风光储互补发电系统

南京师范大学毕业设计（论文）（2015届）题目：风光储互补发电系统优化配置算法研究学院：电气与自动化工程学院专业：电气工程及其自动化专业方向：电力系统及其自动化班级：211104D学号：21110335姓名：徐谷超指导教师：马刚职称：讲师填写日期：2015年5月18日电气与自动化工程学院制I摘要近年来，传统能源消耗的剧增以及全球变暖等问题受到全世界人们的广泛关注，愈来愈多的人将目光转向于可再生能源。风能、太阳能作为主要的可再生能源，已经具备高度的开发与利用水平。而两者所具有天然的互补性，使得风光储互补发电系统已经成为充分利用这两种可再生能源的重要途径，具有广阔的应用前景。风光储互补发电系统的容量配置对整个系统的性能有着直接的影响，是系统设计的关键内容之一。本文针对发电系统容量的优化配置问题进行研究，主要内容如下：(1)基于风光储互补发电系统的基本结构与原理，结合实际工程的简化需要，建立光伏发电、风能发电的发电量模型及蓄电池的能量模型，为系统容量的优化配置提供模型基础。(2)深入分析风光储互补发电系统的性能，提出了全面的系统评价体系。该评价体系包括负荷正常工作率、能量浪费率、系统能量波动率及综合成本四项指标，能够从系统可靠性、能源利用率等多方位评估风光储互补发电系统的性能。(3)建立风光储互补发电系统中各发电单元容量的基本优化配置方法。提出基于遗传优化算法及权重系数变化法相结合的优化配置算法，优化风光储互补发电系统中各发电单元的容量配置。(4)基于Matlab2012b软件的编程实现所提出的优化配置算法，以中国张家口地区的实际天气数据以及实际用电负荷设计算例，验证本文所提出优化配置方法的合理性。关键词：可再生能源，风光储互补发电系统，优化配置，遗传算法，多目标优化IIAbstractInrecentyears,morepeoplepayattentiontothedevelopmentandutilizationofrenewableenergyfortheproblemoftheincreasingoftraditionalenergyconsumptionandglobalwarming.Asthemainrenewableenergy,solarandwindenergyhavethehighdevelopmentandutilizationlevel.Wind-solar-batteryhybridpowersystemhasbecometheeffectiveapproachtotakingadvantageofthesetwokindsofrenewableenergybecauseoftheirnaturalcomplementarity,andthissystemhasbroadpotentialapplication.Capacityconfigurationofwind-solar-batteryhybridpowersystemhaseffecttothewholepowersystemdirectly,andisoneoftheimportantsegmentsforsystemdesign.Thispapercarriesonaninvestigationintotheoptimalconfigurationproblemofhybridpowersystemandthekeyresearchcontentsareasfollows:(1)Basedonthebasicstructureandtheoryofwind-solar-batteryhybridpowersystem,thispapertakesthesimplificationrequirementofpracticalengineeringintoaccountandestablishesthewindpowerenergymodel,PVpanelgenerationmodel,andbatteryenergymodel,whichprovidesthefoundationtotheoptimalconfigurationcalculation.(2)Afteranalyzingthepropertyofwind-solar-batteryhybridpowersystem,thepaperputsforwardtheall-sidedevaluationsystem.Intheevaluationsystem,itcontainsNormalOperationofPowerLoadProbability,LossofEnergyProbability,systemenergyfluctuationrateandcomprehensivecost,soitcanassesstheperformanceofhybridpowersystemcomprehensively,suchassystemreliability,energyutilizationratio.(3)Thispaperestablishesthebasicoptimalconfigurationmethodforwind-solar-batteryhybridpowersystemandputsforwardoptimalconfigurationalgorithmbasedongeneticalgorithmandweightcoefficientmethod.Asaresult,thecapacityofgenerationunitinhybridpowersystemcanbeoptimized.(4)BasedonthesoftwareMatlab2012b,thispaperrealizestheproposedoptimalconfigurationmethod,andverifiesrationalityoftheoptimalconfigurationmethodproposedinthispaperbyanalyzingtheexamplebasedontheweatherdatainZhangjiakouandactualpowerloaddata.Keywords:RenewableEnergySource,Wind-Solar-BatteryHybridPowerSystem,OptimalConfiguration,GeneticAlgorithm,Multi-objectiveOptimization.III目录摘要............................................................................................................................................IAbstract...................................................................................................................................II1.绪论.....................................................................................................................................11.1课题研究的背景及意义..............................................................................................11.2研究现状及存在的问题..............................................................................................21.2.1风能发电与光伏发电的研究现状....................................................................21.2.2风光储互补发电系统配置的研究现状............................................................31.2.3目前存在的问题................................................................................................41.3论文主要研究内容......................................................................................................52.风光储互补发电系统的电源模型.............................................................................62.1引言..............................................................................................................................62.2风光储互补发电系统的基本原理..............................................................................62.3光伏发电模型..............................................................................................................72.3.1光伏电池的基本原理........................................................................................72.3.2光伏电池板的发电量计算................................................................................82.4风能发电的模型..........................................................................................................92.4.1典型风速模型建立............................................................................................92.4.2风力发电的输出电量计算..............................................................................112.5蓄电池能量模型........................................................................................................122.5.1蓄电池容量的计算..........................................................................................122.5.2不同状态下蓄电池的电量计算...................