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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52029

Title: A novel algorithm for single-axis maximum power generation sun trackers
Authors: Kung-Yen Lee
Chi-Yao Chung
Bin-Juine Huang
Ting-Jung Kuo
Huang-Wei Yang
Hung-Yen Cheng
Po-Chien Hsu
Kang Li
Contributors: 國立臺灣海洋大學:運輸科學系
Keywords: PV system
Electric energy production
Direct-search method
Date: 2017-10
Issue Date: 2019-01-16T06:54:15Z
Publisher: Energy Conversion and Management
Abstract: Abstract: The purpose of this study is to develop a novel algorithm for a single-axis maximum power generation sun tracker in order to identify the optimal stopping angle for generating the maximum amount of daily electric energy. First, the photovoltaic modules of the single-axis maximum power generation sun tracker are automatically rotated from 50° east to 50° west. During the rotation, the instantaneous power generated at different angles is recorded and compared, meaning that the optimal angle for generating the maximum power can be determined. Once the rotation (detection) is completed, the photovoltaic modules are then rotated to the resulting angle for generating the maximum power. The photovoltaic module is rotated once per hour in an attempt to detect the maximum irradiation and overcome the impact of environmental effects such as shading from cloud cover, other photovoltaic modules and surrounding buildings. Furthermore, the detection range is halved so as to reduce the energy consumption from the rotation operations and to improve the reliability of the sun tracker. The results indicate that electric energy production is increased by 3.4% in spring and autumn, 5.4% in summer, and 8.3% in winter, compared with that of the same sun tracker with three fixed angles of 50° east in the morning, 0° at noon and 50° west in the afternoon.
Relation: 149 pp.543-552
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52029
Appears in Collections:[運輸科學系] 期刊論文

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