電力市場環(huán)境中暫態(tài)穩(wěn)定安全約束下的發(fā)電調(diào)節(jié)策略.pdf

1、天津大學碩士學位論文電力市場環(huán)境中暫態(tài)穩(wěn)定安全約束下的發(fā)電調(diào)節(jié)策略姓名：朱凱鋒申請學位級別：碩士專業(yè)：電力系統(tǒng)及其自動化指導教師：宋文南20030101ABSTRACTWiththedevelopmentofnetworkintereonnectionandpowermarketinChinatransientstabilityproblembecamemoreandmoreseriousthanbefore。Nowhowtosolve

2、thisproblemwithmoreeffectivemethodbecomesoneofthemostimportantprojectsofpowerresearchersOntheotherhand，aSthecurrentofthewholeworld，itisnecessarytoputthetheoryofpowermarketintopracticeinChineseelectricpowersystemstepbyste

3、p，Thewell—roundedtheoryaboutelectricityshouldbeappliedinthefieldofpowermarketfirstlyFacedthetransientstabilityproblemthathappensfrequentlyinChinesenetwork，threemethodsabouttransientstabilityanalysisareintroducedatfirst：T

4、heyaretimedomainsimulationmethod，directmethodandhybridmethodwhichownstheadvantagesofboththeformers。ThenatransientstabilitystrategyforassessmentofTransientEnergyMargin(TEM)isanalysisedwithhybridmethodAndthecriticalclearin

5、gtimecarlbeobtainedthroughinterpolationofTEMOnthebasisoftransientstabilityanalysis，thegenerationschemeinpowermarketmayberescheduledwhentakethesecurityconstraintintoaccountItisinevitablethataregulationofactivepowershouldm

6、akethecostincreasedfromtheoptimalsolutionwithoutanyconstraintsThatincreasingfeeisdefinedasTransientStabilityCostAtthesametimeaspeciallinearrel鑫蛀onbetween氌eshiftofactivepowerandtheincrementofTEMwithinsomerangeisobservedth

7、roughlargenumbersofsimulation。Atlast，theregulationsofgenerationinthreedistinctmodelareresearchedandthedispatchingpolicywhoseobjectfunctioniStominimizetheincreasingfeewhenconsideringthetransientsecurityconstraintisworkedo

8、utCasestudyontheNewEngIandPowerSystemispresentedinthispaperThesolutionsofpoolmodel，bilateralmodelandintegratedmodelshowthetheorymentionedaboveiSCorrectandeffectiveKeywords：TransientEnergyMargin(TEM)，CriticalClearingTime，