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Diffstat (limited to '3872/CH4/EX4.9')
| -rw-r--r-- | 3872/CH4/EX4.9/Ex4_9.JPG | bin | 0 -> 18910 bytes | |||
| -rw-r--r-- | 3872/CH4/EX4.9/Ex4_9.sce | 27 |
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diff --git a/3872/CH4/EX4.9/Ex4_9.JPG b/3872/CH4/EX4.9/Ex4_9.JPG Binary files differnew file mode 100644 index 000000000..df2b39483 --- /dev/null +++ b/3872/CH4/EX4.9/Ex4_9.JPG diff --git a/3872/CH4/EX4.9/Ex4_9.sce b/3872/CH4/EX4.9/Ex4_9.sce new file mode 100644 index 000000000..7553913b2 --- /dev/null +++ b/3872/CH4/EX4.9/Ex4_9.sce @@ -0,0 +1,27 @@ +// Book - Power System: Analysis & Design 5th Edition
+// Authors - J. Duncan Glover, Mulukutla S. Sharma, Thomas J. Overbye
+// Chapter - 4 : Example 4.9
+// Scilab Version 6.0.0 : OS - Windows
+
+
+clc;
+clear;
+
+Vxy = 20; // Line voltage in kV
+e = 8.854*10^-12;
+r = (0.023*0.3048); // Radius of the copper conductor in metre
+
+Cxy = 5.178*10^-12; // Line to Line capacitance in F/m
+qx = ((Cxy)*(Vxy)*(10^3)); // Charge in Columb/metre
+qy = -qx; // Charge in Columb/metre
+Er = (qx/(2*%pi*e*r))*(1/1000)*(1/100); // conductor surface electric field strength in kVrms/cm
+Xx = -0.762; // Coordinate for conuctor x with the reference point R
+Yx = 0.762; // Coordinate for conuctor Y with the reference point R
+w = 5.49; // Distance of the conductor from the reference point along Y axis
+z = (2*%pi*e);
+g = ((2*w)/(w^2));
+n = (2*w)/((5.49)^2+(Yx+Yx)^2);
+Ek = (qx/z)*(g-n)*10^-3; // Ground-level electric field strength in kV/m
+
+printf('conductor surface electric field strength is (Er) = %0.2f kVrms/cm', Er);
+printf('\nGround-level electric field strength is (Ek) = %0.4f kV/m', Ek);
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