Performance stabilization of CdTe PV modules using bias and light
| Autor: | S. R. Kurtz, Timothy J. Silverman, Michael G. Deceglie, Bill Marion |
|---|---|
| Rok vydání: | 2014 |
| Předmět: |
Materials science
business.industry Photovoltaic system Standard test condition Interval (mathematics) Condensed Matter Physics Solar energy Cadmium telluride photovoltaics Electronic Optical and Magnetic Materials Optoelectronics Performance measurement Transient (oscillation) Electrical and Electronic Engineering business Light exposure |
| Zdroj: | 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC). |
| DOI: | 10.1109/pvsc.2014.6924904 |
| Popis: | Reversible performance changes due to light exposure frustrate repeatable performance measurements on CdTe photovoltaic modules. It is common to use extended light exposure to ensure that measurements are representative of outdoor performance. We quantify the extent to which such a light-exposed state depends on module temperature and consider bias in the dark to aid in stabilization. We evaluate the use of dark forward bias to bring about a performance state equivalent to that obtained with light exposure, and to maintain a light-exposed state prior to standard test condition (STC) performance measurement. Our results indicate that the most promising method for measuring a light-exposed state is to use light exposure at controlled temperature followed by prompt STC measurement with a repeatable time interval between exposure and the STC measurement. |
| Databáze: | OpenAIRE |
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