基于高阶泰勒级数快速计算atc的研究-电气工程专业毕业论文

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1、优秀毕业论文硕-丨：毕业论文AbstractAvailabletransmissionabilityisnotonlytobeusedtomeasureimportantindicatorofthepowersystemstabilityandsafety,andisalsooneofkeyinformationtoleadresourcesoptimizationallocation.Enoughavailabletransmissionabilityistheimportantprotectionofsafeandstabilityoperationofthepowergridan

2、disthenecessarypremiseconditionofelectricpowermarketforsmoothtransaction.Orpowersystemwillbehappeningwithalotofhiddendangerandrisktotheoperationofpowersystem,leadingtopowercompaniesandmarketsufferedseverelosses.Inrecentyears,thepowerresourcesbecomenervous，environmentalstressintensifies,howtomake

3、gooduseoftransmissionresourceisbecomingmoreandmoreimportant,soitcanbetransmissionabilitybecomethehotresearchproblems.Atpresent,theworldexpertsandscholars,marketparticipantshavetostudyoutvariousmodelsanditsalgorithmbasedonhowtoimprovethecalculationspeedtransmissioncapacityavailableandonthecalcula

4、tionprecision.Buttheynevergetanalgorithmwhichhasgoodspeedandhighaccuracy.Thispaperwillberectangularofcontinuationpowerflowmodelasthefoundation,consideringPVnodereactivepower,PQnodevoltageamplitude,linecurrentamplitudeandvoltagestabilityconstraints.UsinghighorderTaylorseriesalgorithmtoestablishth

5、eanalyticequationbetweenPVnodesreactivepower,PQnodevoltageamplitude，linecurrentamplitudeandpowercontrolparameters.Usingtheseanalyticalformulascanquicklyandaccuratelyfindvariousconstraintsofthecorrespondingpowercontrolparametervalues.Thepowersystemofdependentandindependentvariablesandchoicemethod

6、s，thispapertovoltageamplitudeandcurrentamplituderespectivelyfortheindependentvariableandpowercontrolparametersforeachnodeofthedependentvariableestablishedpowervoltagetherationalityoftheanalyticalformula.Eachnoderespectivelyestablishedpoweronvoltage,currentanalyticalequation.Andthentheextremisman

7、ecessaryconditionfortheexistenceofquicklyandaccuratelyfindvoltagestabilitycriticalpointandgreattransmissionpower.Comparingtootherconstraintsandvoltagestabilitycriticalpointcorrespondingpowercontrolthesizeoftheparameters,choo