From d36fc3b8f88cc3108ffff6151e376b619b9abb01 Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:40:35 +0530 Subject: Revised list of TBCs --- .../Chapter_17.ipynb | 68 ---------------------- 1 file changed, 68 deletions(-) delete mode 100755 Electrical_Machines_by_M._V._Despande/Chapter_17.ipynb (limited to 'Electrical_Machines_by_M._V._Despande/Chapter_17.ipynb') diff --git a/Electrical_Machines_by_M._V._Despande/Chapter_17.ipynb b/Electrical_Machines_by_M._V._Despande/Chapter_17.ipynb deleted file mode 100755 index 26f8601a..00000000 --- a/Electrical_Machines_by_M._V._Despande/Chapter_17.ipynb +++ /dev/null @@ -1,68 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:48e2a30220ca8f0e5ace71d8aaa9abff99fd46fdaaae4dbc00c0c67cefe15ce3" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "CHAPTER 17 - AC COMMUTATOR MOTORS" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example E1 - Pg 393" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Caption:Find (a)Speed (b)Power factor of motor\n", - "#Exa:17.1\n", - "import math\n", - "r=25.#Resistance of motor(in ohms)\n", - "P=2.#Number of poles\n", - "l=0.4#Inductance of motor(in henry)\n", - "n=1800.#Speed of motor(in r.p.m)\n", - "V=230.#Voltage supplied(in volts)\n", - "Il=1.#Load current(in A)\n", - "f=50.#Frequency(in hertz)\n", - "fr=(P*n)/120.\n", - "Eb=V-(r*Il)\n", - "Er=Eb/fr\n", - "fac=(math.sqrt((V**2.)-((Il*2.*(math.pi)*f*l)**2.))-(Il*r))/Er\n", - "n=fac*(120./P)\n", - "print '%s %.f' %('(a)Speed(in rpm)=',n)\n", - "pf=math.sqrt((V**2.)-((Il*2.*(math.pi)*f*l)**2.))/V\n", - "print '%s %.2f' %('(b)Power factor=',pf)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "(a)Speed(in rpm)= 1472\n", - "(b)Power factor= 0.84\n" - ] - } - ], - "prompt_number": 1 - } - ], - "metadata": {} - } - ] -} \ No newline at end of file -- cgit