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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# CHAPTER 16: LABORATORY POWER SUPPLIES"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 16-1, Page Number: 423"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Source Effect= 50.0 mV\n",
"Line Regulation= 0.42 %\n",
"Load Effect= 100.0 mV\n",
"Load Regulation= 0.83 %\n"
]
}
],
"source": [
"import math\n",
"\n",
"#Variable Declaration\n",
"\n",
"#Output voltages at various instances in V\n",
"Eo1=12\n",
"Eo2=11.95\n",
"Eo3=12\n",
"Eo4=11.9\n",
"\n",
"#Calculation\n",
"source_effect=Eo1-Eo2 #Change in output voltage due to 10% change in input\n",
"line_regulation=source_effect*100/Eo1 #percentage\n",
"\n",
"load_effect=Eo3-Eo4 #Change in output voltage due to change in load from no load to minimum load \n",
"load_regulation=load_effect*100/Eo3\n",
"\n",
"#Results\n",
"print \"Source Effect=\",source_effect*10**3,\"mV\"\n",
"print \"Line Regulation=\",round(line_regulation,2),\"%\"\n",
"print \"Load Effect=\",load_effect*10**3,\"mV\"\n",
"print \"Load Regulation=\",round(load_regulation,2),\"%\"\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example 16-2, Page Number: 428"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Maximum output voltage= 15.2 V\n",
"Minimum output voltgae= 9.9 V\n"
]
}
],
"source": [
"import math\n",
"\n",
"#Variable Declaration\n",
"\n",
"Vz=6 #Zener voltage in V\n",
"R2=5.6*10**3 #in ohm\n",
"R3=5.6*10**3 #in ohm\n",
"R4=3*10**3 #in ohm\n",
"\n",
"#Calculation\n",
"\n",
"#When the moving contact is at the botton of R4, \n",
"Vr3=Vz #in V\n",
"I3=Vz/R3 #in A\n",
"Eo=I3*(R2+R3+R4) #in V\n",
"\n",
"print \"Maximum output voltage=\",round(Eo,1),\"V\"\n",
"\n",
"#When the moving contact is at the top of R4\n",
"\n",
"I3=Vz/(R3+R4) #in A\n",
"Eo=I3*(R2+R3+R4) #in V \n",
"\n",
"print \"Minimum output voltgae=\",round(Eo,1),\"V\""
]
}
],
"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": "2.7.9"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
|
