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[24] XIONGH L,EGUSQUIZAM,OSTERGAARDPA,etal.Multi - objectiveoptimizationofahydro - wind - photo
voltaicpowercomplementaryplantwithavibrationavoidancestrategy [J].AppliedEnergy,2021,301:117459.
Operationaleconomicevaluationofhydro - wind - photovoltaicpowergeneration
system consideringthevibrationavoidancestrategy
CHENDiyi,ZHANGMeng,LIUYong,ZHAOPengchong,ZHAOZiwen,HEMengjiao
(CollegeofWaterResources&ArchitecturalEngineeringNorthwestA&FUniversity,Yangling 712100,China)
Abstract:Inordertoevaluatetheeconomicperformanceofhydropowerunitsmorecomprehensivelyandaccurately
inthewind - solar - waterhybridpowergenerationsystem,inthispaperthelifelosscostofhydropowerunitsisin
cludedintothesystem operatingcost,andaneconomicevaluationmodelofthetargetsolar - hydrohybridpower
generationsystemisestablishedwiththegoalofminimumsystemoperatingcost ,maximumpowergeneration,and
minimumpowerloaddeviation.Fullyconsideringthedifferencesintheoperationstrategiesofhydropowerunits,the
systemeconomiccharacteristicsandunitoperationcharacteristicsoftheunitsundervibrationisolationandnon - vibra
tionisolationoperationarecompared.ThemodelissolvedbasedontheNSGA - Ⅱ intelligentoptimizationalgo
rithm ,andtheeconomicsofsystemoperationunderatypicalwindandsolaroutputscenarioareanalyzedbytaking
acleanenergybaseinChinaasanexample.Theresearchresultsshowthat ,comparedwiththeoperationofhydro
powerunitswithoutvibrationavoidance,thehydro - wind - solarhybridsystemadoptingthevibration - avoidanceop
erationmodereducestheaveragevalueofpowergenerationandpower - loaddeviationby0.09% (0.02GWh)and
2.10% (1.89MW)respectively,buttheaveragesystemoperatingcostdecreasedby0.24% (RMB17,100yuan).
Onthewhole ,inthecaseofnosignificantincreaseinpowergeneration,althoughtheperformanceofthenon - vi
bration - proofoperationmodeissuperiorintermsofpowerandloaddeviation,theoperatingcostduetothefatigue
lossoftheunitincreasessignificantly ,andthesafetyproblemoftheunitisprominent,anditscomprehensiveeco
nomicperformanceisnotasgoodasvibration - proofoperation.Thisresearchhascertainguidingsignificanceforop
timizingtheoperationmodeofhydropowerunitsinthehydro - windhybridsystemandimprovingtheoveralleconom
icbenefitsofthehybridpowergenerationsystem.
Keywords:hydro - wind - photovoltaiccomplementarypowergenerationsystem;economicevaluation;vibration
avoidancestrategy ;non - dominantgeneticalgorithm
(责任编辑:王 婧)
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