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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 : 10.9 :
// Page number 275
clear ; clc ; close ; // Clear the work space and console
// Given data
V = 132.0*10**3 // Sending end voltage(V)
Z_line = complex(4,6) // Line impedance per phase(ohm)
// Calculations
V_S = V/3**0.5 // Sending end phase voltage(V)
V_R = V/3**0.5 // Receiving end phase voltage(V)
Z = abs(Z_line) // Impedance(ohm)
R = real(Z_line) // Resistance per phase(ohm)
P_max_phase = ((V_S*V_R/Z)-(R*V_R**2/Z**2))/10**6 // Maximum steady state power that can be transmitted over the line(MW/phase)
P_max_total = 3.0*P_max_phase // Maximum steady state power that can be transmitted over the line(MW)
// Results
disp("PART II - EXAMPLE : 10.9 : SOLUTION :-")
printf("\nMaximum steady state power that can be transmitted over the line, P_max = %.f MW (total 3-phase)", P_max_total)
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