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光伏并网逆变器最大功率点跟踪算法的研究
引用本文:张一驰,王紫婷,王勉. 光伏并网逆变器最大功率点跟踪算法的研究[J]. 电子测试, 2012, 0(8): 14-18
作者姓名:张一驰  王紫婷  王勉
作者单位:兰州交通大学电子与信息工程学院,甘肃兰州,730070
摘    要:
光伏并网发电系统是光伏发电系统的发展趋势,而最大功率点跟踪技术是提高光伏发电效率的主要技术。本文在分析和研究了3种常用最大功率点跟踪方法优缺点的基础上,提出了一种集这3种常用方法优点的新方法,即综合优化法。在太阳能光伏转换系统中,通过具体实验比较了较大步长的扰动观察法,恒电压法和导纳增量法,还有本文中提出的综合优化法,通过对改进算法的仿真,以及与其他算法的比较,说明了这种改进算法的正确性,验证了这种算法的可行性及优越性。

关 键 词:光伏并网  最大功率点跟踪  综合优化法

Research on the photovolatic inverter maximum power point tracking algorithm
Zhang Yichi,Wang Ziting,Wang Mian. Research on the photovolatic inverter maximum power point tracking algorithm[J]. Electronic Test, 2012, 0(8): 14-18
Authors:Zhang Yichi  Wang Ziting  Wang Mian
Affiliation:(School of Electronic and Information Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China)
Abstract:
Grid-connected PV systems is the development trend of photovoltaic power generation system,the maximum power point tracking technology is to improve the photovoltaic efficiency.In this parper,analysis and research on the basis of the three maximum power point tracking commonly used method advantages and disadvantages of an integrated optimization method.Solar photovoltaic conversion system,through specific experiments the larger step of the perturbation and observation method,constant voltage and admittance incremental method,the optimization method proposed in this paper,through simulation of the improved algorithm,as well as comparison with other algorithms,indicating the correctness of this improved algorithm to verify the feasibility and superiority of this algorithm.
Keywords:photovoltaic grid  maximum power point tracking  optimization method
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