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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 : 8.5 :
// Page number 229
clear ; clc ; close ; // Clear the work space and console
// Given data
V = 132.0 // Operating line voltage(kV)
dia = 1.956 // Diameter of conductor(cm)
v_c = 210.0 // Disrputive voltage(kV)
g_0 = 30.0/2**0.5 // Breakdown strength of air(kV/cm)
// Calculations
r = dia/2.0 // Radius of conductor(cm)
V_c = v_c/3**0.5 // Disrputive voltage/phase(kV)
m_0 = 1.0 // Irregularity factor
delta = 1.0 // Air density factor
d = exp(V_c/(m_0*delta*g_0*r))*r // Spacing between conductors(cm)
// Results
disp("PART II - EXAMPLE : 8.5 : SOLUTION :-")
printf("\nSpacing between the conductors, d = %.f cm \n", abs(d))
printf("\nNOTE: Changes in the obtained answer from that of textbook is due to precision")
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