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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 23: Electric Motors and Generators"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 23.1, Page 483"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Sinusoidal Voltage with Peak value = 8.4 V\n"
]
}
],
"source": [
"#initialization\n",
"n=100 #no of turns\n",
"b=400*10**-3 #magnetic field\n",
"a=20*10**-4 #area in cm^2\n",
"w=105 #angular frequency\n",
"\n",
"#calculation\n",
"v=n*b*a*w #voltage\n",
"\n",
"#result\n",
"print'Sinusoidal Voltage with Peak value = %.1f V'%v"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 23.2, Page 488"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Rotation Speed = 1800 rpm\n"
]
}
],
"source": [
"#initialization\n",
"f=60 #frequency in Hz\n",
"a=60 #seconds\n",
"\n",
"#calculation\n",
"f1=f/2 #required rotation speed\n",
"f2=f1*a #equivalent rotation speed\n",
"\n",
"\n",
"#result\n",
"print'Rotation Speed = %d rpm'%f2"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 23.3, Page 490"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Rotation Speed = 12000 rpm\n"
]
}
],
"source": [
"#initialization\n",
"f=50 #frequency in Hz\n",
"p=4 #four times magnetic field for 8 pole motor\n",
"a=60 #seconds\n",
"\n",
"#calculation\n",
"f1=f*p #required rotation speed\n",
"f2=f1*a #equivalent rotation speed\n",
"\n",
"\n",
"#result\n",
"print'Rotation Speed = %d rpm'%f2"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": []
}
],
"metadata": {
"anaconda-cloud": {},
"kernelspec": {
"display_name": "Python [Root]",
"language": "python",
"name": "Python [Root]"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 2
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython2",
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"nbformat": 4,
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|
