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diff --git a/3888/CH15/EX15.4/Ex15_4.JPG b/3888/CH15/EX15.4/Ex15_4.JPG Binary files differnew file mode 100644 index 000000000..9a949882d --- /dev/null +++ b/3888/CH15/EX15.4/Ex15_4.JPG diff --git a/3888/CH15/EX15.4/Ex15_4.sce b/3888/CH15/EX15.4/Ex15_4.sce new file mode 100644 index 000000000..f8fd169c3 --- /dev/null +++ b/3888/CH15/EX15.4/Ex15_4.sce @@ -0,0 +1,23 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 15.4
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+
+V=110; //Line voltage in kV
+r=1; //Conductor radius in cm
+p1=5; //Permittivitie of the material A
+p2=4; //Permittivitie of the material B
+p3=2; //Permittivitie of the material C
+G1=50; //Permissible stress of the material A in kV/cm
+G2=40; //Permissible stress of the material B in kV/cm
+G3=30; //Permissible stress of the material C in kV/cm
+r1=p1*r*G1/(p2*G2); //Outer radius of the material A in cm
+r2=p2*r1*G2/(p3*G3); //Outer radius of the material B in cm
+R=exp(1.638); //Outer radius of the material C in cm(solving the eqn 15.24 in the book )
+
+printf("\nThe minimum internal sheath radius of the cable is %.2f cm",R)
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