一種理論線損計算的電量潮流法.pdf

1、大連理工大學(xué)碩士學(xué)位論文一種理論線損計算的電量潮流法姓名：邵軍申請學(xué)位級別：碩士專業(yè)：檢測技術(shù)與自動化裝置指導(dǎo)教師：邵誠20040301AbstraotTherateofpowertransmissionlosseswhichhadcaughtmuchattentionofpowel’enterprisesandmanyrelatedorganizations，playsaveryimportantroleinevaluatingthe

2、economicsofapowersystemSincethereformofthepowerindustrypowertransmissionlosseshavedirectlyaffectedthepowerprice，whichisvitaltothebenefitofenterprisesSoaccuratelycalculabilityofpowertransmissionlossesisveryimportantnotonl

3、ytotheevaluationofpowertransmissionlossesmanagement，butalsototheformulationsoflossesdecreasingmeaSurementFirstlyexistingmethodsforcalculationofthetheoreticaltransmissionenergylossesisinvestigatedindetailinthispaperandthe

4、limitationofthemisalsopointedoutVariouskindsofcalculationmethodsareappliedunderdifferentrequirementsontheresultprecisionandscaleofthedatacollectedTherearecalculationmethodsoflossesfactorequalsquarerootofcurrentandequival

5、entnodepowerButnoneofthemaddedtheeffectofthelcadCHIVeandthegenerationcurveCaleulationexperienceshowedthatsometimetheerrorcausedbydisregardingtheloadcurveandgenerationcurvemaybefrom23％to29％，itisunacceptableBasedOntheabove

6、research，anewmethodusingelectricityquantitiesflowtocalculatepowertransmissionlossesisproposedinthispaperitcoverstheloadflowcalculationandnon—linearconstrainedoptimizationAccordingtothe24hourselectricityquantitiesrecordso

7、falltransformersubstationsthismetIlodUSeSelectricityquantitiesflowtocalculatethewholelossesandthelossesofeverylineFortheillconditionedloadflowcausedbytheerrorproducedinthetransformationfromelectricityquantitiestoaveragep

8、owerdirectcurrentloadflowandsensitivityvectorallpresentedtofindouttheillnode，thenbyadjustingtheloadcurveandgenerationcUrVeinacertainprinciple，whichisshownindetailwithseveralflowcharts，anewoperationmodeisreestablishedtoen

9、suretheeonvergenceofthecalculationOptimalmultipliermethodisproposedtoworkouttheleastsquaresolutionaccordingtoillconditionedstructuralpowernetworkTheelectricityquantitiesflowmethodenhancesthereliabilityandaccuracyofthecal