PV Performance during Low Irradiance and Rainy Weather Conditions

摘要: With data made available by a photovoltaic (PV) test facility located on top of an office building the Utrecht University performance ten PV modules during time periods low irradiance and precipitation was analysed. Using values for direct Bird’s SPCTRAL2 model measured climatic conditions weather classification system designed in order to categorize make comparison between rainy non-rainy possible. Results show that induces blue shift solar spectrum increasing short-circuit current (ISC) (a-Si CdTe particular). Furthermore it is shown causes module temperature drop resulting increase open-circuit voltage (VOC) all modules. In terms ratio (PR) almost perform better under than conditions, but noted incorrect measurements most likely overestimate PR some investigated