计及随机性的微电网多目标经济运行研究

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1、AbstractMicrogridisasmallpowerdistributionsystemconsistingofdistributedpowersources，loads，energystoragedevices，energyconversiondevices，monitoringandprotectiondevices，itisanautonomoussystemwiththeabilitytoachieveself-control，managementandprotection，regardedasoneofthekeytechnologie

2、softhesmartgrid．Developmentofmicrogridcanimprovetheutilizationofrenewableenergyandthereliabilityofpowersupply．However，duetothediversityofmicrogridoperationstateandtheuncertaintyoftheoutputofthedistributedgeneration，itisdifficulttocarryoutoptimalenergymanagement．Inordertogetareaso

3、nablesolutiontothisproblem，themathematicalmodelsofcommonlyusedcomponentsandcombinedheatandpowerinmicrogridarepresentedinthispaper．basedontheresearchproject“KeyTechnologiesandDemonstrationoftheEffectiveandReliableMicrogridCommucityOperation”，theinfluencesfromsuchuncertainfactorsas

4、therandomnessoftheforecasterrorduringtheoperationofMicrogridaretakenintofurtherconsideration，andtheeconomicoperationmodelwithrandoravariablesinMicrogridisestablished．Intermsofsolvingthemodel，differentmethodsareappliedaccordingtothespecificcharacteristicsoftheproblem．Themainworkof

5、thispaperareasfollows：Thedeterministicmodelofeconomicoperationisestablishedinthispaper，withtwooperationtargetsincludingoperationcostandenvironmentcost，undertwooDerationmodes(grid．connectedorstand—alone)．Meanwhile，amethodtosolvethemulti．objectiveplanningproblemandtheoptimizational

6、gorithmduringtheoperationofmicrogridispresented．Accordingtothecharacteristicsofthedeterministicmodelofeconomicoperation，theParetoOptimalsolutionofthemodeliscalculatedinthispaper，andisverifiedthroughexamplessubsequently．Inordertodealwiththerandomnessintheoperationofmicrogrid，ameth

7、odapplyingthechanceconstrainedprogrammingtotheeconomicoperationmodelingofmicrogridispresentedinthispaper．Becauseoftheuncertainoftheoutputofthewindgeneration，PVsystemandloadforecast，theparametersoftheforecasterror1Sanalyzedandthedistributedfunctionsarepresented．Theeconomicoperatio

8、nmodelofmicrogridconsideringtherandomnes