分布式电源及微电网技术探讨

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1、ABSTRACTWiththerapidgrowthofelectricitydemand，distributedgenerationtechnologiescausedwidespreadconcern．Flexiblepositionanddecentralizeddistributionofdistributedpowerwelladaptedtotheneedsofdistributedgenerationandresourceallocation，coulddelaytheupgradeoftransmissionanddist

2、ributionnetworks，alsocouldimprovethereliabilityofpowersupply．Thereweremanyadvantagessuchasflexibleinstallationlocation，lesspollutionandenergysaving．Althoughthedistributedpowerandmicro—gridapplicationshasmadesomeachievements，butitwasstillnotperfectinthemicro—griddesignspec

3、ifications，thereliabilityoftheprotectioncontrol，andeffectivenessincontrollingthepracticalapplication．Thispapermainlydiscussthedistributedpowerandmicro-gridtechnologies，maincontentsareasfollows：(1)Inexplainingtheconceptofdistributedpowerandmicro-咖d，describesthedevelopmento

4、fmicro—gridhomeandabroad，analyzestheexistingproblemsinthedevelopmentofdistributedpowerandmicro一鲥d．)Thispaperanalyzesthreemostwidelydistributedpower(iesolarpower，windpowerandmicrogasturbinepowergeneration)，andcomparestheadvantagesanddisadvantagesofthesetypesofdistributedpo

5、wer．(3)Thispaperintroducesthestoragetechnologyofmicro一鲥d(includingbatteryclassenergystorage，flywheelenergystorage，superconductingmagneticenergystorage，super．capacitorenergystorage)．Thepaperanalyzestheprincipleofwork，theapplicableoccasions，andtheadvantagesanddisadvantages．

6、(4)Thispaperdescribesthemicro-研dcontrolstrategiesandprotectiontechnology．Thispaperanalyzesthecharacteristicsofthethreecontrolstrategiesbycomparingthedistributedpowercontrolstrategy，givestheirapplicationofoccasions．Forfaultfeatureandtechnicalrequirementsofmicro—grid，Thispa

7、pergivestherelevantmicro．鲥dprotectionmeasures．Ihisprovidesatheoreticalbasisfortheapplicationofmicro—gridtechnologiestofurtherexpand(5)Thepapergivestwopracticalapplicationcasesofmicro-gridprojects，andshowsgoodprospectsofthepowerofdistributedmicro-gridtechnologies．Studyondi

8、stributedpowermicro-gridwillhavesomehelponthelatterdesignselection，technicalanalysisandoperation