資源描述:
《基于動態(tài)優(yōu)化調(diào)度的微網(wǎng)經(jīng)濟(jì)分析》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、華北電力大學(xué)碩士學(xué)位論文AbstractAsanimportantpartofsrmrtgrid,Micro-gridisasmallgridcomposedofmicrosources,loadandcontrolsystem,whichisconnectedwithrmingridthroughpointofcommoncoupling,withtwo-wayflowcharacteristics.Microsourcesincludegeneratingunitsusingwindenergy,solarenergyandfossilfuel,andanenergystora
2、geelement,whichclosetotheload,accessflexibility,andcansolvetheproblemofpoorpermeabilityofdistributedpowersupplyeffectively.Basedontheanalysisofmicrosources,costmodelsaregot,andmathematicalmodelofeconomicschedulinginmicmgridisbuilt,inwhichruingfuelcostsofmicrosources,maintemnceandoperationcosts
3、,environmentalgovernancecosts,andelectricchargewithpowergridasmultipleobjectivefunction.Inaccordancewithresultofeconomicoperationofmicrosourcesandinteractivepowerwithmaingridbyoptimizationalgorithm,integratedbenefitevaluationisproceeded.Integratedbenefitevaluationofmicmgridisreflectedinthediff
4、erencebetweentheprofitwhethermicrogridiSusedornot.Comprehensivebenefitevaluationmodelisbuiltconsistingofuserpowercosts,constructioninvestmentofpowersupplyandpowergridandenvironmentoverheadexpenses.Inaddition,analytichierarchyprocessisusedtodeterminetheindexweightofthecostandbenefitanalysismode
5、lwhichmakestheresultmorepracticalIntheimplementationofeconomicschedulingofmicrogrid,dynamicalsystemstheoryanditsapplicationisfocusedon.BasedontheimproveddifferentialevolutionpE)algorithm,VCHprogrammingisusedtooptimizepowerdistributionofMicro—grideconomyoperation,andthealgorithmimplementationpr
6、ocessandtreatmentofcross-borderissuesisforfurtherelaboration.InthestudyofMicro-gridsystemcase.structuralmodeliSbuilt,andbasicdataaredefined.Basic.dataincludescurvesofloadintypicalday,locallyavailableresources,andtechnicalperformanceparametersofmicro.sources.Throughtheresearchofmicrogridsystenl
7、’t11esimulationoutcomeshowsthatthepromotionofmicrogridcanreducepowercosts,cutdownordelayconstructioninvestmentofpowersupplyandpowergridandimproveenvironmentallyfi'iendlydegree,asif,producefavorablecombinedrevenues,whichhavereferentialme