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ID:4322191
大小:5.26 MB
页数:45页
时间:2017-11-30
《光伏水泵系统设计毕业设计(论文)》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、摘要Ⅰ毕业设计(论文)题目光伏水泵系统设计IV摘要Ⅰ摘要地球环境由于燃烧大量矿物能源已经产生了明显的变化,人类的生存环境正在逐渐恶化。减少传统能源的消耗、减少温室气体的排放和保护环境已经迫在眉睫。太阳能是一种无污染、有极强的经济性的新能源。由于太阳能能有效的解决资源和环境问题,其应用和普及越来越受到人们的重视。光伏水泵技术是太阳能技术的一部分,由于其清洁无污染,不消耗燃料的特点,在人民生活供水和干旱地区农田灌溉方面有广阔的应用前景。光伏水泵系统是直接利用太阳电池光生伏特效应发电,通过光伏阵列、控制器、电机、水泵等控制及执行环节来提水的系统。本文论文的主要工作如下:(1)了解光伏发电的基本
2、原理,分析光伏水泵系统的原理与特性(2)对光伏阵列进行建模与分析(3)对最大功率跟踪方法进行详细的叙述,判断其优缺点,并利用MATLAB进行建模与仿真(4)对光伏水泵系统进行分析和选型(5)研究无刷直流电机的PWM控制、预定位起动方式。关键词:光伏水泵系统最大功率跟踪无刷直流电机脉冲宽度调制(PWM)IVAbstractⅡIVAbstractⅡThedesignofsolarPhotovoltaicpumpsystemAbstractDuetotheburningoffossilenergy,theearth'senvironmenthasproducedsignificantchang
3、es.Theenvironmentofhumanbeingisgraduallydeteriorated.Reducingtraditionenergyconsumption,greenhousegasemissionsandprotectingtheenvironmenthavebeenimminent.Solarenergyisakindofnewenergywhichhascharacteristicofnopollutionandeconomy.Becauseofsolarpowercaneffectivelysolvetheproblemofresourcesandenviro
4、nment,peoplemoreandmoregettheattentionoftheirapplicationandpopularize.Photovoltaicpumptechnologyisapartofthesolartechnology.Owingtothefeatureofnopollutionandnofuelconsumption.Solarphotovoltaicpumpsystemhasbroadapplicationprospectsinthefieldofpeople'slifeforirrigationwateranddryareas.Thephotovolta
5、icpumpsystemusesphotovoltaicpanelswhichproduceelectricitydirectlyfromsunlightusingsiliconceilanddrivethepumpthroughaseriesofnewtechnologiessuchasphotovoltaicarray,controlunits,electronics,motorsanddifferentmoderndevicestobringupthewater.ThistopicresearchofphotovoltaicpumpsystemdrovebyBrushlessDir
6、ectCurrentMotor(BLDC).Themaincontentinthispaperis:(1)Learningthebasicprinciplesofphotovoltaicenergygeneration.Analys-ingtheprinciplesandthecharacteristicsofphotovoltaicpumpsystem.IVAbstractⅡ(2)Modelingandanalysingthecharacteristicsforphotovoltaicarray.(3)Accountingofthemaximumpowerpointtrackingin
7、detailandjudgingtheir'sadvantagesanddisadvantages.UsingMATLABsoftwaretomodelingandsimulation.(4)Analysisandselectionthephotovoltaicwaterpumpsystem(5)StudyingthebrushlessdcmotorPWMcontrolandPre-settingstartingThekeyword
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