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diff --git a/Basic_Electrical_And_Electronics_Engineering_by_R_R_Singh/6-Electrical_Machines.ipynb b/Basic_Electrical_And_Electronics_Engineering_by_R_R_Singh/6-Electrical_Machines.ipynb new file mode 100644 index 0000000..8f46cbf --- /dev/null +++ b/Basic_Electrical_And_Electronics_Engineering_by_R_R_Singh/6-Electrical_Machines.ipynb @@ -0,0 +1,272 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 6: Electrical Machines" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.1: Example_1.sci" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Chapter6,Pg6.6,Ex6.1\n", +"clc;\n", +"P=6 //Number of poles in armature\n", +"phi=0.018 //Flux per pole in Wb\n", +"N=600 //Angular velocity in rpm\n", +"Z=840 //Number of conductors\n", +"A=P //For lap wound armature, number of parallel paths=number of poles\n", +"Eg=(phi*Z*N*P)/(60*A)\n", +"printf('\n Eg=%.1f V \n',Eg)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.2: Example_number_2.sci" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Pg6.6,Ex6.2\n", +"clc;\n", +"P=6 //Number of poles\n", +"A=2 //No of parallel paths\n", +"Z=300 //Number of conductors\n", +"N=1000 //Angular velocity\n", +"Eg=400 //Generated Emf\n", +"phi=(60*Eg*A)/(Z*N*P)\n", +"printf('\n phi=%.4f Wb\n',phi)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.3: Example_number_3.sci" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Pg6.7,Ex6.3\n", +"clc;\n", +"n=80 //Number of slots on armature\n", +"cps=10 //number of conductors per slot\n", +"Eg=400 //Generated EMF\n", +"N=1000 //Angular velocity\n", +"//part(i)\n", +"ctotal=n*cps\n", +"phi=(Eg*60)/(N*ctotal) //Since A=P\n", +"printf('\n phi=%.2f Wb \n',phi)\n", +"//part(ii)\n", +"Eg=220\n", +"N=(Eg*60)/(phi*ctotal)\n", +"printf('\n N=%.0f rpm \n',N)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.4: Example_number_4.sci" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Pg 6.7,Ex6.4\n", +"clc;\n", +"P=4 //Number of poles\n", +"V=200 //Supply voltage\n", +"Rf=80 //field resistance in ohms\n", +"Ra=0.1 //Armature resistance in ohms\n", +"Il=100 //Load current in amperes\n", +"//part(i)\n", +"If=V/Rf\n", +"printf('\n Il=%.1f A \n',Il)\n", +"Ia=Il+If\n", +"printf('\n Ia=%.1f A \n',Ia)\n", +"//part(ii)\n", +"A=P //For lap wound generator\n", +"cpp=Ia/4 \n", +"printf('\n Current per armature path=%.3f A \n',cpp)\n", +"//Current per armature path=total current divided by total number of conductors\n", +"///part(iii)\n", +"Eg=V+(Ia*Ra)+(0.1*2) //Where the last term in the addition is brush drop\n", +"printf('\n Eg=%.2f V \n',Eg)\n", +"" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.5: Example_number_5.sci" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Pg 6.5,ex6.8\n", +"clc;\n", +"V=250 //Terminal voltage\n", +"Il=450 //Load current\n", +"Rf=50 //Field resistance in ohms\n", +"Ra=0.05 //Armature resistance in ohms\n", +"P=4 //Number of poles\n", +"phi=0.05 //Flux per pole in Wb\n", +"If=V/Rf\n", +"printf('\n If=%.0f A \n',If)\n", +"Ia=Il+If\n", +"printf('\n Ia=%.0f A \n',Ia)\n", +"Eg=V+(Ia*Ra)\n", +"printf('\n Eg=%.2f V \n',Eg)\n", +"n=120 //Number of slots in armature\n", +"cpp=4 //Conductors per slot\n", +"Z=n*cpp //Total number of conductors on armature\n", +"A=P //For lap wound generator\n", +"N=(Eg*60*A)/(phi*Z*P)\n", +"printf('\n N=%.0f rpm \n',N)\n", +"\n", +"" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.6: Example_number_6.sci" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Ex6.6,Pg6.8\n", +"clc;\n", +"V=230 //Supply voltage\n", +"Il=40 //Current in amperes\n", +"Ra=0.5 //Armature winding\n", +"Rf=115 //Resistance in ohms\n", +"//Generator operation\n", +"disp('Generator operation')\n", +"Il=40 //Load current in amperes\n", +"If=V/Rf\n", +"printf('\n If=%.0f A \n',If)\n", +"Ia=Il+If\n", +"printf('\n Ia=%.0f A \n',Ia)\n", +"Eg=V+(Ia*Ra)\n", +"printf('\n Eg=%.0f V \n',Eg)\n", +"//Motor operation\n", +"disp('Motor operation')\n", +"Il=40\n", +"If=2\n", +"Ia=Il-If\n", +"printf('\n Ia=%.0f A \n',Ia)\n", +"Eb=V-(Ia*Ra)\n", +"printf('\n Eb=%.0f V \n',Eb)\n", +"n=Eb/Eg\n", +"printf('\n N2/N1=% .4f \n',n)" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 6.7: Example_number_7.sci" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Ex6.7\n", +"clc;\n", +"V=100\n", +"Il=200\n", +"Rs=0.03\n", +"Rf=60\n", +"Ra=0.04\n", +"Vsfw=Il*Rs\n", +"printf('\n Voltage drop in series field winding =%.0f V \n',Vsfw)\n", +"If=(V+(Il*Rs))/Rf\n", +"printf('\n If=%.2f A \n',If)\n", +"Ia=Il+If\n", +"printf('\n Ia=%.2f A \n',Ia)\n", +"Eg=V+(Il*Rs)+(Ia*Ra)\n", +"printf('\n Generated EMF=%.2f V \n',Eg)" + ] + } +], +"metadata": { + "kernelspec": { + "display_name": "Scilab", + "language": "scilab", + "name": "scilab" + }, + "language_info": { + "file_extension": ".sce", + "help_links": [ + { + "text": "MetaKernel Magics", + "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md" + } + ], + "mimetype": "text/x-octave", + "name": "scilab", + "version": "0.7.1" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |