含分布式电源的配电网无功优化-研究

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1、万方数据含分布式电源的配电网无功优化研究ReactivePowerOptimizationforDistributionNetworkwithDistributedGenerationAbstractReactivepoweroptimizationiSatraditionalresearchsubject1ndistributionnetwork．butitisswitchondistributedgenerationandbreaksone—wayflowmodeoftraditionalpo

2、werflow谢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