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diff --git a/Electrical_Power_Systems_by_C_L_Wadhwa/21-COMPENSATION_IN_POWER_SYSTEMS.ipynb b/Electrical_Power_Systems_by_C_L_Wadhwa/21-COMPENSATION_IN_POWER_SYSTEMS.ipynb new file mode 100644 index 0000000..ea1116f --- /dev/null +++ b/Electrical_Power_Systems_by_C_L_Wadhwa/21-COMPENSATION_IN_POWER_SYSTEMS.ipynb @@ -0,0 +1,73 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 21: COMPENSATION IN POWER SYSTEMS" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 21.1: Determine_the_load_bus_voltage.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//Determine the load bus voltage\n", +"clear \n", +"clc;\n", +"load1=10+%i*15;//load per phase(MVA)\n", +"SCC=250/3;\n", +"V=11/sqrt(3);\n", +"P=30;\n", +"Q=45;\n", +"Z=(11/sqrt(3))^2/(250/3);//Equivalent short circuit impedence\n", +"dsc=atand(5);\n", +"R=.0949;\n", +"X=.4746;\n", +"//Using equation: V^2= (Vcosd+PR/V)^2 + (Vsind+QX/V)^2, we get \n", +"y=poly([51.7 0 -27.5 0 1],'V','c');\n", +"disp(y,'we get equation :');\n", +"X=roots(y);\n", +"disp(X,'Roots of above equation are ');\n", +"V=5.046;\n", +"mprintf('V=%.3f\n',V);\n", +"dV=6.35-V;\n", +"Ssc=250;\n", +"//using expression ,a=dV/v=1(Pcos(dsc)+Qsin(dsc))/Ssc +j(Psin(dsc)-Qcos(dsc))/Ssc\n", +"a=(P*cosd(dsc)+Q*sind(dsc))/Ssc +%i*(P*sind(dsc)-Q*cosd(dsc))/Ssc;\n", +"disp(abs(a),'dV/V= ');" + ] + } +], +"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 +} |