Abstract
Analysis of voltage–current behavior of photovoltaic modules is a critical part of their modeling. Parameter identification of these models demands data from them, measured in realistic environments. In spite of advancement in modeling methodologies under solar lighting, few analyses have been focused on indoor photovoltaics. Lack of accurate and reproducible data as a major challenge in this field is addressed here. A high accuracy measurement setup for evaluation and analysis of indoor photovoltaic modules is explained. By use of this system, different modules are measured under diverse environmental conditions. These measurements are structured in data-sets that can be used for either analysis of physical environment effects and modeling or development of specific parameter identification methods in low light intensity conditions.
Highlights
Photovoltaic (PV) systems under solar lighting have a long history dating back to the 18th century [1]
Long-term research has led to the maturity of this type of energy harvesting with different fields of application [2]: from power production and heating [3] to outer space energy supply [4]
Artificial lighting is dominant while temperature is much more limited compared to the outdoor environment
Summary
Photovoltaic (PV) systems under solar lighting have a long history dating back to the 18th century [1]. Some embedded devices are being used outdoors under solar light, others are restricted to indoor conditions Some examples such as in [9] even take these conditions to an extreme by use of PV harvesting in environments with low light intensity such as a warehouse [10,11]. This work addresses this issue by providing multiple data-sets collected in a controlled environment, and presents a setup for collection of this type of data These data can be used for analysis of the indoor PV in different environmental conditions and for the evolvement of methodologies from solar energy to adapt to the indoor conditions as well. In addition to this paper, data-sets can be accessed publicly from [18]
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