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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 IV : UTILIZATION AND TRACTION
+// CHAPTER 1: INDUSTRIAL APPLICATIONS OF ELECTRIC MOTORS
+
+// EXAMPLE : 1.30 :
+// Page number 710
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+J = 1270.0     // Moment of inertia of fly-wheel(kg-m^2)
+N = 500.0      // Speed(rpm)
+hp = 50.0      // Motor rating(hp)
+
+// Calculations
+g = 9.81
+T = hp*746*60/(2*%pi*N*g)         // Full load torque of motor(kg-m)
+T_m = 2*T                         // Accelerating torque(kg-m)
+alpha = T_m*g/J                   // Angular acceleration(rad/sec^2)
+t = 2*%pi*N/(60*alpha)            // Time taken to accelerate a fly-wheel(sec)
+
+// Results
+disp("PART IV - EXAMPLE : 1.30 : SOLUTION :-")
+printf("\nTime taken to accelerate a fly-wheel, t = %.1f sec", t)