太阳能光伏发电论文.pdf

太阳能光伏发电论文太阳能光伏发电论文太阳能光伏发电系统的设计I太阳能光伏发电论文摘要太阳能发电作为一种典型的新能源发电方式具有可持续发展和绿色环保两大优势。在太阳能发电的众多课题中，三相并网型光伏发电具有更高的实用价值和研究意义。本文重点分析研究了三相并网型光伏发电系统，提出一套可行的硬件选型和电路设计方案，并最终通过MATLAB仿真验证了硬件系统设计的可行性。首先本文依次研究了三相并网光伏发电系统的光伏阵列模块、直流变换与最大功率点跟踪控制模块、逆变并网模块，其中又涉及到光电幕墙的选用，以及直流变换电路、最大功率点跟踪算法、逆变电路及其并网方式的对比选取。然后选定了三相并网光伏发电系统的结构方式，将各个模块选取的硬件整合，并配合外围电路和CPU控制回路的设计，完成了三相并网光伏发电系统模型的整体设计。最后对硬件系统在MATLABSIMULINK环境下经行仿真初探，它运用了先进空间矢量脉宽调制的技术，验证了本文设计的具体可操作性。关键词：光伏发电系统；最大功率点跟踪；三相逆变并网；仿真II太阳能光伏发电论文ThedesignofsolarphotovoltaicpowergenerationsystemAbstractAsakindoftypicalgeneratingnewenergyway,solarpowerhasthesustainabledevelopmentandgreenenvironmentalprotectiontwoadvantages.Manyofthesubjectsinsolarpower,three-phasegridtypephotovoltaicpowersystemhashigherpracticalvalueandsignificanceoftheresearch.Thispaperfocusonthestudyofthree-phasegridtypephotovoltaicpowersystem,andputsforwardafeasiblehardwareselectionandcircuitdesignproject.FinallythispaperverifiedthefeasibilityofhardwaresystemdesignbyMATLABsimulation.Firstlythispaperstudiedphotovoltaicarraymodule,DCtransformationandthemaximumpowerpointtracking(MPPT)controlmodule,invertergridmodulesofthesolarphotovoltaicpowergenerationsystemsinturn.Italsoinvolvesthecomparativeselectionofphotoelectriccurtainwall,DCtransformcircuit,maximumpowerpointtrackingalgorithmandACgridway.Thenitselectedthesolarphotovoltaicpowergenerationsystemsstructure,andintegratetheselecthardwarederivefromeachmodule，andcooperatewithperipheralcircuitandCPUcontrolcircuitdesigncompletedsolarphotovoltaicpowergenerationsystemsmodeloveralldesign.FinallyitdidsimulationforhardwaresysteminMATLABSIMULINKenvironment.It’susedtheadvancedspacevectorpulsewidthmodulation(SVPWM)technologythatverifiedthespecificdesigninthispaperismaneuverability.Keywords:Photovoltaicsystem;MPPT;Three-phaseinvertergrid;SimulationIII太阳能光伏发电论文目录摘要..................................................................................................................IIAbstract......................................................................