From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

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 3472/CH7/EX7.10/Example7_10.sce | 44 +++++++++++++++++++++++++++++++++++++++++
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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 : 7.10 :
+// Page number 76
+clear ; clc ; close ; // Clear the work space and console
+
+// Given data
+cap_installed = 210.0*10**3       // Installed capacity of the station(kW)
+capital_cost_kW = 1000.0          // Capital cost of station(Rs/kW)
+fixed_cost_per = 0.13             // Fixed cost = 13% * cost of investment
+variable_cost_per = 1.3           // Variable cost = 1.3*fixed cost
+LF_1 = 1.0                        // Load factor
+LF_2 = 0.5                        // Load factor
+
+// Calculations
+MD = cap_installed                                          // Maximum demand(kW)
+hours_year = 365.0*24                                       // Total hours in a year
+capital_cost = capital_cost_kW*cap_installed                // Capital cost of station(Rs)
+// Case(i) At 100% load factor
+fixed_cost_1 = capital_cost*fixed_cost_per                  // Fixed cost(Rs)
+variable_cost_1 = variable_cost_per*fixed_cost_1            // Variable cost(Rs)
+operating_cost_1 = fixed_cost_1+variable_cost_1             // Operating cost per annum(Rs)
+units_gen_1 = LF_1*MD*hours_year                            // Total units generated(kWh)
+cost_gen_1 = operating_cost_1*100/units_gen_1               // Cost of generation per kWh(Paise)
+// Case(ii) At 50% load factor
+fixed_cost_2 = capital_cost*fixed_cost_per                  // Fixed cost(Rs)
+units_gen_2 = LF_2*MD*hours_year                            // Total units generated(kWh)
+variable_cost_2 = variable_cost_1*units_gen_2/units_gen_1   // Variable cost(Rs)
+operating_cost_2 = fixed_cost_2+variable_cost_2             // Operating cost per annum(Rs)
+cost_gen_2 = operating_cost_2*100/units_gen_2               // Cost of generation per kWh(Paise)
+
+// Results
+disp("PART I - EXAMPLE : 7.10 : SOLUTION :-")
+printf("\nCost of generation per kWh at 100 percent load factor = %.2f paise", cost_gen_1)
+printf("\nCost of generation per kWh at 50 percent load factor = %.1f paise", cost_gen_2)
+printf("\nComment: As the load factor is reduced, cost of generation is increased\n")
+printf("\nNOTE: ERROR: (1) In problem statement, Capital cost of station must be Rs. 1000/kW, not Rs. 1000/MW")
+printf("\n             (2) Calculation mistake in Total units generated in Case(i) in textbook")
-- 
cgit