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This paper assesses some of the issues influencing the determination of electrical characteristics of crystalline silicon PV modules when measurements are made at non-standard test conditions. Procedures are described for the laboratory measurement of I-V characteristics and other electrical parameters. A field I-V curve measurement and analysis procedure is also detailed, which permits field verification of laboratory calibrations. A comparison of laboratory and field measurements on individual modules is given, in which extrapolation of field data corrects for deviations from standard test conditions (STC).

Additional information

Authors: LEBOEUF C, Alpha Real AG, Zürich (CH);OSSENBRINK H A, JRC Ispra (IT)
Bibliographic Reference: Paper presented: 23rd IEEE PV Specialists Conference, Las Vegas (US), Oct. 7-11, 1991
Availability: Available from (1) as Paper EN 36562 ORA
Record Number: 199210192 / Last updated on: 1994-12-02
Original language: en
Available languages: en