Power rating of photovoltaic modules from outdoor measurements

Author

Knaupp, Werner

Author_Institution

Zentrum fuer Sonnenenergie- und Wasserstoff-Forschung, Stuttgart, Germany

fYear

1991

fDate

7-11 Oct 1991

Firstpage

620

Abstract

Power rating of PV (photovoltaic) modules is realized at standard test conditions (1000 W/m² total irradiance, AM 1.5 spectral distribution in the plane of module, and 25°C cell temperature). Design, monitoring, and check of specifications of PV modules and systems require prediction of module characteristics (maximum power, efficiency, V_mpp, V_oc, and I _sc) under various conditions. A procedure for transformation of outdoor measurements or data sheet specifications of crystalline silicon modules to other conditions is proposed. With this procedure, improvement of power rating can be achieved through accurate checks of outdoor measurements, comparisons of different module measurements, and predictions of power output under various conditions

Keywords

elemental semiconductors; power measurement; silicon; solar cell arrays; AM 1.5 spectral distribution; Si; crystalline silicon modules; outdoor measurements; photovoltaic modules; power rating; standard test conditions; Condition monitoring; Crystallization; Photovoltaic systems; Power measurement; Silicon; Solar power generation; Temperature distribution; Temperature measurement; Temperature sensors; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Photovoltaic Specialists Conference, 1991., Conference Record of the Twenty Second IEEE

Conference_Location

Las Vegas, NV

Print_ISBN

0-87942-636-5

Type

conf

DOI

10.1109/PVSC.1991.169285

Filename

169285