含风力发电的电力系统经济调度

学号：常州大学毕业论文（2012届）题目含风力发电的电力系统经济调度学生学院专业班级校内指导教师专业技术职务校外指导教师专业技术职务二零一二年五月I含风力发电的电力系统经济调度摘要：随着煤、石油、天然气储量的日益减少和二氧化碳等温室气体的不断增加。全球气候变暖，海平面上升。新能源的利用越来越受到人们的重视，风能作为一种干净的、储量极为丰富的可再生能源，是新能源领域中最重要、开发前景最好的能源之一。由于风能的随机性，风力发电使得电力系统调度的不确定性因素增加，对电力系统经济调度提出了新的要求。根据火电厂和并网风力发电机组经济调度的特点，建立含风力发电的电力系统经济调度模型。并采用混合整数规划法来解决含风力发电的经济调度问题。通过算例可知，风电的加入减小了系统运行的燃料成本，改变了常规火电机组的启停和出力。本文充分利用了风电清洁可再生的特点，减少的高能耗火电机组的启停，达到节能减排的目标，实现低碳生活。关键词：电力系统；风力发电；混合整数规划法IIEconomicDispatchingofPowerSystemincludingWindPowerGenerationAbstract：Withincreasingofcoal，oilandnaturalgasreservesdwindlingandcarbondioxideandothergreenhousegases．Globalwarmingcausessealevelsrising.Theuseofnewenergyisreceivingmoreattention．Windenergyasakindofclean，abundantreservesrenewableenergyisthemostimportantenergyofnewenergysource.Duetotherandomnessofwindenergy,theuseofwindpowerwillincreasetheuncertainfactorsofthepowersystemdispatching,andnewdemandsoftheeconomicdispatchingofthepowersystemshouldberaised.Accordingtothecharacteristicsofeconomicdispatchingofthermalplantsandwindpower,andestablishedeconomicdispatchingmodelofpowersystemincludewindpower.Themixedintegerprogrammingapproachtheoryisused,whichaimstosolvetheproblemsbetweenthewindpowerunitsandthermalunits.Examplesindicatethatthecombinationofwindandthermalpowerwillreducethefuelcostoftherunningsystem,theconventionalunits’statusofonandoffandtheiroutputsarealsoaffected.Inthisarticle,thecleanandrenewablecharacteristicsofwindpowerisfullyused,reducedthethermalunits’statusofonandoff.Itcanachieveemissions-reductiontargets,andlowcarbonlifewillcometrue.Keywords：powersystem,windpowergeneration,mixedintegerprogrammingapproachIII目录摘要...................................................................................................................................................IAbstract............................................................................................................................................II目录.................................................................................................................................................III1引言...............................................................................................................................................11.1课题研究背景及意义................................................................................................................11.1.1研究背景.................................................................................................................................11.1.2研究意义..................................................................................................................................11.2风力发电现状和发展趋势........................................................................................................21.2.1全球风电的发展现状.............................................................................................................21.2.2国内风能发展现状..................................................................................................................31.2.3风力发电的发展趋势..............................................................................................................41.3本文的主要工作.........................................................................................................................72含风力发电的电力系统经济调度................................................................................................82.1风电的优势和局限性................................................................................................................82.2风电并网对电力系统的影响....................................................................................................92.2.1风电并网对电网电压的影响.................................................................................................92.2.2风电并网对电力系统暂态稳定性的影响.............................................................................92.3传统火电机组优化调度模型...................................................................................................102.3考虑风电的电力系统经济调度模型.......................................................................................112.3.1设计思路...............................................................................................................................112.3.2目标函数...............................................................................................................................122.3.3约束条件................................................................................................................................123电力系统经济调度算法..............................................................................................................143.1优化问题及其分类..................................................................................................................143.2优化问题解决方法...................................................................................................................163.2.1优化算法目前的发展状况....................................................................................................163.2.2启发式方法......................................