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authorprashantsinalkar2017-10-10 12:27:19 +0530
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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 10: POWER SYSTEM STABILITY
+
+// EXAMPLE : 10.14 :
+// Page number 304
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+Power = 20.0*10**3 // Rating of generator(kVA)
+PF = 0.8 // Lagging power factor
+fault = 0.5 // Reduction in output under fault
+P = 4.0 // Number of poles
+f = 50.0 // Frequency(Hz)
+
+// Calculations
+P_m = Power*PF // Output power before fault(kW)
+P_e = fault*P_m // Output after fault(kW)
+P_a = P_m-P_e // Accelerating power(kW)
+w_s = 4.0*%pi*f/P // Speed
+T_a = P_a*10**3/w_s // Accelerating torque at the time the fault occurs(N-m)
+
+// Results
+disp("PART II - EXAMPLE : 10.14 : SOLUTION :-")
+printf("\nAccelerating torque at the time the fault occurs, T_a = %.2f N-m", T_a)