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+{
+"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
+}