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+// Chapter 15 Example 3//
+clc
+clear
+//advance angle=b,extinction angle=c//
+b=20;// in degrees//
+c=10;
+//dc voltage input to inverter = vdi, ac output voltage of inverter =vdoi//
+// vdi=vdoi*(cosd(b)+cosd(c))/2 interchanging variables we get//
+vd=500;//in kV//
+vdoi=2*vd/(cosd(b)+cosd(c));
+printf("\n AC Output voltage of the inverter = %.2f kV\n",vdoi);
+// ac voltage supply =em//
+em=%pi*vdoi/(3*sqrt(3));
+printf("\n AC Output voltage = %.2f kV\n",em);
+\ No newline at end of file