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diff --git a/3888/CH14/EX14.2/Ex14_2.JPG b/3888/CH14/EX14.2/Ex14_2.JPG Binary files differnew file mode 100644 index 000000000..4aed844b0 --- /dev/null +++ b/3888/CH14/EX14.2/Ex14_2.JPG diff --git a/3888/CH14/EX14.2/Ex14_2.sce b/3888/CH14/EX14.2/Ex14_2.sce new file mode 100644 index 000000000..465af125e --- /dev/null +++ b/3888/CH14/EX14.2/Ex14_2.sce @@ -0,0 +1,38 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 14.2
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+
+V=220; //Supply voltage in kV
+f=50; //Supply frequency in Hz
+r=1; //Radius of the conductor in cm
+d=400; //Distance between the conductor in cm
+m=0.96; //Smooth surface value of conductor
+b=73; //Barometric pressure in cm of Hg
+t=20; //Temperature in celcius
+adf=3.92*b/(273+t); //Air density factor
+Vc=r*21.1*m*0.9767*log(d/r); //Phase to neutral critical disruptive voltage in kV
+Vp=V/sqrt(3); //Line phase voltage in kV
+Pc=241*10^(-5)*(f+25)/0.9767*sqrt(r/d)*(Vp-Vc)^(2); //Peek's formula for corona loss in a fair weather in kW/phase/km
+Pc1=241*10^(-5)*(f+25)/0.9767*sqrt(r/d)*(Vp-0.8*Vc)^(2); //Peek's formula for corona loss in a rainy weather in kW/phase/km
+
+
+printf("\nThe fair weather corona loss is %.2f kW/phase/km",Pc);
+printf("\nThe rainy weather corona loss is %.2f kW/phase/km",Pc1);
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