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| author | kinitrupti | 2017-05-12 18:53:46 +0530 |
|---|---|---|
| committer | kinitrupti | 2017-05-12 18:53:46 +0530 |
| commit | 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d (patch) | |
| tree | 22789c9dbe468dae6697dcd12d8e97de4bcf94a2 /Switchgear_Protection_And_Power_Systems_by_S._S._Rao | |
| parent | d36fc3b8f88cc3108ffff6151e376b619b9abb01 (diff) | |
| download | Python-Textbook-Companions-6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d.tar.gz Python-Textbook-Companions-6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d.tar.bz2 Python-Textbook-Companions-6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d.zip | |
Removed duplicates
Diffstat (limited to 'Switchgear_Protection_And_Power_Systems_by_S._S._Rao')
| -rwxr-xr-x | Switchgear_Protection_And_Power_Systems_by_S._S._Rao/Chapter_33_Protection_of.ipynb | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/Switchgear_Protection_And_Power_Systems_by_S._S._Rao/Chapter_33_Protection_of.ipynb b/Switchgear_Protection_And_Power_Systems_by_S._S._Rao/Chapter_33_Protection_of.ipynb deleted file mode 100755 index c80817bd..00000000 --- a/Switchgear_Protection_And_Power_Systems_by_S._S._Rao/Chapter_33_Protection_of.ipynb +++ /dev/null @@ -1,197 +0,0 @@ -{
- "cells": [
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "# Chapter 33 Protection of Genrators"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "## Example 33_1 pgno:624"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 5,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "the resistance to be added=ohms 1.94\n"
- ]
- }
- ],
- "source": [
- "from math import sqrt\n",
- "v=11e3/sqrt(3);\n",
- "v=round(v);\n",
- "r=5e6;\n",
- "per=20;\n",
- "i=r/(3*v);\n",
- "i=round(i);\n",
- "i0=i*25/100;\n",
- "R=per*v/(i0*1000);\n",
- "R=round(R*100)/100;\n",
- "print\"the resistance to be added=ohms\",R\n"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "## Example 33_2 pgno:625"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 6,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "the percentage of unprotected winding=percent 65.3589838486\n",
- "Resistance for 90percent winding protection=ohms 2.88675134595\n"
- ]
- }
- ],
- "source": [
- "from math import sqrt\n",
- "v=10e3/sqrt(3);\n",
- "R=10.;\n",
- "i=1.;\n",
- "ct=1000./5.;\n",
- "ip=i*ct;\n",
- "per=R*ip*100./v;\n",
- "p=10.;\n",
- "res=p/100.*v/ip;\n",
- "print\"the percentage of unprotected winding=percent\",100-(per)\n",
- "print\"Resistance for 90percent winding protection=ohms\",res\n"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "## Example 33_3 pgno:625"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 7,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "percentage of unprotected winding for earth fault=percent 11.6\n"
- ]
- }
- ],
- "source": [
- "from math import sqrt\n",
- "per=.2;\n",
- "r=10e6;\n",
- "R=7;\n",
- "v=11e3;\n",
- "i=r/(sqrt(3)*v);\n",
- "i=round(i);\n",
- "i0=per*i;\n",
- "v=v/sqrt(3);\n",
- "p=R*i0/v*100;\n",
- "p=round(p*10)/10;\n",
- "print\"percentage of unprotected winding for earth fault=percent\",p\n"
- ]
- },
- {
- "cell_type": "markdown",
- "metadata": {},
- "source": [
- "## Example 33_5 pgno:626"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": 8,
- "metadata": {
- "collapsed": false
- },
- "outputs": [
- {
- "name": "stdout",
- "output_type": "stream",
- "text": [
- "the neutral earthing resistance=ohms 3.14\n"
- ]
- }
- ],
- "source": [
- "from math import sqrt\n",
- "i=200.;\n",
- "c=.1;\n",
- "v=11e3/sqrt(3);\n",
- "per=.15;\n",
- "x=per*v/(i);\n",
- "ru=c*x;\n",
- "vi=v*c;\n",
- "y=vi/i;\n",
- "r=sqrt((y**2)-(ru**2));\n",
- "r=round(r*100)/100;\n",
- "print\"the neutral earthing resistance=ohms\",r\n"
- ]
- },
- {
- "cell_type": "code",
- "execution_count": null,
- "metadata": {
- "collapsed": true
- },
- "outputs": [],
- "source": []
- },
- {
- "cell_type": "code",
- "execution_count": null,
- "metadata": {
- "collapsed": true
- },
- "outputs": [],
- "source": []
- }
- ],
- "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
-}
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