The current in circuit is 0.3672\n"
- ]
- }
- ],
- "source": [
- "from math import pi\n",
- "import math \n",
- "# given\n",
- "Bc=0.8\n",
- "Hc=510\n",
- "Bg=0.8\n",
- "A=12.566 \n",
- "lg=0.0015\n",
- "lc=0.36\n",
- "N=500\n",
- "# calculations\n",
- "Fg=Bg/A*(2*lg)\n",
- "Fc=Hc*lc\n",
- "F=Fc+Fg\n",
- "i=F/N\n",
- "Pre=Bc/Hc\n",
- "RelPre=Pre/A\n",
- "F=Hc*lc\n",
- "i=F /N #current\n",
- "print 'The current in circuit is ',i\n"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "## Example 2,Page number 7"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 14,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "The flux density is 5\n"
- ]
- }
- ],
- "source": [
- "from math import pi\n",
- "A=12.566 \n",
- "lc=360\n",
- "N=500\n",
- "i=4\n",
- "lg=2*10**-3\n",
- "m=-A*(lc/lg)\n",
- "c=(N*i*A)/(lg)\n",
- "Hc=(N*i)/(lc) #flux density\n",
- "print 'The flux density is',Hc"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "## Example 3,Page number 7"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 15,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "The airgap flux value is -7.47688567997e-07\n"
- ]
- }
- ],
- "source": [
- "import math\n",
- "#given\n",
- "N1=500\n",
- "I1=10\n",
- "N2=500\n",
- "I2=10\n",
- "Ibafe=3*52*10**-2\n",
- "A=12.566\n",
- "b=1200\n",
- "Ag=4*10^-4\n",
- "Ac=4*10^-4\n",
- "lg=5*10^-3\n",
- "Ibecore=0.515\n",
- "c=0.0002067\n",
- "d=0.0004134\n",
- "#calculations\n",
- "F1=N1*I1\n",
- "F2=N2*I2\n",
- "Pre=1200*A\n",
- "Rbafe=(Ibafe)/(Pre*Ac)\n",
- "Rg=lg/(A*Ag)\n",
- "Rbecore=Ibecore/(Pre*Ac)\n",
- "Bg=d/(Ag)\n",
- "Hg=Bg/A # airgap flux\n",
- "print 'The airgap flux value is',Hg\n"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "## Example 4,Page number 8"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 16,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "The magnetic flux is 0.153938040026\n"
- ]
- }
- ],
- "source": [
- "from math import pi\n",
- "# given \n",
- "Irad=20\n",
- "Orad=25\n",
- "Dia=22.5\n",
- "N=250\n",
- "i=2.5\n",
- "B=1.225\n",
- "# calculations\n",
- "l=2*pi*Dia*10**-2\n",
- "radius=1/2*(Irad+Orad)\n",
- "H=(N*i)/l\n",
- "A=pi*((Orad -Irad)/2)**2*10**-4\n",
- "z=(1.225)*(pi*6.25*10**-4)\n",
- "y=(N*z)\n",
- "L=(y/i)\n",
- "core=(B/H)\n",
- "l=(2*pi*22.5*10**-2)\n",
- "Rcore=(l)/(core*A)\n",
- "L=(N**2)/(Rcore)\n",
- "print 'The magnetic flux is',L"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {
- "collapsed": true
- },
- "source": [
- "## Example 5,Page number 8"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 17,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "flux density 144.0\n"
- ]
- }
- ],
- "source": [
- "import math\n",
- "# given\n",
- "n=500\n",
- "E=100\n",
- "A=0.001\n",
- "b=1/120\n",
- "f=1.2\n",
- "#calculations\n",
- "max1=(E/1000)*(b)\n",
- "max2=(f*A)\n",
- "E=(120*n*max2*2) # result\n",
- "print 'flux density',E\n"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {
- "collapsed": true
- },
- "source": [
- "## Example 6,Page number 9"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 18,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "The dimension Am is 0.000210526315789\n"
- ]
- }
- ],
- "source": [
- "from math import pi\n",
- "#given\n",
- "lg=0.4*10**-2\n",
- "Bg=0.8\n",
- "Hm=42*10**3\n",
- "A=4*pi*10**-7\n",
- "Ag=2.5*10**-4\n",
- "Bm=0.95\n",
- "#calculations\n",
- "Hg=Bg/A\n",
- "lm=(lg/Hm)*Hg\n",
- "Am=(Bg*Ag)/(Bm)\n",
- "print 'The dimension Am is',Am\n"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": null,
- "metadata": {
- "collapsed": true
- },
- "outputs": [],
- "source": []
- }
- ],
- "metadata": {
- "kernelspec": {
- "display_name": "Python 2",
- "language": "python",
- "name": "python2"
- },
- "language_info": {
- "codemirror_mode": {
- "name": "ipython",
- "version": 2
- },
- "file_extension": ".py",
- "mimetype": "text/x-python",
- "name": "python",
- "nbconvert_exporter": "python",
- "pygments_lexer": "ipython2",
- "version": "2.7.10"
- }
- },
- "nbformat": 4,
- "nbformat_minor": 0
-}