he Research on the Equivalence of Non-uniform Illumination Intensity

doi:10.11930/j.issn.10.11930.2015.9.119

journal1 ›› 2015, Vol. 48 ›› Issue (9): 119-127.DOI: 10.11930/j.issn.10.11930.2015.9.119

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he Research on the Equivalence of Non-uniform Illumination Intensity

MENG Zhaojun¹, XU Xiaotong¹, WU Feng², WANG Haichao³

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:2015-11-25 Published:2015-09-25
Supported by:
This work is supported by National High Technology Research and Development Program of China (863 Program) (No. 2011AA05A105).

Abstract

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

CLC Number:

TM615

MENG Zhaojun, XU Xiaotong, WU Feng, WANG Haichao. he Research on the Equivalence of Non-uniform Illumination Intensity[J]. journal1, 2015, 48(9): 119-127.

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