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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 9: The RLC Circuit"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 9.1: The_Source_free_parallel_circuit.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"//Example 9.1\n",
"//Calculate resistor values for underdamped and overdamped responses\n",
"printf('Given')\n",
"disp('L=10mH and C=100uF')\n",
"L=10*10^-3;C=100*10^-6\n",
"w0=sqrt(1/(L*C))\n",
"printf('w0=%drad/s\n',w0)\n",
"//alpha(a)=1/(2*R*C)\n",
"disp('For an overdamped response')\n",
"disp('a > w0')\n",
"//On solving\n",
"disp('Hence')\n",
"disp('R<5ohm')\n",
"disp('For an underdamped response')\n",
"disp('a < w0')\n",
"//On solving\n",
"disp('Hence')\n",
"disp('R>5ohm')"
]
}
,
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 9.4: Graphical_Representation_of_Overdamped_response.sce"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"collapsed": true
},
"outputs": [],
"source": [
"clc\n",
"//Example 9.4\n",
"//Calculate settling time\n",
"t=0:0.1:5\n",
"ic=2*exp(-t)-4*exp(-t)\n",
"plot(t,ic)\n",
"xtitle('ic vs t','t in s','ic in A')\n",
"//Let ts be the settling time\n",
"//From the graph the maximum value is|-2|=2A\n",
"//'ts' is the time when ic has decreased to 0.02A\n",
"//On solving for 'ts'\n",
"ts=-log(0.02/4)\n",
"printf('ts=%3.2f s\n',ts)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Scilab",
"language": "scilab",
"name": "scilab"
},
"language_info": {
"file_extension": ".sce",
"help_links": [
{
"text": "MetaKernel Magics",
"url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md"
}
],
"mimetype": "text/x-octave",
"name": "scilab",
"version": "0.7.1"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
