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// 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 8: CORONA
// EXAMPLE : 8.1 :
// Page number 227
clear ; clc ; close ; // Clear the work space and console
// Given data
d = 30.0/10 // Diameter of conductor(cm)
delta = 0.95 // Air density factor
m = 0.95 // Irregularity factor
E = 230.0 // Line voltage(kV)
g_0 = 30.0/2**0.5 // Breakdown strength of air(kV/cm)
// Calculations
E_0 = E/3**0.5 // Disruptive critical voltage(kV)
r = d/2.0 // Radius of conductor(cm)
D = exp(E_0/(m*delta*g_0*r))*r/100 // Minimum spacing between conductors(m)
// Results
disp("PART II - EXAMPLE : 8.1 : SOLUTION :-")
printf("\nMinimum spacing between conductors, D = %.3f m \n", abs(D))
printf("\nNOTE: Changes in obtained answer from that of textbook due to precision")
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