From f270f72badd9c61d48f290c3396004802841b9df Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:53:46 +0530 Subject: Removed duplicates --- sample_notebooks/pramodkumardesu/Chapter_2.ipynb | 263 +++++++++++++++++++++++ 1 file changed, 263 insertions(+) create mode 100755 sample_notebooks/pramodkumardesu/Chapter_2.ipynb (limited to 'sample_notebooks/pramodkumardesu/Chapter_2.ipynb') diff --git a/sample_notebooks/pramodkumardesu/Chapter_2.ipynb b/sample_notebooks/pramodkumardesu/Chapter_2.ipynb new file mode 100755 index 00000000..b232b9ae --- /dev/null +++ b/sample_notebooks/pramodkumardesu/Chapter_2.ipynb @@ -0,0 +1,263 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 2 Transmission Lines" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 2_1 pgno:65" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Maximum field = V/m per volt 42064315640.1\n" + ] + } + ], + "source": [ + "#Chapter 2, Example 1, page 65\n", + "#Calculate the maximum field at the sphere surface\n", + "\n", + "#Calulating Field at surface E based on figure 2.31 and table 2.3\n", + "from math import pi\n", + "Q1 = 0.25\n", + "e0 = 8.85418*10**-12 #Epselon nought\n", + "RV1= ((1/0.25**2)+(0.067/(0.25-0.067)**2)+(0.0048/(0.25-0.067)**2))\n", + "RV2= ((0.25+0.01795+0.00128)/(0.75-0.067)**2)\n", + "RV= RV1+RV2\n", + "E = (Q1*RV)/(4*pi*e0)\n", + "print\"Maximum field = V/m per volt\",E\n", + "\n", + "#Answers vary due to round off error\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 2_2 pgno:66" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Part a\t\n", + "Equivalent radius = m \t0.0887411967465\n", + "Charge per bundle = uC/m \t4.88704086264e-06\n", + "Charge per sunconducter = uC/m \t2.44352043132e-06\n", + "\tPart b\n", + "\tSub part 1\t\n", + "Maximum feild = kV/m \t2607466.95017\n", + "Maximum feild = kV/m \t2412255.52075\n", + "Maximum feild = kV/m \t2509861.23546\n", + "\tSub part 2\t\n", + "EO1 = kV/m \t2597956.83558\n", + "EO2 = kV/m \t2597429.47744\n", + "EI1 = kV/m \t2402709.21273\n", + "EI2 = kV/m \t2402258.0563\n", + "\tPart c\t\n", + "The average of the maximum gradient = kV/m \t2597693.15651\n" + ] + } + ], + "source": [ + "#Chapter 2, Exmaple 2, page 66\n", + "\n", + "\n", + "#calculation based on figure 2.32\n", + "from math import sqrt,pi,log\n", + "\n", + "#(a)Charge on each bundle\n", + "print\"Part a\\t\"\n", + "req = sqrt(0.0175*0.45)\n", + "print\"Equivalent radius = m \\t\", req\n", + "V = 400*10**3 #Voltage\n", + "H = 12. #bundle height in m\n", + "d = 9. #pole to pole spacing in m\n", + "e0 = 8.85418*10**-12 #Epselon nought\n", + "Hd = sqrt((2*H)**2+d**2)#2*H**2 + d**2\n", + "Q = V*2*pi*e0/(log((2*H/req))-log((Hd/d)))\n", + "q = Q/2\n", + "print\"Charge per bundle = uC/m \\t\",Q #micro C/m\n", + "print\"Charge per sunconducter = uC/m \\t\",q #micro C/m\n", + "\n", + "#(b part i)Maximim & average surface feild\n", + "print\"\\tPart b\"\n", + "print\"\\tSub part 1\\t\"\n", + "r = 0.0175 #subconductor radius\n", + "R = 0.45 #conductor to subconductor spacing\n", + "MF = (q/(2*pi*e0))*((1/r)+(1/R)) # maximum feild\n", + "print\"Maximum feild = kV/m \\t\",MF\n", + "MSF = (q/(2*pi*e0))*((1/r)-(1/R)) # maximum surface feild\n", + "print\"Maximum feild = kV/m \\t\",MSF\n", + "ASF = (q/(2*pi*e0))*(1/r) # Average surface feild\n", + "print\"Maximum feild = kV/m \\t\",ASF\n", + "\n", + "#(b part ii) Considering the two sunconductors on the left\n", + "print\"\\tSub part 2\\t\"\n", + "#field at the outer point of subconductor #1 \n", + "drO1 = 1/(d+r)\n", + "dRrO1 = 1/(d+R+r)\n", + "EO1 = MF -((q/(2*pi*e0))*(drO1+dRrO1))\n", + "print\"EO1 = kV/m \\t\",EO1\n", + "#field at the outer point of subconductor #2 \n", + "drO2 = 1/(d-r)\n", + "dRrO2 = 1/(d-R-r)\n", + "EO2 = MF -((q/(2*pi*e0))*(dRrO2+drO2))\n", + "print\"EO2 = kV/m \\t\",EO2\n", + "\n", + "#field at the inner point of subconductor #1 \n", + "drI1 = 1/(d-r)\n", + "dRrI1 = 1/(d+R-r)\n", + "EI1 = MSF -((q/(2*pi*e0))*(drI1+dRrI1))\n", + "print\"EI1 = kV/m \\t\",EI1\n", + "#field at the inner point of subconductor #2 \n", + "drI2 = 1/(d+r)\n", + "dRrI2 = 1/(d-R+r)\n", + "EI2 = MSF -((q/(2*pi*e0))*(dRrI2+drI2)) \n", + "print\"EI2 = kV/m \\t\",EI2\n", + "\n", + "#(part c)Average of the maximim gradient\n", + "print\"\\tPart c\\t\"\n", + "Eavg = (EO1+EO2)/2\n", + "print\"The average of the maximum gradient = kV/m \\t\",Eavg\n", + "\n", + "#Answers might vary due to round off error\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 2_3 pgno:69" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Electric Feild = V/m \t35950238891.0\n" + ] + } + ], + "source": [ + "#Chapter 2, Exmaple 3, page 69\n", + "#Electric feild induced at x\n", + "from math import pi\n", + "e0 = 8.85418*10**-12 #Epselon nought\n", + "q = 1 # C/m\n", + "C = (q/(2*pi*e0))\n", + "#Based on figure 2.33\n", + "E = C-(C*(1/3+1/7))+(C*(1+1/5+1/9))+(C*(1/5+1/9))-(C*(1/3+1/7))\n", + "print\"Electric Feild = V/m \\t\",E\n", + "\n", + "#Answers might vary due to round off error\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 2_4 pgno:70" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\tThickness of graded design= cm \t4.24264068712\n", + "Curve = cm**2 \t62.4264068712\n", + "V1 = cm**3 \t47402.906725\n", + "Thickness of regular design = cm \t14.684289433\n", + "V2 = cm**3 \t861.944682812\n" + ] + } + ], + "source": [ + "#Chapter 2, Exmaple 4, page 70\n", + "#Calculate the volume of the insulator\n", + "from math import sqrt,pi,e\n", + "#Thinkness of graded design\n", + "V = 150*sqrt(2)\n", + "Ebd = 50\n", + "T = V/Ebd\n", + "print\"\\tThickness of graded design= cm \\t\",T\n", + "#Based on figure 2.24\n", + "r = 2 # radius of the conductor\n", + "l = 10 #length of graded cylinder; The textbook uses 10 instead of 20\n", + "zr = l*(T+r)\n", + "print\"Curve = cm**2 \\t\",zr\n", + "#Volume of graded design V1\n", + "V1 = 4*pi*zr*(zr-r)\n", + "print\"V1 = cm**3 \\t\",V1 #Unit is wrong in the textbook\n", + "#Thickness of regular design as obtained form Eq.2.77\n", + "pow = V/(2*Ebd)\n", + "t = 2*(e**pow-1)\n", + "print\"Thickness of regular design = cm \\t\",t\n", + "#Volume of regular design V2\n", + "V2 = pi*((2+t)**2-4)\n", + "print\"V2 = cm**3 \\t\",V2#unit not mentioned in textbook\n", + " \n", + "#Answers may vary due to round off error\n" + ] + } + ], + "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 +} -- cgit