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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 2: CONSTANTS OF OVERHEAD TRANSMISSION LINES
+
+// EXAMPLE : 2.4 :
+// Page number 101
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+l = 80.0            // Length of 3-phase transmission line(km)
+D = 100.0           // Distance between conductors(cm)
+d = 1.0             // Diameter of conductor(cm)
+
+// Calculations
+r_GMR = 0.7788*d/2.0                 // GMR of conductor(cm)
+L = 2.0*10**-7*log(D/r_GMR)          // Inductance per phase(H/m)
+L_l = L*l*1000.0                     // Inductance per phase for 80km(H)
+
+// Results
+disp("PART II - EXAMPLE : 2.4 : SOLUTION :-")
+printf("\nInductance per phase of the system, L = %.4f H \n", L_l)
+printf("\nNOTE: ERROR: Calculation mistake in textbook to find Inductance per phase of the system")