Optimal sizing and energy scheduling of photovoltaic-battery systems under different tariff structures
不同电价结构下光伏电池系统的优化规模和能量调度
出版日期:2018
杂志名称:Renewable Energy卷号:129
期数:Complete
刊号:0960-1481
出版日期:2018
简介:Thispaperbuildsuponpreviousresearchtodevelopanewmixedintegerlinearprogram(MILP)foroptimalPV-batterysizingandenergyscheduling.Unlikepreviousformulations,theMILPoptimisesunderbothtime-of-use(TOU)anddemandtariffstructures.Optimisationisbasedonthehighestsystemnetpresentvalue(NPV).OneresidentialandonecommercialcustomerareusedascasestudiestocontrastoptimisationunderTOUanddemandtariffstructures.OptimalPV-batterysizingisnotfoundtobeaffectedbythetariffstructuresanalysed.OptimalsolutionsunderbothtariffspreferlargerPVsystemscoupledwithsmallbatterysystems.EnergyconsumptionfromthegridunderTOUtariffoptimisationreflectsascaledprofileoftheconsumer’senergydemandcurve.Peakconsumptionfromthegridisheavilyreducedunderdemandtariffoptimisationtodecreasetheassociateddemandcharge.Intheresidentialcasestudy,peakgridconsumptionoveroneyearisreducedfrom5.98?kWhto2.25?kWhunderdemandtariffoptimisation.Inthecommercialcasestudy,peakgridconsumptionoveroneyearisreducedfrom450.3?kWhto348.6?kWh.Thereductionofpeakgridconsumptionisachievedbyusingthestoredenergyinthebattery.