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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 2: Power Electronics Circuit Layout"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Example 2.9,Page 83"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"load current is 3.75 A\n",
"wiring resistance is 26.67 mohm\n",
"resistance per inch is 1666.67 microohm/inch\n"
]
}
],
"source": [
"#finding an appropriate wire gauge\n",
"\n",
"#initialisation of variable\n",
"from math import pi,tan,sqrt,sin,cos,acos,atan\n",
"V=15.0;#voltage\n",
"R=4.0;#resistance\n",
"Vl=.1;\n",
"D=8.0;#duty cycle\n",
"\n",
"#calculation\n",
"Il=V/R;\n",
"Rw=Vl/Il#wiring resistance\n",
"Ri=Rw/(2*D);\n",
"\n",
"#result\n",
"print \"load current is\",round(Il,2), \"A\"\n",
"print \"wiring resistance is\",round(Rw*1000,2), \"mohm\"\n",
"print \"resistance per inch is\",round(Ri*1e6,2), \"microohm/inch\""
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 2",
"language": "python",
"name": "python2"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
