第47卷第2期电网技术Vol.47No.22023年2月PowerSystemTechnologyFeb.2023文章编号：1000-3673（2023）02-0645-13中图分类号：TM721文献标志码：A学科代码：470·40考虑复杂振动区特性的梯级水火电低碳机组组合模型与算法研究谢敏1,2，何润泉1,2，刘明波1,2，何知纯1,2，赵翔宇3，代江3（1．华南理工大学电力学院，广东省广州市510640；2．华南理工大学广东省绿色能源技术重点实验室，广东省广州市510640；3．贵州电网有限责任公司电力调度控制中心，贵州省贵阳市550002）ResearchontheModelandAlgorithmfortheHydro-thermalLow-carbonUnitCommitmentProblemConsideringForbiddenZoneConstraintsXIEMin1,2,HERunquan1,2,LIUMingbo1,2,HEZhichun1,2,ZHAOXiangyu3,DAIJiang3(1.SchoolofElectricPower,SouthChinaUniversityofTechnology,Guangzhou510640,GuangdongProvince,China;2.GuangdongKeyLaboratoryofCleanEnergyTechnology,SouthChinaUniversityofTechnology,Guangzhou510640,GuangdongProvince,China;3.PowerDispatchingControlCenterofGuizhouPowerGridCo.,Ltd.,Guiyang550002,GuizhouProvince,China)ABSTRACT:Thispaperpresentsahydro-thermalunitcommitmentmodelthatfullyconsiderstheinfluenceoftheforbiddenzoneandthelow-carbonoperationofthepowersystem.Furthermore,onthebasisofthemodel,acomputationallyefficientmixed-integerlinearprogramming(MILP)algorithmisestablished.First,inspiredbytherelationshipbetweentherootsofafunctionanditscoefficients,highdimensionalpolynomialfunctionsareusedtosimulatetheforbiddenzoneconstraintsofhydropowerplants.Meanwhile,coherentfunction(CF)isputforwardtouniformlyrepresentmultipleforbiddenzoneconstraintssimulatedbyhighdimensionalpolynomialfunctions.Then,byusinggroupsofstepfunctions,atransformationalgorithmisproposedtoapproximatethehighdimensionalnonlinearcoherentfunctionconstraints,whichtransformstheproblemintoamixed-integerlinearprogramming(MILP)problemandextremelyimprovesthesolveefficiency.Finally,theproposedmodelandalgorithmareverifiedbytheimprovedIEEE39nodesystemandapracticallarge-scalecase.KEYWORDS:hydrothermalpowersystem;forbiddenzone;mediumandlong-termlow-carbonunitcommitment;coherentfunction;transformalgorithm摘要...
