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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 15: INSULATION CO-ORDINATION
+
+// EXAMPLE : 15.1 :
+// Page number 398-399
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+L = 30.0          // Height of arrester located(m)
+BIL = 650.0       // BIL(kV)
+de_dt = 1000.0    // Rate of rising surge wave front(kV/µ-sec)
+V = 132.0         // Transformer voltage at HV side(kV)
+E_a = 400.0       // Discharge voltage of arrester(kV)
+v = 3.0*10**8     // Velocity of surge propagation(m/sec)
+
+// Calculations
+E_t = E_a+(2.0*de_dt*L/300)   // Highest voltage the transformer is subjected(kV)
+
+// Results
+disp("PART II - EXAMPLE : 15.1 : SOLUTION :-")
+printf("\nHighest voltage to which the transformer is subjected, E_t = %.f kV", E_t)