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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 III : SWITCHGEAR AND PROTECTION
+// CHAPTER 6: CIRCUIT BREAKER
+
+// EXAMPLE : 6.6 :
+// Page number 567
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+I = 1200.0     // Rated normal current(A)
+MVA = 1500.0   // Rated MVA
+kV = 33.0      // Voltage(kV)
+
+// Calculations
+I_breaking = MVA/(3**0.5*kV)   // Rated symmetrical breaking current(kA)
+I_making = I_breaking*2.55     // Rated making current(kA)
+I_short = I_breaking           // Short-time rating(kA)
+
+// Results
+disp("PART III - EXAMPLE : 6.6 : SOLUTION :-")
+printf("\nRated normal current = %.f A", I)
+printf("\nBreaking current = %.2f kA (rms)", I_breaking)
+printf("\nMaking current = %.f kA", I_making)
+printf("\nShort-time rating = %.2f kA for 3 secs", I_short)