基于角色自律分散控制的微电网运行优化策略-研究

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1、AbstractThemicrogrideconomicbenefitsisthemainreasonformicro—gridtoattractinvestmentandpromoteinelectricalpowersystem．Butthemicro-舒deconomicoptimizationoperationisthemainwaytoachievethisgoal，SOitisofgreatimportantsignificanceforitsresearch．Atpresentitsresearchmainfocusesonstaticoptimalmo

2、delregardlessofstorageoptimizationoperation．However,therealesomelimitationsforittooverallanalyzetheeconomicoperationofmicro．鲥d．Therefore，thisthesisresearchedonmicro‘grideconomicoperationwithconsideringthebatteryoperatingcostswhenitinislandoperationmodeandgridconnectedoperationmode．Thema

3、incontentwasshownbelow．Firstly,analyzedthedevelopmentofmicro一面denergymanagementandoptimizationstrategy,themicro．gridstructurebasedonroleautonomousdecentralizedcontrol，aswellasmeP．QcontrolstrategyandV-fcontrolstrategy；analyzedandsimulatedthequasi．steady-statemathematicalmodelofmicropower

4、source；builtandsimulatedthebatterycharginganddischargingmodelandbatterylifecalculationmodel，Secondly,foroptimaloperationproblemsofmicro·咖dbasedonroleautonomousdecent—ralizedcontrolingrid-connectedmode，adynamiceconomicoptimizationmodelformicro．griduserswasestablishedwithfullconsideration

5、ofbatterycyclelife，powergenerationcostsandTOU．Then,dynamicprogrammingoptimizationmethodWasusedtosolvethemodel．Finally,foritsenergyoptimizationoperationprobleminislandoperationmode,amultiobjecteconomicoptimizationschedulingmodelwasbuilt，whichcontainedeconomicoptimizationandenvironmentalo

6、ptimization．Then，improvedchaoticparticleswarmalgorithmwasusedtosolvedtheoptmizationmodel．Thesimulationresultsshowedthat：thegrid-connectedeconomicoptimizationmodelofmicro．鲥dusercouldfullyoptimizetheoperationofstoragebatteryanddistributedgenerationunitsandcouldmaximizetheeconomicbenefitso

7、fmicrogridusers；theisolateeconomicoptimizationmodelofcoordinationsystemcouldfullyoptimizebatteryoperation，andrationaluseoflinearweightingfactorenabledmicrogridstominimizeeconomiclossesinexchangeforthegreatestenvironmentalbenefit．Overall，theeffectivenessandpracticalsignificanceo