微电网典型供电模式及微电源优化配置研究

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1、浙江大学硕士学位论文Distributedgenerationpowersupplysystemcansaveresourcesandoperationcostsfor酣daswellasimprovetheefficiencyofusingrenewableenergy．Itisanimportantsupplementaryforlargepowergridinthefuture．However,distributedgenerationisalwayssubjecttotheenvironmentandgrid，andits

2、advantagesCannotbefullyshown．ThereforequiteafewscholarsputforwardtheconceptofMicro．鲥dtosolvetheproblem．Micro-酣disseenasacontrollableunitforlargepowergridanditCanhelpmakeuseoftherenewableresource．MeanwhileitCanimprovethereliabilityforcertainusersandbuildCCHPsystem．Ther

3、esearchonMicro一曲disatitsinfancyandthespecificwayforMicro．鲥dplanningsystemhasnotformedyet．Thetraditionaltheoryandplanningmethodofdistributionnetworkiscitedinthisthesis，andsomeappliedengineeringprojectsofMicro-鲥d，bothhomeandabroad，arestudied．ThedevelopmenttrendofMicro-g

4、ridispredicted，basedonwhichthegeneralstepsfortheplanningofpowersupplymodeisdesignedandputforward．Firmly，thetypicalstructurepatternofMicro-gridisraised，includingthedesignoftopologicalstructureofelectricalconnectionandtheAC／DCpowersupplymode，aswellasthesiteselectionofdi

5、stributedgeneration．ThreetypicalaspectsareconsideredincludingvoltageclassandaccesscapacityofMicro一咖d．Theadvantagesanddisadvantagesofallkindsofstructurepattemarecompared，andthepowersupplymodeofdistributednetworkcontainingMicro—gridisanalyzedaswell．Secondly，therenewable

6、resourcedistributioninChinaissummarized，includingwindenergy,solarenergy,hydropower,geothermalenergy,oceanenergyandotherresources．Basedontheresultofinvestigation，someplanningmethodsfordifferentdistributedgenerationsystemareraised．TheseMicro-gridsconsistofindependentpow

7、ersupplyMicro。grid，hybridMicro-gridcontainingwind，solaranddiesel，gasturbineMicro-grid，smallhydroelectricMicro-gridandothers．ThesemodelsareIII浙江大学硕士学位论文chosenaccordingtodifferentrenewableresourcedistributionanddifferentloadcharacterstosuitthedevelopmentoflocalarea．Fina

8、lly,theissueofcapacityoptimalcombinationforallthedistributedgenerationinaspecificMicro一酾disstudied．Thewaytofindthebestconfig