PARTIALLY SHADED OPERATION OF A GRID-TIED PV SYSTEM

被引：0
|
作者：
Deline, Chris [1 ]
机构：
[1] Natl Renewable Energy Lab, Golden, CO USA
来源：
2009 34TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE, VOLS 1-3 | 2009年
关键词：
ARRAYS; CONFIGURATIONS; PERFORMANCE; MODULE; CELLS;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Partial shading of a PV installation has a disproportionate impact on its power production. This paper presents background and experimental results from a single string grid-tied PV system, operated under a variety of shading conditions. In this configuration a shadow can represent a reduction in power over 30 times its physical size. Results are presented relating size and positions of shading to power reduction of the PV system. A simulation method is also described that provides an accurate description of shade based on a single site survey. This process can provide the basis for an accurate simulation of power reduction in a partially shaded PV system.
引用
收藏
页码：451 / 456
页数：6
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