含分布式电源的智能小区微网系统经济调度和孤网运行下的调频策略-研究

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1、万方数据输出跟随微网系统频率变化。基于孤网运行的智能小区微网系统，建立了智能小区微网系统孤网运行下的频率控制动态模型，通过算例钫真，验证了所提出的调频策略改善了智能小区微网系统的频率调节性能，增强了抵御负荷冲击的能力。关键词：智能小区微网系统；分布式电源；电动汽车；经济调度；频率控制II万方数据ABSTRACTSmartdistrictMicro—gridcallbedefinedasalowvoltagedistributionnetworksclustereddistributedpowersources，storagedevicesandloadsthati

2、ssercicedbyadistributionnetworkandcanoperateeithergrid·connectedorisolatedmodes．Astheaccessterminalofnewgenerationteclmologiesandmethods，smartdistrictmicro-gridneedstorealizetheenergycoordinationbetweendistributedpowerSOurCeS，energystorageunit，loadsanddistributionnetwork，ensuresystemr

3、eliableandeconomicpowersupply,whichrequirethefeaSibleoperationandcontrolstrategyofsmartdistrictmicro—gridEconomicdispatchingforsmartdistrictmicro—gridisaninportantaSpectattheoperationcontrolstage，itemployeconomicgenerationschedulingtocoordinatetheoutputofthedistdbutedpowersourcesaswel

4、l雒tomeetthegivenloadlevel．thenminimizethetotaloperationcostofsmartdistrictmicro-grid；Frequencyregulationforsmartdistrictmicro一鲥disallimportantguaranteefortherealizationofsystemsafeandeconomicoperation，itthroughcontroltheoutputoffrequencymodulationunittomeetthechangingdemand，maintainth

5、efrequencyconstantofsmartdistrictmicro—grid，andensuretheeconomicandstableoperationofsmartdistrictmicro-grid．Thisarticlefocusesoneconomicdispatchandfrequencyregulationofdistributedgenerationandsmartdistrictmicro—grid．thedetailedresearchcontentsaresummarizedasfollows(1)Thepaperfirstlyan

6、alyzingformerresearchesofsmartdistrictmicro一班dathomeandabroad，giveanintegrateddesignforsmartdistrictmicro-鲥donthebaSisoftechnicalcharacteristics，geographicalenvironmentandweatherconditions，andintroducedthedetailfunctionsofmaincomposition，thenestablishedthemathematicalmodelsofthereside

7、ntialmicro一鲥d，whichconsistsmodelsofwindturbine(WT)，photovoltaicarray(PV)，batterystorage(BAT)，microturbine(MT)，andelectricvehicle(EV)．(2)Aimingatlocalclimateconditions，thedistributedenergydatawereprocessed．BaSedonprioritymodeofdistributedpowersourcesandsystemoperationmode，fourtypicalco

8、ntrol