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http://dx.doi.org/10.5916/jkosme.2015.39.2.152

A Study on Effects of Partial Shading on PV System applied to the Offshore Plant  

Lee, Ji Young (Kenmha Naval Technology Co.)
Yang, Hyang Kweon (Kenmha Naval Technology Co.)
Oh, Jin Seok (Division of Marine Engineering, Korea Maritime and Ocean University)
Publication Information
Journal of Advanced Marine Engineering and Technology / v.39, no.2, 2015 , pp. 152-158 More about this Journal
Abstract
Unlike photovoltaic systems installed on land, photovoltaic systems applied to the offshore plant have the characteristic that is installed in a limited space. For single point mooring plant, it is advantageous in terms of a reliable power supply to be installed in different directions of photovoltaic panels, because it is not possible to identify the position of the sun by rotation of the plant itself. Differences of installation angle between photovoltaic panels make a difference of the intensity of radiation irradiated on each photovoltaic panel, and it brings loss of generation quantity due to the partial shading. In order to provide a photovoltaic system suitable for offshore plant, the modeling which contains multiple photovoltaic panels controlled by single controller is performed. Then, it was examined how the output characteristics of the photovoltaic system change about the difference of the intensity of radiation that varies depending on the altitude of the sun. Finally, through the simulation, a development model of the photovoltaic system which is suitable for offshore plant is suggested.
Keywords
Solar photovoltaic system; Photovoltaic modeling; Partial shading; Maximum power point; Offshore plant;
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Times Cited By KSCI : 1  (Citation Analysis)
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