Thesis - Assessing the Effectiveness of Wind Power and Cogen

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1、UNIVERSITYOFCALGARYAssessingtheEffectivenessofWindPowerandCogenerationforCarbonManagementofElectricPowerSystemsbyGaneshDoluweerawattaGamageATHESISSUBMITTEDTOTHEFACULTYOFGRADUATESTUDIESINPARTIALFULFILLMENTOFTHEREQUIREMENTSFORTHEDEGREEOFDOCTOROFPHILOSOPHYDEPARTMENTOF

2、ELECTRICAL&COMPUTERENGINEERINGCALGARY,ALBERTASEPTEMBER,2011©GaneshDoluweerawattaGamage2011AbstractClimatechangeisanimportantenvironmentalissuethatmayhavesignificantadverseimpactsonhumanwelfare.Consequently,prudentactionsareneededimmediatelytocontroltheemissionsofCO

3、2,themaincontributinggreenhousegasforclimatechange.SinceelectricpowergenerationisalocationspecificandintensivesourceofCO2emissions,focusingonreductionsinthissectorcanhaverelativelyrapidandsignificanteffectsonoverallCO2levels.Inthiscontext,thisthesismakesthreeprincipa

4、lcontributions.First,theeffectivenessofwindpowerforcarbonmanagementofelectricpowersystemsisassessed.WindpowerisconsideredasacriticaltechnologytoproduceelectricitywithoutCO2emissions.However,windpowerisavariablesourceofelectricityandpowersystemsoperatedwithwindpower

5、mustensuresystemreliabilitybyfirmingwindvariations.Inthiswork,usingtheAlbertaelectricsystemasacasestudy,theeffectivenessofwindpowerforcarbonmanagementisassessedtakingtheancillarycostsandemissionsassociatedwithfirmingwindpowervariationintoaccount.OperationsoftheAlbert

6、aelectricsystemwithdifferentlevelsofwindpenetrationaresimulatedusingdispatchmodelsthathavesufficientresolutiontocapturethedynamicsofwindvariations.Themainresultofthisworkisasetofcarbonabatementsupplycurves.Second,astochasticdecisionsupportmodelthatcanbeusedforoperati

7、onaldecisionmakingofawindpowerplant(WPP)andacompressedairenergystoragesystem(CAES)thatjointlyparticipateinadayaheadelectricitymarketisdeveloped.Thismodelinherentlytakestheuncertaintyofwindandmarketpriceofelectricityandderivestheoptimaloperatingrulesthatmaximizepro

8、fitsoftheWPPandCAESsystem.iiThird,theroleofcogenerationforcarbonmanagementisevaluatedutilizingamassandenergybalancemodelandengineeringeconomicanalysis.By