梯级水电站短期优化调度算法研究.docx

第39卷第12期2013年12月

第39卷第12期

2013年12月

水电站运行

梯级水电站短期优化调度算法研究

古家平1,马光文1,黄炜斌1,尤渺2(1.四川大学水利水电学院，四川成都610065;

2.国电大渡河流域水电开发有限公司，四川成都610041)

摘要：随着梯级水电站的不断投产，梯级水电站短期优化调度面临的多维性、多目标性、多约束性问题越来越突出。在分时上网电价的基础上，电网峰平谷段出力比约束需着重考虑。为此，以梯级发电收益最大为目标函数研究梯级水电站短期优化调度算法，提出定出力和POA结合算法，将峰平谷出力比离散，先求解定峰平谷出力的调度过程，再用POA优选短期最优调度解。实例验证表明，算法较好地解决了高维数、多约束条件下梯级短期优化调度问题，调度结果实用性、可操作性好。

关键词：短期优化调度；峰平谷出力比约束；分时电价；梯级水电站

AlgorithmStudyforShort-termOptimalOperationofCascadeHydropowerStations

GUJiaping1,MAGuangwen1,HUANGWeibin1,YOUMiao2

(1.CollegeofHydraulicHydroelectricEngineering,SichuanUniversity,Chengdu610065,Sichuan,China;

2.DaduRiverHydropowerDevelopmentCo,Ltd,Chengdu610041,Sichuan,China)

Abstract:Withthecontinuousputingintooperationofcascadehydropowerstations,theproblemswithmulti-dimensional,multi-objectiveandmulti-constraintcharacteristicsaremoreandmoreprominentintheshort-termoptimaloperationofcascadehydropowerstations.UndertheconditionofTOUpowerpricing,thepeak-normal-valleyoutputratioconstraintofpowergridshouldbeconsideredemphatically.Focusingonmaximizingthecascadegenerationprofitsthealgorithmforshort-termoptimaloperationofcascadehydropowerstationsisresearchedandthefixedoutputalgorithmisusedwiththecombinationofPOA,inwhich,afterthepeak-normal-valleyoutputratioisdispersed,thedispatchprocessisfirstlyfoundwhenkeepingoutputration,andthenthePOAisappliedtoselectthebestresult.Anapplicationexampleshowsthatthisalgorithmcaneffectivelysolvetheshort-termoptimaloperationofcascadehydropowerstationswithmulti-dimensionalandmulti-constraintconditions,andtheoperationresultsaregoodinpracticalityandoperability.

KeyWords:short-termoptimaloperation;peak-normal-valleyoutputratioconstraint;TOUpowerprice;cascadehydropowerstation

中图分类号：N945.15;TV697.12文献标识码：A文章编号：0559-9342(2013)12-006