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A Research of the Off-Grid Photovoltaic Generation System Based on MPPT Control Strategy

Abstract

随着一次性传统能源日渐枯竭和环境污问题的不断加剧,新能源的研究和利用不断受到国内外的重视,太阳能等新能源利用技术成为世界研究的热点课题。光伏发电是一种利用太阳能的有效方法,已经成为世界各国竞相发展的领域。 但是目前的光伏电池转换效率不高、供电稳定性较差。由于光伏电池的伏安特性是非线性的,为了充分利用太阳能,有必要对光伏电池进行最大功率跟踪。 论文首先介绍了课题的研究背景和意义,概述了目前国内外的光伏发电技术和应用发展情况;对文献已有的光伏电池数学工程建模的理论依据进行准确的分析和补充,改进了学术上已有的模型,提高了精度。在数学模型的基础上,采用Matlab/Simulink仿真软件进行模型...With the deepening of the traditional one-time energy exhaustion and the environmental pollution,much more attention was paid to the research and application of the new energy both at home and abroad. Such as the solar energy technologies,has become a hot topic in more and more countries.As an effective way of using solar energy,the application of the photovoltaic technologies has become a new fie...学位:理学硕士院系专业:物理与机电工程学院物理学系_无线电物理学号:1982007115229

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