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+// Example 34_24

+clc;funcprot(0);

+//Given data

+P=25;// MW

+CC=12000;// Rs/kW

+CC_ps=15*10^6;// Capital cost of primary and secondary distribution in rupees

+Mc=80*10^4;// Plant maintainence cost in Rs./year

+Mc_ps=2*10^6;// Maintainence cost of primary and secondary equipments in Rs./year

+Sw=6*10^6;// Salaries and wages in Rs./year

+Cc=80*10^3;// Consumption of coal in tonnes/year

+cc=800;// Cost of coal Rs./tonne

+Di=12*10^6;// Rs./year

+E_l=10/100;// Energy loss in transmission 

+F_d=1.5;// Diversity factor

+F_l=80/100;// Load factor

+MD=14;// MW

+

+//Calculation

+L_a=MD*10^3*F_l;// kW

+E_g=L_a*8760;// kW-hr

+CC=P*10^3*CC;// Rs.

+IiD=(10/100)*CC;// Interest,insurance,depriciation charges of plant in rupees

+IiD_ps=(80/100)*CC;// Interest,insurance,depriciation charges of primary and secondary equipments in rupees

+Tfc=IiD+IiD_ps+Di;// Total fixed cost in rupees

+MD_i=MD*10^3*F_d;

+FC=Tfc/MD_i;// Fixed cost per kW in rupees

+Fc=Cc*cc;// Rs./year

+Tvc=Mc+Mc_ps+Sw+Fc;// Total variable charges in rupees

+E_t=E_g*(1-E_l);// Energy generated in kW-hr

+Cec=Tvc/E_t;// Charges for energy consumption in Rs./kW-hr

+Tc=Tfc+Tvc;// Total charges in rupees

+Ac=Tc/E_t;// Average cost of supply in Rs./kWh

+printf('\nAverage cost of supply=Rs.%0.2f/kWh',Ac);

+// The answer provided in the textbook is wrong