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ID:34308384
大小:2.96 MB
页数:59页
时间:2019-03-04
《基于居民可控负荷的微电网电压响应策略研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、AbstractMicrogridisasmallautonomouspowerdistributionsystem,includingdistributedgeneration,energystoragedevicesandloads.Microgridtakestheadvantagesofdistributedgenerationwhileweakeningthenegativeeffectsofdistributedgenerationonthegrid,Microgridhastheadv
2、antageofhighpowersupplyreliability,flexibility,economyandenvironmentallyfriendly.However,themicrosourcesinmicrogridaresignificantlyinfluencedbynaturalconditions,resultingintheirrandom,intermittentanduncontrollableoutputpower·IteasilYcausesvoltagefluctu
3、ations,especiallyforthemicrogridthatisoperatedinisland·Therefore,microgridusuallyconsistsofacertaincapacityofenergystorageunttandreactivecompensationdevicetomaintainthesystemvoltagestability,whichresultsintheincreaseofpowergridconstructioncost.Resident
4、ialcontroilableloadssuchasthermostaticallycontrolledloads(TCL)arethermalenergystorageequipment,whichcanstoreenergyforseveralmmute8o。evenhoursandcansubstitutetraditionalenergystoragesystem·Inaddirion,comparedtotheresourcesingenerationside,Residentialloa
5、dsareextremelydecentralized,whichcanprovidereservetomakerapidresponseinJustafewminutesor1ess.Therefore,responsemadebyresidentialcontrollableloadsissignificanttoimprovethemicrogridoperatingcharacteristicsanditsVoItagestabilitvcontr01.Focusingonresidenti
6、alcontrollableloadsrespondingtothevoltagetoimprovethevoltagestabilityinmicrogrid,thispapermakesthemamcontributionswhicharelistedasfollowing:First.thispapersummarizestheconcept,basicstructureandcontroltechnologyofmicrogrid.Also,thecurrentstatusofmierogr
7、idhasbeenreviewedandtheapplicationstatusofresidentialcontrollableloadsinthemicrogridhasbeenconcluded.Second,thepaperresearchesthefeasibilityofresidentialcontrollableloadsmakingresponsetothemicrogridvoltageis.Then,basedontheaboveanalysis,controlstrategy
8、forresidentialcontrollableloadstorespondtothemicrogridvoltageisproposed。Throughthecontrolstrategy,residentialcontrollableloadsmakesresponsetothesystemrequirementactivelybychangingthetriggertemperatureofthecontrolsystem,providingmicrogri
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