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1、萬方數(shù)據(jù)含分布式電源的配電網(wǎng)無功優(yōu)化研究ReactivePowerOptimizationforDistributionNetworkwithDistributedGenerationAbstractReactivepoweroptimizationiSatraditionalresearchsubject1ndistributionnetwork．butitisswitchondistributedgenerationandbreaksone—wayflowmodeoftraditionalpo
2、werflow謝msinglepowersupplying，whichputsforwardnewrequirementsforreactivepoweroptimizationproblemondistributionnetwork．Thispapersumarriesresearchproductionsofreactivepoweroptimizationofdistributionnetworkswitchingondistributedgeneration．Thekeyissuesonr
3、eactivepoweroptimizationarepointedout．Itdescribesmathematicalmodels，algorithms，applicationandproblemsinthereactivepoweroptimizationsystematically．Anditpointsoutthecurrentproblemsofreactivepoweroptimizationandseveralaspectsneedtobestudiedindepth．Itisan
4、alyzedthatthemodelofdistributedgenerationinpowerflowcalculationsuchaswind，fuelcells，photovoltaiccells，microgasturbineaswellasitsinterconnectioninterfacemodel．FollowedbythestudiesofdifferenttypesofDGinterfacemodelandthenodetapeapproachinthepowerflowcal
5、culation．Inthispaper，thepowerflowalgorithmisimproved，andputsforwardtheimprovedNewtonmethod，basedontheimprovedNewton’SmethodcontainingDGaccessofpowerflowcalculationprogram，IEEE33nodesdistributionsystemisforsimulatingcalculation，itisresearchinganalyzedt
6、hatthedifferenton-position，differenton—capacityrespectivelyontheinfluenceoftheactivenetworklossandnodevoltageindistributionnetwork．Themathematicalmodelofreactivepoweroptimizationhasbeenestablished，Itadoptsapenaltyfunctionmethodfortheout-of-limitofvolt
7、ageandreactivepowertopunishtoimproveitsmodel，Geneticalgorithmthatissolvingthemodelofintelligentoptimizationalgorithmisstudied．Itisanalyzedtheinfluenceofsystemvoltageandnetworklossabouton-number，on-type，on-position，on—capacityandthechangeofdistribution
8、networkstructureandoperationmodeofsystem．IEEE3nodesdistributionsystemisasexampletosimulateonreactivepoweroptimization．ResultsshowthatdifferentnodetypesofsingleDGaccess，bothvoltageandnetworklossofdistributionnetworkcanbeeffectivelyimproved；Thev
