Accurate performance rating of photovoltaic modules under outdoor test conditions
| Autor: | A. Schulze, D. Pflaum, L. Gottschalk, B. Hüttl, S. Schneider |
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| Rok vydání: | 2019 |
| Předmět: |
Renewable Energy
Sustainability and the Environment 020209 energy Photovoltaic system ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION Irradiance 02 engineering and technology 021001 nanoscience & nanotechnology Test (assessment) 0202 electrical engineering electronic engineering information engineering Calibration Measurement uncertainty Environmental science General Materials Science 0210 nano-technology Analysis method Performance rating Simulation |
| Zdroj: | Solar Energy. 177:737-745 |
| ISSN: | 0038-092X |
| DOI: | 10.1016/j.solener.2018.12.002 |
| Popis: | Outdoor performance analyses of photovoltaic modules can be advantageous compared to indoor investigations, as they take into account the influences of natural test conditions on the modules. However, such outdoor performance assessments usually suffer from poor accuracies due to undefined test conditions for the modules. This paper reports on a comprehensive concept for improved outdoor analysis which results in performance data with indoor laboratory precision. The approach delivers current-voltage characteristics for even more test conditions than required by the standard IEC 61853-1. Hence, curves of modules’ electrical parameters above irradiance can be deduced for any temperatures. The concept allows precise determination of temperature coefficients for user-defined irradiances taking into account outdoor effects like light-soaking or light-induced degradation. The calibration and measurement uncertainty of the presented outdoor analysis method is evaluated quantitatively. For the measurements an advanced outdoor set-up was used. |
| Databáze: | OpenAIRE |
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