期刊
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
卷 33, 期 -, 页码 412-426出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.rser.2014.01.070
关键词
Partial shading; Reconfigurable photovoltaic array; Electrical mismatch; Reconfiguration algorithm; TCT; Switching matrix; MPPT
资金
- MIUR [PON02_00355_3391233 2012-2014]
Non-uniform irradiance significantly decreases the power delivered by solar photovoltaic arrays. A promising technique for compensating these power losses relies on dynamically reconfiguring the electrical connections between photovoltaic modules. This paper presents the current state-of-the-art strategies for photovoltaic array reconfiguration in order to increase the power output under partial shading and mismatch conditions. The different approaches have been compared in terms of effectiveness of the control algorithms, monitored electrical and environmental variables, overall hardware complexity and specific features of each solution. Finally, the most challenging aspects of the reconfiguration strategy are identified and further discussed. (C) 2014 Elsevier Ltd. All rights reserved.
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