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ID:36603311
大小:6.65 MB
页数:107页
时间:2019-05-12
《电力系统黑启动恢复及其决策支持技术的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、华北电力大学(保定)博士学位论文电力系统黑启动恢复及其决策支持技术的研究姓名:刘艳申请学位级别:博士专业:电力系统及其自动化指导教师:顾雪平20071201AbstractAsmodernsocietyisdependentonthepowersupplyexcessively,thedamageduetowidespreadblackoutismoreandmoresevere.Asoneofself-rescuemeasures,theresearchonpowersystemblack-startrestorationanditsdecisionsupporttech
2、niqueisofgreatimportancetooptimizingcontrolroutines,relievingrestorationburdens,reducingrestorationdurationandlossresultingfromfaults.Afterfruitsachievedandissuesexistedaboutblackstarthavebeeninvestigatedthoroughly,planningofblack.startschemeisdesignatedtobethekernelofthisthesis.Accordingt
3、otheclassificationofblack—startstages,technicalproblemsanddecisionmethodspriortotheestablishmentofmainnetworkarestudiedbymeansofcentralizedoptimization.Decisionsupporttechniqueisintroducedtoconstructthedecisionsupportframeassistingdispatcherswithmakingandchoosingschemes.Theprototype,theapp
4、licationofdecisionsupportframetoHebei’Ssouthernpowernetwork,showsthattheapproachproposedinthisthesiscouldprovidedispatchersanewaccesstoconstitutingpracticalschemesquicklyandeffectively.Maincontributionsofthisthesisaredescribedasfollowing:1.Simulationprogrammesintegratedonauniformdataplatfo
5、rmaredevelopedSOthattechnicalverificationssuchasgenerator’Sself-excitation,overvoltagewhenenergizingtransmissionlines,etc.aresimplified.Asmoothwayhasbeenpavedfordeveloping.decisionsupportsystemofblackstartandschemes’automatictestandassessment,2.Askeleton-networkreconfigurationstrategybased
6、onassessingnodeimportanceandanoptimizationmethodofreconfigurationcontrolaimingatminimizingrecon疥gurationcostareproposedinordertodecreaserecon69uration’Sloadandcomplexityconsiderably.First,theimportanceofnodesisscaledthroughinvestigatingnetworks’topologicalcharacteristicandobjectivefunction
7、representingnetworkstructureandrestorationconstrainsisconstructed.Discreteparticleswarmoptimizationisemployedinidentifyingskeletonnetworksasrestorationtarget.Furthermore,minimizationofrecon矗gurationCostconsideringrestorationcapacityanddistanceisregardedasoptim
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