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diff --git a/Power_Electronics_by_B_R_Gupta_And_V_Singhal/6-Cycloconverters.ipynb b/Power_Electronics_by_B_R_Gupta_And_V_Singhal/6-Cycloconverters.ipynb
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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 6: Cycloconverters"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.1: Find_the_input_voltage_SCR_rating_and_Input_Power_Factor.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//6.1\n",
+"clc;\n",
+"Vo_max=250;\n",
+"Vm=Vo_max*%pi*2^0.5/(3*sin(%pi/3));\n",
+"Vrms=Vm/2^0.5;\n",
+"printf('RMS value of input voltage =%.1f V', Vrms)\n",
+"I=50;\n",
+"Irms=I*2^0.5/3^0.5;\n",
+"PIV=3^0.5*Vm;\n",
+"Irms_input=(I^2/3)^0.5;\n",
+"Po=Vo_max*I*0.8;\n",
+"Pi_per_phase=1/3*Po;\n",
+"pf_input=Pi_per_phase/(Irms_input*Vrms)\n",
+"printf('\nInput power factor =%.3f lagging', pf_input)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.2: Find_RMS_value_of_output_voltage_for_firing_angle_30_and_45_degree.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//6.2\n",
+"clc;\n",
+"Vo_max=250;\n",
+"alph=30;\n",
+"Vo=Vo_max*cosd(alph);\n",
+"printf('RMS value of output voltage for firing angle 30 degree =%.1f V', Vo)\n",
+"alph=45;\n",
+"Vo=Vo_max*cosd(alph);\n",
+"printf('\nRMS value of output voltage for firing angle 45 degree =%.2f V', Vo)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 6.3: Find_RMS_value_of_output_voltage_for_firing_angle_0_and_30_degree.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"//6.3\n",
+"clc;\n",
+"Vrms=230;\n",
+"alph=0;\n",
+"Vo=6*2^0.5*Vrms/(%pi*2^0.5)*sin(%pi/6)*cosd(alph);\n",
+"printf('RMS value of output voltage for firing angle 0 degree =%.2f V', Vo)\n",
+"alph=30;\n",
+"Vo=6*2^0.5*Vrms/(%pi*2^0.5)*sin(%pi/6)*cosd(alph);\n",
+"printf('\nRMS value of output voltage for firing angle 30 degree =%.1f V', Vo)"
+   ]
+   }
+],
+"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
+}