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Photovoltaic module is the key photo-electric conversion product in renewable energy field. To evaluate photovoltaic module electrical performance accurately, module performance ratio parameter is presented in this paper. On-site experiment for performance ratio is introduced and illustrated for performance ratio calculation and assessment of modules under natural outdoor condition. Compared with...
To evaluate measurement deviation of c-Si PV modules electrical performance among test laboratories in China, eight testing institutions participated in the interlaboratory comparison test of I-V characteristic measurement of c-Si PV modules. This paper reveals that a maximum ±2% deviation of short circuit current value between each laboratory measurement value and average value. Maximum power values...
This paper describes the development of a multifunctional data acquisition system for photovoltaic (PV) plants. The proposed system consists of a set of data collection boxes for measuring electrical parameters (e.g. DC current, DC voltage, AC current, AC voltage, AC power, etc.), a meteorological data collection system for measuring meteorological parameters (e.g. irradiance, ambient air temperature,...
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