研究目的
Investigating the potential output power of moving photovoltaic (PV) installations and the impacts of the solar radiation level on the available output power of PV installations on top of moving objects.
研究成果
The study concludes that the curved shape of BEV and HEV roofs causes each PV cell to face the sun at different angles, leading to variations in solar radiation levels and impacting the output power and efficiency of MPPT algorithms. Fast changes in solar radiation levels during driving conditions further complicate the optimization of MPPT algorithms, suggesting that individual control of each PV cell may be necessary for optimal performance.
研究不足
The study is limited by the specific conditions under which the experiments were conducted, including the use of a single type of PV cell and the specific environmental conditions in Oulu, Finland. The curved shape of the vehicle's roof also introduces variability in solar radiation levels across PV cells.
1：Experimental Design and Method Selection:
The study focuses on the impact of solar radiation levels on PV installations on moving objects, specifically BEVs and HEVs. It uses a monocrystalline silicon PV cell for experiments and simulations.
2：Sample Selection and Data Sources:
A Toyota Prius was used as the experimental vehicle, with PV cells installed on its roof. Data on solar radiation levels and PV cell performance were collected under outdoor environmental conditions.
3：List of Experimental Equipment and Materials:
A monocrystalline silicon PV cell from Blue Chip Energy GmbH was used, along with a National Instruments (NI) USB-6009 data acquisition module for measurements.
4：Experimental Procedures and Operational Workflow:
The study measured the open-circuit voltage (Voc) and short-circuit current (Isc) of PV cells under different solar radiation levels and analyzed the performance of MPPT algorithms.
5：Data Analysis Methods:
The data was analyzed to understand the impact of solar radiation levels on PV cell output and MPPT algorithm efficiency, using linear fitting to calculate the rate of change of solar radiation.
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