Title: AC and DC monitoring of outdoor PV systems: comparison of eight different technologies
Publisher: WIP
Publication Year: 2015
JRC N°: JRC94899
ISBN: 3-936338-39-6
URI: http://www.eupvsec-proceedings.com/
DOI: 10.4229/EUPVSEC20152015-5BV.2.48
Type: Articles in periodicals and books
Abstract: Photovoltaic systems monitoring in outdoor operation and data analysis are crucial to understand their behaviour in real operation and to study the effects of several parameters such as irradiance, temperature and solar spectrum. Outdoor operation data is also important for the development of accurate models for the prediction of energy production. At the ESTI outdoor photovoltaic field, eight systems with different technologies have been installed between 2007 and 2010, with the purpose of long term field aging study and for the study of performance in real operating conditions. The installed systems include three silicon based technologies (standard polycrystalline silicon, heterojunction and back contact) and five thin film technologies (CdTe, CIGS, a-Si single junction, a-Si double junction and triple junction). All systems are connected to inverters and since late 2014 are monitored continuously in both their DC and AC parts; the temperature of each system is monitored by a pt100 sensor attached to the back of one module and irradiance is measured by a crystalline silicon reference cell.
JRC Directorate:Energy, Transport and Climate

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