summaryrefslogtreecommitdiff
path: root/Power_Electronics/Power_electronics_ch_10_2.ipynb
diff options
context:
space:
mode:
authorhardythe12015-05-05 14:21:39 +0530
committerhardythe12015-05-05 14:21:39 +0530
commit435840cef00c596d9e608f9eb2d96f522ea8505a (patch)
tree4c783890c984c67022977ca98432e5e4bab30678 /Power_Electronics/Power_electronics_ch_10_2.ipynb
parentaa1863f344766ca7f7c20a395e58d0fb23c52130 (diff)
downloadPython-Textbook-Companions-435840cef00c596d9e608f9eb2d96f522ea8505a.tar.gz
Python-Textbook-Companions-435840cef00c596d9e608f9eb2d96f522ea8505a.tar.bz2
Python-Textbook-Companions-435840cef00c596d9e608f9eb2d96f522ea8505a.zip
add books
Diffstat (limited to 'Power_Electronics/Power_electronics_ch_10_2.ipynb')
-rwxr-xr-xPower_Electronics/Power_electronics_ch_10_2.ipynb283
1 files changed, 283 insertions, 0 deletions
diff --git a/Power_Electronics/Power_electronics_ch_10_2.ipynb b/Power_Electronics/Power_electronics_ch_10_2.ipynb
new file mode 100755
index 00000000..a1e99a45
--- /dev/null
+++ b/Power_Electronics/Power_electronics_ch_10_2.ipynb
@@ -0,0 +1,283 @@
+{
+ "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": {}
+ }
+ ]
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-20 20:19:14 +0000