From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3472/CH9/EX9.16/Example9_16.sce | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 3472/CH9/EX9.16/Example9_16.sce (limited to '3472/CH9/EX9.16') diff --git a/3472/CH9/EX9.16/Example9_16.sce b/3472/CH9/EX9.16/Example9_16.sce new file mode 100644 index 000000000..e2216698e --- /dev/null +++ b/3472/CH9/EX9.16/Example9_16.sce @@ -0,0 +1,32 @@ +// A Texbook on POWER SYSTEM ENGINEERING +// A.Chakrabarti, M.L.Soni, P.V.Gupta, U.S.Bhatnagar +// DHANPAT RAI & Co. +// SECOND EDITION + +// PART II : TRANSMISSION AND DISTRIBUTION +// CHAPTER 2: CONSTANTS OF OVERHEAD TRANSMISSION LINES + +// EXAMPLE : 2.16 : +// Page number 112 +clear ; clc ; close ; // Clear the work space and console + +// Given data +l = 40.0 // Length of line(km) +d = 5.0/1000 // Diameter of wire(m) +D = 1.5 // Spacing between conductor(m) +h = 7.0 // Height of conductors above ground(m) + +// Calculations +r = d/2 // Radius of wire(m) +e = 1.0/(36*%pi)*10**-9 // Constant ε_0 +// Neglecting presence of ground +C_ab_1 = %pi*e/(log(D/r)) // Capacitance(F/m) +C_ab_12 = C_ab_1*l*1000.0*10**6 // Capacitance(μF) +// Taking presence of ground +C_ab_2 = %pi*e/log(D/(r*(1+(D/(2*h))**2)**(1.0/2))) // Capacitance(F/m) +C_ab_22 = C_ab_2*l*1000.0*10**6 // Capacitance(μF) + +// Results +disp("PART II - EXAMPLE : 2.16 : SOLUTION :-") +printf("\nCapacitance of line neglecting presence of ground, C_ab = %.3f μF", C_ab_12) +printf("\nCapacitance of line taking presence of ground, C_ab = %.3f μF", C_ab_22) -- cgit