High accuracy sun-tracking using CCD and field test for PV system

Jiunn Chi Wu, Wu Chun Lin

研究成果: 書貢獻/報告類型會議論文篇章同行評審

3 引文 斯高帕斯(Scopus)

摘要

Tracking photovoltaic (PV) and concentrator photovoltaic (CPV) can enhance electricity output by either single or two-axis sun-tracking. In addition to solar irradiation, tracking accuracy is fundamentally important to the performance of PV/CPV system. We developed a technique using the CCD apparatus for accurate sun-tracking and monitor its outdoor performance on a two-axis tracking PV system. The apparatus consists of a closed-loop solar tracker based on light sensor and 9 PV modules. The processing speed of the apparatus is upto 0.03 s which sufficient for operating in outdoor test (10-30 s is required). The view angle is 7.6° and angular resolution is 0.008° by using a lens of 50 mm (aperture F2.8). The outdoor test for sun-tracking is performed on a period of six days with sunny and cloudy weather and satisfactory results were obtained with 92% of the distribution of offset angles smaller than 0.3°.

原文???core.languages.en_GB???
主出版物標題9th International Conference on Concentrator Photovoltaic Systems, CPV 2013
編輯Kenji Araki, Frank Dimroth, Ignacio Anton
發行者American Institute of Physics Inc.
頁面214-217
頁數4
ISBN(電子)9780735411821
DOIs
出版狀態已出版 - 2013
事件9th International Conference on Concentrator Photovoltaic Systems, CPV 2013 - Miyazaki, Japan
持續時間: 15 4月 201317 4月 2013

出版系列

名字AIP Conference Proceedings
1556
ISSN(列印)0094-243X
ISSN(電子)1551-7616

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???event.eventtypes.event.conference???9th International Conference on Concentrator Photovoltaic Systems, CPV 2013
國家/地區Japan
城市Miyazaki
期間15/04/1317/04/13

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