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Jena 2013 – wissenschaftliches Programm

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UP: Fachverband Umweltphysik

UP 4: Postersession

UP 4.1: Poster

Dienstag, 26. Februar 2013, 17:15–18:30, Poster EG

Measurements for PV-Module outdoor performance — •Jörg Bendfeld — Universität Paderborn, KET, Pohlweg 55, 33098 Paderborn

Reliability and energy yield are the main parameter of interest concerning PV modules. For this reason, long-term PV module tests are carried out to give site-specific reports about the module performance. Unlike laboratory measurements long-term outdoor measurements are not repeatable. But those measurements are the best way to compare the energy yields of different module types under varying weather conditions. In the interests of customers and of the industry, PV laboratories perform long-term outdoor tests. Performing PV outdoor tests should last over a period of at least one year. The equipment for basic energy yield measurements records at least ambient temperature, module temperature, and irradiance in the module plane (plane of array); current and voltage measurements are taken at the maximum power point (MPP). The recording time interval is 5 seconds. This is a compromise between precision and applicability. The ambient weather data and the condition data for any module have to be collected and evaluated.

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