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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 3: STEADY STATE CHARACTERISTICS AND PERFORMANCE OF TRANSMISSION LINES
+
+// EXAMPLE : 3.4 :
+// Page number 129
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+P = 15.0*10**6            // Load delivered at receiving end(W)
+PF_r = 0.85               // Receiving end lagging power factor
+r = 0.905                 // Resistance of each conductor(ohm/km)
+V_r = 132.0*10**3         // Receiving end voltage(V)
+loss_per = 7.5/100        // Loss
+
+// Calculations
+loss = loss_per*P             // Losses in line(W)
+I = P/(3**0.5*V_r*PF_r)       // Line current(A)
+l = loss/(3*I**2*r)           // Length of line(km)
+
+// Results
+disp("PART II - EXAMPLE : 3.4 : SOLUTION :-")
+printf("\nDistance over which load is delivered, l = %.2f km", l)