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1、AnalysisofPowerSystemblackoutbasedonMatpowerADissertationsubmittedinfulfillmentoftherequirementsofthedegreeofMASTEROFENGINEERINGfromShandongUniversityofScienceandTechnologyMayiSupervisor:AssociateProfessorYuQunCollegeofInformationandElectricalEngineeringMay2013:j=尸明本人呈交給山東科技大學的這篇碩士學位論文,除了所列參考文獻和世所
2、公認的文獻外,全部是本人在導(dǎo)師指導(dǎo)下的研究成果。該論文資料尚沒有呈交于其它任何學術(shù)機關(guān)作鑒定。碩士生簽名:日AFFIRMATION寫鋁加乃阜f月/弓日Ideclarethatthisdissertation,submittedinfulfillmentoftherequirementsfortheawardofMasterofPhilosophyinShandongUniversityofScienceandTechnology,iswhollymyownworkunlessreferencedofacknowledge.Thedocumenthasnotbeensubmittedforq
3、ualificationatanyotheracademicinstitute.Signature.饑冗Date:乙侈,鏟/3山東科技大學碩:f=學位論文摘要摘要近幾年在世界范圍內(nèi)發(fā)生的多起大停電事故,對當?shù)厣鐣?jīng)濟和人民生活造成了巨大影響。保證電網(wǎng)安全穩(wěn)定,減少大停電的發(fā)生至關(guān)重要。本文在分析了大停電事故形成機理和參考其他電網(wǎng)故障模型后,基于牛頓拉夫遜交流潮流算法提出了模擬電網(wǎng)大停電事故發(fā)展的AC.SOC.PF模型,并在Matlab環(huán)境下基于Matpower程序包編程實現(xiàn),在該模型上驗證了停電概率分布的冪律特性。本文設(shè)計了模擬電網(wǎng)發(fā)展過程中發(fā)生停電事故的AC.SOC.PFII模型,分析了
4、電網(wǎng)升級和負荷增長兩方面對電網(wǎng)自組織過程的影響。隨后在AC.SOC.PF模型中研究不同因素對電網(wǎng)停電事故特性的影響,仿真了減少大停電發(fā)生事故的措施并驗證了其有效性。關(guān)鍵詞:Matpower,交流潮流,大停電,自組織臨界山東科技人學碩:J?學位論文摘要AbstractInrecentyears,severallarge-scaleblackoutshappenedthroughouttheworld,whichcausedtremendouseffectonthelocalsocialeconomyandpeople‘Sdailylife.Therefore,itisofvitalimpor
5、tancetoreducethelargeblackoutsandensurethesecurityandstabilityofpowergrid.ThepaperproposedtheAC·-SOC-·PFmodelbasedonNewton··RaphsonACpowerflowalgorithmbyMatpowerprogrampackageinMatlab,whichanalogsthedevelopmentofblackoutandverifiesthepower-lawprobabilitydistributioncharacteristicsofblackout,bymean
6、sofanalysisoftheformationmechanismofblackoutandtheotherreferencedgridfaultmodels.AndtheAC—SOC-PFIImodelwasproposedtosimulatetheprocessofdevelopmentofblackoutinpowersystem.Itanalyzedtheinfluenceofthetwoaspectsofgridupgradesandloadgrowthonself-organizationprocessofpowersystem.ThenaccordingtotheAC—SO
7、C—PFmodel,itanalyzedtheinfluenceofeachelementinpowersystemoperationonblackoutaccidentcharacteristicsandsimulatesthemeasureswhichreduceblackoutaccidentandverifiestheire仔宅ctivenessKeywords:Matpower,ACpowerflow,blac