From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1904/CH8/EX8.5/8_5.sce | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100755 1904/CH8/EX8.5/8_5.sce (limited to '1904/CH8/EX8.5/8_5.sce') diff --git a/1904/CH8/EX8.5/8_5.sce b/1904/CH8/EX8.5/8_5.sce new file mode 100755 index 000000000..5bc406e70 --- /dev/null +++ b/1904/CH8/EX8.5/8_5.sce @@ -0,0 +1,47 @@ +//To Determine the savings in kilowatt losses +//Page 411 +clc; +clear; + +// 1 is Total Loss Reduction due to Capacitors +// 2 is Additional Loss Reduction due to Capacitor +// 3 is Total Demand Reduction due to capacitor +// 4 is Total required capacitor additions + +C90=[495165,85771,22506007,9810141]; //Characteristics at 90% Power Factor +C98=[491738,75343,21172616,4213297]; //Characteristics at 98% Power Factor + +//Responsibility Factors +RF90=1; +RF98=0.9; + +SLF=0.17; //System Loss Factor +FCR=0.2; //Fixed Charge Rate +DC=250; //Demand Cost +ACC=4.75; //Average Capacitor Cost +EC=0.045; //Energy Cost +Cd=C90-C98; //Difference in Characteristics + +TAS=Cd(1)+Cd(2); //Total Additional Kilowatt Savings + +ASDR1=Cd(1)*RF90*DC*FCR; +ASDR2=Cd(2)*RF98*DC*FCR; +TASDR=ASDR1+ASDR2; //Total Annual Savings due to demand +x=27; // Cost for Per kVA of the capacity +TASTC=Cd(3)*FCR*x; //Annual Savings due to Transmission Capacity +TASEL=TAS*SLF*EC*8760; //Savings due to energy loss reduction +TACAC=Cd(4)*FCR*ACC; //Annual Cost of Additional Capacitors +Savings=TASEL+TASDR+TASTC; //Total Savings + +printf('\na) The Resulting additional savings in kilowatt losses due to power factor improvement at the substation buses is %g kW\n',Cd(1)) +printf('b) The Resulting assitional savings in kilowatt losses due to the power factor improvement for feeders is %g kW\n',Cd(2)) +printf('c) The Additional Kilowatt Savings is %g kW\n',TAS) +printf('d) The Additional savings in the system kilovoltampere capacity is %g kVA\n',Cd(3)) +printf('e) The Additional Capacitors required are %g kVAr\n',Cd(4)) +printf('f) The Annual Savings in demand reduction due to capacitors applied to distribution substation buses is approximately is %g dollars/year\n',TASDR) +printf('g) The Annual Savings due to the additional released transmission capacity is %g dollars/year\n',TASTC) +printf('h) The Total Anuual Savings due to the energy loss reduction is %g dollars/year\n',TASEL) +printf('i) The Total Annual Cost of the additional capacitors is %g dollars/year\n',TACAC) +printf('j) The Total Annual Savings is %g dollars/year\n',Savings) +printf('k) No, Since the total net annual savings is not zero\n') + -- cgit