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Diffstat (limited to 'Power_Electronics/Power_electronics_ch_10_1.ipynb')
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diff --git a/Power_Electronics/Power_electronics_ch_10_1.ipynb b/Power_Electronics/Power_electronics_ch_10_1.ipynb deleted file mode 100755 index a1e99a45..00000000 --- a/Power_Electronics/Power_electronics_ch_10_1.ipynb +++ /dev/null @@ -1,283 +0,0 @@ -{
- "metadata": {
- "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 10 : Power Supplies"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "example 10.1, Page No. 416"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# Voltage regulation and % change in output voltage per unit of load current\n",
- "\n",
- "import math\n",
- "#Variable declaration\n",
- "Vfl = 24 # full load voltage\n",
- "Vnl = 24.5 # no load voltage\n",
- "Ifl = 2 # full load current\n",
- "\n",
- "#calculations\n",
- "#(a)\n",
- "VR = (Vnl-Vfl)/Vfl\n",
- "#(b)\n",
- "x = VR*100/Ifl\n",
- "\n",
- "#Result\n",
- "print(\"(a) Voltage regulation = %.4f or %.2f%%\\n(b) %%tage change in output voltage per unit load current = %.2f%%\"%(VR,VR*100,x))"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "(a) Voltage regulation = 0.0208 or 2.08%\n",
- "(b) %tage change in output voltage per unit load current = 1.04%\n"
- ]
- }
- ],
- "prompt_number": 6
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "example 10.2, Page No. 416"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# Redulation in percent V\n",
- "\n",
- "\n",
- "import math\n",
- "Vout = 0.3 # change in output voltage when input change\n",
- "Vin = 4 # input voltage change\n",
- "V = 15 # rated ouutput voltage\n",
- "\n",
- "#calculations\n",
- "lr = (Vout/V)*100/Vin\n",
- "print(\"%% line regulation = %.1f%% V\"%lr)\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "% line regulation = 0.5% V\n"
- ]
- }
- ],
- "prompt_number": 9
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "example 10.3, Page No. 416"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# output voltage, load current, zener curretn\n",
- "\n",
- "import math\n",
- "#variable declaration\n",
- "Vi = 15.0 # input voltage\n",
- "beta_dc = 50.0 # transistor gain\n",
- "Rl = 1000.0 # load resistor\n",
- "Vz = 6.0 # zener voltage\n",
- "Ri = 500.0 # input voltage\n",
- "Vbe = 0.7 # voltage drop across transistor base-emitter\n",
- "\n",
- "#Calculations\n",
- "Vo = Vz-Vbe\n",
- "Il = Vo/Rl\n",
- "Vce = Vi-Vo\n",
- "I = (V-Vz)/Ri\n",
- "Ib = Il/beta_dc\n",
- "Iz = I-Ib\n",
- "\n",
- "#Result\n",
- "print(\"Vo = %.1fV\\nLoad current = %.1f mA\\nZener current = %.3f mA\"%(Vo,Il*1000,Iz*1000))"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Vo = 5.3V\n",
- "Load current = 5.3 mA\n",
- "Zener current = 17.894 mA\n"
- ]
- }
- ],
- "prompt_number": 27
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "example 10.4, Page No. 417"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#output voltage(referring fig.10.2)\n",
- "\n",
- "import math\n",
- "Vz = 6.0 # zener voltage\n",
- "R1 = 10.0*10**3 # resistance 1\n",
- "R2 = 15.0*10**3 # resistance 2\n",
- "\n",
- "#Calculations\n",
- "Vo = (1+(R2/R1))*Vz\n",
- "\n",
- "#Result\n",
- "print(\"Vo = %d V\"%Vo)"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Vo = 15 V\n"
- ]
- }
- ],
- "prompt_number": 29
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "example 10.5, Page No. 417"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# finding Vo, Io, Ic (referring fig.10.1)\n",
- "\n",
- "import math\n",
- "#variable declaration\n",
- "Vz = 9.0 # zener voltage\n",
- "R1 = 1.5*10**3 # resistance 1\n",
- "R2 = 3.0*10**3 # resistance 2, value used in calculations\n",
- "Rl = 2.0*10**3 # load resistance\n",
- "Rs = 200 # source resistance\n",
- "Vin = 30 # input oltage\n",
- "\n",
- "#Calculations\n",
- "Vo = (1+(R2/R1))*Vz\n",
- "Is =(Vin - Vo)/Rs\n",
- "Io = Vo/Rl\n",
- "Ic = Is -Io\n",
- "\n",
- "#Result\n",
- "print(\"Vo = %d V\\nIo = %.1f mA\\nIc = %.1f mA\"%(Vo,Io*1000,Ic*1000))"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Vo = 27 V\n",
- "Io = 13.5 mA\n",
- "Ic = 1.5 mA\n"
- ]
- }
- ],
- "prompt_number": 31
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "example 10.6, Page No. 417"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "# Minimum and maximum output voltage\n",
- "\n",
- "import math\n",
- "# variable declaration\n",
- "Iadj = 40*10**-6 # current\n",
- "Vref = 1.25 # reference voltage\n",
- "R1 = 2*10**3 # resistance R1\n",
- "R2min = 0 # minimum value of R2 resistor\n",
- "R2max = 20.0*10**3 # maximum value of R2 resistor\n",
- "\n",
- "#calculations\n",
- "Vo1 = (Vref*(1+(R2max/R1)))+Iadj*R2max\n",
- "Vo2 = Vref*(1+(R2min/R1))\n",
- "\n",
- "#Result\n",
- "print(\"When R2 = %d k-ohm\\nVo = %.2f V\"%(R2max/1000,Vo1))\n",
- "print(\"\\nWhen R2 = %d k-ohm\\nVo = %.2f V\"%(R2min/1000,Vo2))"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "When R2 = 20 k-ohm\n",
- "Vo = 14.55 V\n",
- "\n",
- "When R2 = 0 k-ohm\n",
- "Vo = 1.25 V\n"
- ]
- }
- ],
- "prompt_number": 35
- }
- ],
- "metadata": {}
- }
- ]
-}
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