From 79c59acc7af08ede23167b8455de4b716f77601f Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Thu, 11 Jun 2015 17:31:11 +0530 Subject: add books --- Electronic_Devices_and_Circuits/Chapter20.ipynb | 434 ------------------------ 1 file changed, 434 deletions(-) delete mode 100755 Electronic_Devices_and_Circuits/Chapter20.ipynb (limited to 'Electronic_Devices_and_Circuits/Chapter20.ipynb') diff --git a/Electronic_Devices_and_Circuits/Chapter20.ipynb b/Electronic_Devices_and_Circuits/Chapter20.ipynb deleted file mode 100755 index dcf6cb7f..00000000 --- a/Electronic_Devices_and_Circuits/Chapter20.ipynb +++ /dev/null @@ -1,434 +0,0 @@ -{ - "metadata": { - "name": "" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 20 : Thyristors " - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.1, Page No 902" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#initialisation of variables\n", - "Vs=25.0\n", - "Vtm=1.7\n", - "Rl=25.0\n", - "Ih=5*10**-3\n", - "\n", - "#Calculations\n", - "Vspk=1.414*Vs\n", - "Ilpk=(Vs-Vtm)/Rl\n", - "print(\" for half wave rectifier sinusodial waveform\")\n", - "Ilrms=.5*Ilpk\n", - "es=Vtm+(Ih*Rl)\n", - "\n", - "#Results\n", - "print(\" switch-off voltage =%.2f v\" %es)\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - " for half wave rectifier sinusodial waveform\n", - " switch-off voltage =1.82 v\n" - ] - } - ], - "prompt_number": 15 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.2, Page No 905" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "\n", - "#initialisation of variables\n", - "Vs=30.0\n", - "Vd1=.7\n", - "Vg=.8\n", - "Ig=200*10**-6\n", - "\n", - "#Calculations\n", - "Vspk=1.414*Vs\n", - "print(\" at 5 degree\")\n", - "es=Vspk*.087 # sin5=.087\n", - "print(\" at 90 degree\")\n", - "es=Vspk\n", - "Vt=Vd1+Vg\n", - "print(\" to trigger at es=3.7V the R2 moving contact is at the top\")\n", - "es=3.7\n", - "Vr1=es-Vt\n", - "I1=1*10**-3\n", - "R1=Vr1/I1\n", - "R=Vt/I1 #R=R2+R3\n", - "es=42.4\n", - "Vr3=Vt\n", - "I1=es/(R+R1)\n", - "R3=Vt/I1\n", - "R2=R-R3\n", - "\n", - "#Results\n", - "print(\" To trigger at es =42.4 the R2 moving contact at the bottom =%.2f\" %R2)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - " at 5 degree\n", - " at 90 degree\n", - " to trigger at es=3.7V the R2 moving contact is at the top\n", - " To trigger at es =42.4 the R2 moving contact at the bottom =1369.10\n" - ] - } - ], - "prompt_number": 16 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.3 Page No 906" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "\n", - "#initialisation of variables\n", - "R1=2.2*10**3\n", - "R2=1.5*10**3\n", - "R3=120.0\n", - "Vt=1.5\n", - "\n", - "#Calculations\n", - "Vak1=Vt*((R1+R2+R3)/(R3+.5*R2))\n", - "Vak2=Vt*((R1+R2+R3)/R3)\n", - "\n", - "\n", - "#Results\n", - "print(\" with R2 contact at center = %.2f\" %Vak1)\n", - "print(\" with R2 contact at zero = %.2f\" %Vak2)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - " with R2 contact at center = 6.59\n", - " with R2 contact at zero = 47.75\n" - ] - } - ], - "prompt_number": 17 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.4, Page No 911" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#initialisation of variables\n", - "Vs=5.0\n", - "Ilmax=300*10**-3\n", - "Vl=7.0\n", - "Vg=0.8\n", - "\n", - "\n", - "#Calculations\n", - "Vz=Vl-Vg\n", - "print(\" for D1, select a 1N753 with Vz=6.2\")\n", - "Izmin=1*10**-3\n", - "R1=Vg/Izmin\n", - "\n", - "\n", - "#Results\n", - "print(\"The value of R1 is %d kohm \" %R1)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - " for D1, select a 1N753 with Vz=6.2\n", - "The value of R1 is 800 kohm \n" - ] - } - ], - "prompt_number": 18 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.5 Page No 911" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#initialisation of variables\n", - "R1=25*10**3\n", - "R2=2.7*10**3\n", - "C1=3*10**-6\n", - "Vg=0.8\n", - "Vd1=8.0\n", - "Vs=115.0\n", - "f=60.0\n", - "\n", - "#Calculations\n", - "Vc1=Vd1+Vg\n", - "#assume the average charging voltage is\n", - "Vac=1.414*Vs\n", - "E=.636*Vac\n", - "#average charging\n", - "Ic=E/(R1+R2)\n", - "#charging time\n", - "t=(C1*Vc1)/Ic\n", - "T=1/f\n", - "q=(t*360)/T\n", - "a=180-q\n", - "\n", - "#Results\n", - "print(\"Conduction angle =%.2f degrees\" %a)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Conduction angle =27.27 degrees\n" - ] - } - ], - "prompt_number": 19 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.6 Page No 925" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "\n", - "#initialisation of variables\n", - "Vs=10.0\n", - "Vf=1.7\n", - "Is=500*10**-6\n", - "Ih=1.5*10**-3\n", - "E=30.0\n", - "\n", - "#Calculations\n", - "R=27*10**3\n", - "C=0.5*10**-6\n", - "R1max=(E-Vs)/Is\n", - "R1min=(E-Vf)/Ih\n", - "t=C*R*math.log((E-Vf)/(E-Vs))\n", - "\n", - "\n", - "#Results\n", - "print(\"Capacitor charging time is %3.4f s\" %t)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Capacitor charging time is 0.0047 s\n" - ] - } - ], - "prompt_number": 20 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.7, Page No 931" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#initialisation of variables\n", - "Rbb=4.0*10**3\n", - "Pd25=360.0*10**-3\n", - "D=2.4*10**-3\n", - "T2=100.0\n", - "\n", - "#Calculations\n", - "Pd=Pd25-D*(T2-25)\n", - "Vb1b1=math.sqrt(Rbb*Pd)\n", - "\n", - "#Results\n", - "print(\"Maximum Vb1b1 that should be used at a temp 100 is %3.1fV \" %Vb1b1)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Maximum Vb1b1 that should be used at a temp 100 is 26.8V \n" - ] - } - ], - "prompt_number": 21 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.8 Page No 931" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math \n", - "\n", - "#initialisation of variables\n", - "Vb1b1=25\n", - "nmax=0.86\n", - "nmin=0.74\n", - "Vd=0.7\n", - "\n", - "#Calculations\n", - "Vpmax=Vd+(nmax*Vb1b1)\n", - "Vpmin=Vd+(nmin*Vb1b1)\n", - "\n", - "#Results\n", - "print(\"Maximum Vpmax that should be is %3.1fV \" %Vpmax)\n", - "print(\"Minimum Vpmin that should be is %3.1fV \" %Vpmin)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Maximum Vpmax that should be is 22.2V \n", - "Minimum Vpmin that should be is 19.2V \n" - ] - } - ], - "prompt_number": 22 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 20.9 Page No 933" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "import math\n", - "#initialisation of variables\n", - "Ip=.6*10**-6\n", - "Iv=2*10**-3\n", - "Veb1=2.5\n", - "Vpmin=19.2\n", - "Vpmax=22.2\n", - "Vbb=25.0\n", - "C=1*10**-6\n", - "R=18*10**3\n", - "Vp=20.0\n", - "\n", - "\n", - "#Calculations\n", - "Vpmin=(Vbb-Vpmax)/Ip\n", - "Remax=(Vbb-Veb1)/Iv\n", - "t=C*R*math.log((Vbb-Veb1)/(Vbb-Vp))\n", - "f=1.0/t\n", - "\n", - "#Results\n", - "print(\"The value of f is %.2f \" %f)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The value of f is 36.94 \n" - ] - } - ], - "prompt_number": 23 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit