From 9d260e6fae7328d816a514130b691fbd0e9ef81d Mon Sep 17 00:00:00 2001 From: hardythe1 Date: Fri, 3 Jul 2015 12:23:43 +0530 Subject: add/remove books --- Electrical_Power-i__by_M.L._Anand/Chapter1.ipynb | 198 +++++++++++++++++++++++ 1 file changed, 198 insertions(+) create mode 100755 Electrical_Power-i__by_M.L._Anand/Chapter1.ipynb (limited to 'Electrical_Power-i__by_M.L._Anand/Chapter1.ipynb') diff --git a/Electrical_Power-i__by_M.L._Anand/Chapter1.ipynb b/Electrical_Power-i__by_M.L._Anand/Chapter1.ipynb new file mode 100755 index 00000000..edab587f --- /dev/null +++ b/Electrical_Power-i__by_M.L._Anand/Chapter1.ipynb @@ -0,0 +1,198 @@ +{ + "metadata": { + "name": "", + "signature": "" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Chapter 1, Basic Concepts" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Exa 1.1 - page 13" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "from numpy import sqrt\n", + "#Given data : \n", + "R=4 #in ohm\n", + "XL=3 #in ohm\n", + "VL=400 #in volt\n", + "Vph=VL/sqrt(3) #in volt\n", + "Zph=sqrt(R**2+XL**2) #in ohm\n", + "Iph=Vph/Zph #in Ampere\n", + "#In star connected IL=Iph\n", + "IL=Iph #in Ampere\n", + "print \"Line Current = %0.1f A\" %IL\n", + "cosfi=R/Zph #unitless\n", + "PowerConsumed=sqrt(3)*VL*IL*cosfi #in watts\n", + "print \"Total power consumed by the load = %.f Watts\" %PowerConsumed " + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Line Current = 46.2 A\n", + "Total power consumed by the load = 25600 Watts\n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Exa 1.2 - page 14" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "from numpy import sqrt\n", + "#Given data : \n", + "VL=440 #in volt\n", + "IL=10 #in Ampere\n", + "#In star connected :\n", + "print \"In star connected :\" \n", + "Iph=IL #in Ampere\n", + "Vph=VL/sqrt(3) #in volt\n", + "Rph=Vph/Iph #in ohm\n", + "print \"Value of each resistor = %.1f ohm\" %Rph\n", + "#In delta connected :\n", + "print \"In delta connected :\"\n", + "Iph=IL/sqrt(3) #in Ampere\n", + "Vph=Iph*Rph #in volt\n", + "print \"Voltage in delta connection = %.2f volt\" %Vph" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "In star connected :\n", + "Value of each resistor = 25.4 ohm\n", + "In delta connected :\n", + "Voltage in delta connection = 146.67 volt\n" + ] + } + ], + "prompt_number": 8 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Exa 1.3 - page 15" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "from numpy import sqrt, pi\n", + "#Given Data :\n", + "R=16 #in ohm\n", + "L=38.2 #in mH\n", + "L=38.2*10**-3 #in H\n", + "VL=400 #in volt\n", + "f=50 #in Hz\n", + "XL=2*pi*f*L #in ohm\n", + "Zph=sqrt(R**2+XL**2) #in ohm\n", + "#In star connected :\n", + "Vph=VL/sqrt(3) #in volt\n", + "Iph=Vph/Zph #in Ampere\n", + "IL=Iph #in Ampere\n", + "print \"Line Current = %0.2f A\" %IL\n", + "cosfi=R/Zph #unitless\n", + "print \"Power factor = %.1f\" %cosfi\n", + "P=sqrt(3)*VL*IL*cosfi #in watts\n", + "P/=10**3 # kW\n", + "print \"Total power consumed by the load = %0.3f kW\" %P" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Line Current = 11.55 A\n", + "Power factor = 0.8\n", + "Total power consumed by the load = 6.400 kW\n" + ] + } + ], + "prompt_number": 12 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "Exa 1.4 - page 15" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "from numpy import sqrt\n", + "#Given Data :\n", + "R=15 #in ohm\n", + "X=40 #in ohm\n", + "VL=440 #in volt\n", + "#In delta connection : \n", + "Vph=VL #in volt\n", + "Zph=sqrt(R**2+X**2) #in ohm\n", + "Iph=Vph/Zph #in Ampere\n", + "print \"Phase Current = %0.1f A\" %Iph\n", + "IL=Iph*sqrt(3) #in Ampere\n", + "print \"Line Current = %0.2f A\" %IL" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "Phase Current = 10.3 A\n", + "Line Current = 17.84 A\n" + ] + } + ], + "prompt_number": 13 + } + ], + "metadata": {} + } + ] +} -- cgit