The Optimal Configuration of Photovoltaic Module Arrays Based on Adaptive Switching Controls

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Please use this identifier to cite or link to this item: http://ir.lib.ncut.edu.tw/handle/987654321/5869

Title:	The Optimal Configuration of Photovoltaic Module Arrays Based on Adaptive Switching Controls
Authors:	Kuei-Hsiang Chao, Pei-Lun Lai, Bo-Jyun Liao
Contributors:	圖書館
Keywords:	Optimal configuration Photovoltaic module arrays Particle swarm optimization Maximum power point tracker Shading or malfunctions
Date:	2015-08
Issue Date:	2016-10-17
Abstract:	This study proposes a strategy for determining the optimal configuration of photovoltaic (PV) module arrays in shading or malfunction conditions. This strategy was based on particle swarm optimization (PSO). If shading or malfunctions of the photovoltaic module array occur, the module array immediately undergoes adaptive reconfiguration to increase the power output of the PV power generation system. First, the maximal power generated at various irradiation levels and temperatures was recorded during normal array operation. Subsequently, the irradiation level and module temperature, regardless of operating conditions, were used to recall the maximal power previously recorded. This previous maximum was compared with the maximal power value obtained using the maximum power point tracker to assess whether the PV module array was experiencing shading or malfunctions. After determining that the array was experiencing shading or malfunctions, PSO was used to identify the optimal module array connection scheme in abnormal conditions, and connection switches were used to implement optimal array reconfiguration. Finally, experiments were conducted to assess the strategy for identifying the optimal reconfiguration of a PV module array in the event of shading or malfunctions.
Relation:	Energy Conversion and Management
Appears in Collections:	[Department of Electrical Engineering] 【電機工程系所】期刊論文

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