中国电力 ›› 2015, Vol. 48 ›› Issue (9): 119-127.DOI: 10.11930.2015.9.119

• 新能源 • 上一篇    下一篇

非均匀光照强度的等效研究

孟昭军1,许晓彤1,吴峰2,王海潮3   

  1. 1. 国网电力科学研究院,江苏 南京 211100;
    2. 河海大学 能源与电气学院,江苏 南京 211100;3. 江苏省电力公司检修分公司徐州分部,江苏 徐州 221000
  • 收稿日期:2014-11-25 出版日期:2015-09-25 发布日期:2015-11-25
  • 作者简介:孟昭军(1973—),男,河南巩义人,博士,高级工程师,从事电力系统分析与控制方向的研究工作。E-mail: xybeck@hotmail.com
  • 基金资助:
    国家高技术研究发展计划(863计划)(2011AA05A105)

he Research on the Equivalence of Non-uniform Illumination Intensity

MENG Zhaojun1, XU Xiaotong1, WU Feng2, WANG Haichao3   

  1. 1. State Grid Electric Power Research Institute, Nanjing 211100, China;
    2. Energy and Electrical college, Hohai University,Nanjing 211100, China;
    3. Jiangsu Electric Power Maintenance Branch Company Xuzhou Division, Xuzhou 221000, China
  • Received:2014-11-25 Online:2015-09-25 Published:2015-11-25
  • Supported by:
    This work is supported by National High Technology Research and Development Program of China (863 Program) (No. 2011AA05A105).

摘要: 光伏电池的输出特性主要与外界环境因素有关,如环境温度、光照强度、阴影等。在实际应用中,光伏阵列经常会被外界因素部分或全部遮挡。在局部阴影的光照条件下,光伏阵列的输出特性将更加复杂,并将影响最大输出功率。因此,研究分析非均匀光照强度对光伏阵列输出特性的影响是非常重要的。在研究分析非均匀光照强度带来的影响的基础上,提出了一种将非均匀光照强度等效为理想光照情况下的等效均匀输入光照强度的方法,使输入光照强度便于进行量化和比较,具有良好的工程应用前景。

关键词: 光伏电站, 非均匀光照强度, 等效均匀输入光照强度

Abstract: The performance of photovoltaic cell is affected by various factors including temperature, illumination intensity and shading. In practical applications, the PV arrays often get shadowed completely or partially by external factors. Under partially shaded conditions, the PV characteristics get more complex which will affect maximum output power. Therefore, it is very important to analyze the impacts of non-uniform illumination intensity on the output characteristics of PV array. Based on research of non-uniform illumination intensity, this paper proposes a method to convert non-uniform illumination intensity to equivalent uniform input illumination intensity. This method can make the input illumination intensity relatively easy to quantify and compare, which has good potential for engineering applications.

Key words: photovoltaic power station, the non-uniform illumination intensity, the equivalent uniform input illumination intensity

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