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+//Example 6_32 page no:367
+clc;
+//given
+power = 75;//in kW
+t1 = 4000;//in hours
+cost = 3600;//in rupees
+motor_eff = 0.91;
+pow_fac = 0.89;
+trans_cost = 18;//in rupees per kVA
+dep = 0.8;
+transformer_cost = 6000;//in rupees
+trans_eff = 0.91;
+trans_pow_fac = 0.89;
+max_tariff = 108;
+tariff = 4;
+output = 75;//in kW
+//sol
+kVA_input = output/(pow_fac*motor_eff);
+cost_of_trans = 100 * trans_cost;
+tot_cap_cost = cost + cost_of_trans;
+annual_cost = tot_cap_cost * 8/100;
+ove_eff = trans_eff * 0.98;
+loss = ((1/ove_eff)-1)*power;
+yr_cost_loss = (loss * t1 * tariff)/100;
+max_demand = power / (motor_eff*0.98*trans_pow_fac);
+max_demand_chc = max_demand * max_tariff;
+tot_cost = max_demand_chc + yr_cost_loss + annual_cost;
+yr_cap_cost = transformer_cost * 12 /100;
+loss = ((1/motor_eff)-1)*power;
+yr_cost_of_loss = loss * t1 * tariff / 100;
+max_dmd_chc = 92.5 * max_tariff;
+total_cost = max_dmd_chc + yr_cost_of_loss + yr_cap_cost;
+saving = tot_cost - total_cost;
+disp(saving,"the total yearly saving is (in rupees)");
+//the calculation for loss is wrong in textbook so the result of saving vary with textbook