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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 I : GENERATION
// CHAPTER 7: TARIFFS AND ECONOMIC ASPECTS IN POWER GENERATION
// EXAMPLE : 7.11 :
// Page number 76
clear ; clc ; close ; // Clear the work space and console
// Given data
MD = 100.0*10**3 // Maximum demand(kW)
capital_cost = 200.0*10**6 // Capital cost(Rs)
LF = 0.4 // Annual load factor
cost_fueloil = 15.0*10**6 // Annual cost of fuel and oil(Rs)
cost_tax = 10.0*10**6 // Cost of taxes, wages and salaries(Rs)
interest = 0.15 // Interest and depreciation
// Calculations
hours_year = 365.0*24 // Total hours in a year
units_gen = MD*LF*hours_year // Units generated per annum(kWh)
fixed_charge = interest*capital_cost // Annual fixed charges(Rs)
running_charge = cost_fueloil+cost_tax // Annual running charges(Rs)
annual_charge = fixed_charge+running_charge // Total annual charges(Rs)
cost_unit = annual_charge*100/units_gen // Cost per unit(Paise)
// Results
disp("PART I - EXAMPLE : 7.11 : SOLUTION :-")
printf("\nCost per unit generated = %.f paise", cost_unit)
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