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Efficient Data Analysis with Modern Analytical System Developed for Use in Photovoltaic (PV) Monitoring System

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1 Author(s)
Kolodenny, W. ; SolarLab, Wroclaw Univ. of Technol.

Outdoor data acquisition systems (DAS) designed for long term monitoring of photovoltaic (PV) modules provide wide range of measurement conditions. Measured data contain modules' electrical parameters extracted from I-V curves and meteorological conditions occurring during measurements. Every year measurement volume of data systematically increases making analysis more complex and difficult. To cope with such large amount of data efficient database together with analytical tools is essential. This paper presents a set of analytic tools implemented with The SAS Institute Software (USA) as online analytical processing (OLAP) website. Data are available for analysis via SolarLab's website for authorized users. Software provides multidimensional data filtering, data visualization and different types of regression. Additionally, summarized data, like periodical energy gain or insolation, can be viewed and drilled down to single measurements. Efficient data integration and data warehouse tools enable efficient analysis of data measured in different laboratories. Internet web browser interface simplifies multilaboratory cooperation in data analysis and does not require any additional software to be installed

Published in:

Photonics and Microsystems, 2006 International Students and Young Scientists Workshop

Date of Conference:

June 30 2006-July 2 2006