研究目的
To study the aspects of integration of the photovoltaic converters in the electric vehicle design and the problems associated with the transmission of electricity from photovoltaic converters to high-voltage batteries in order to increase the mileage of electric vehicles.
研究成果
The prototype of an electric vehicle with a PHV system showed that it is possible to obtain up to 300 Wh from the area of 1.83 m2, which can charge the vehicle during parking and be an additional source of energy. The increase in mileage due to the use of the system of photovoltaic converters was 5.03% in the mixed driving cycle and 9.1% in the city driving cycle.
研究不足
The effect of mileage increase depends on traffic intensity and the efficiency of photovoltaic converters, which currently reaches 20–22%. The increase in mileage is reduced with increased traffic dynamics.
1：Experimental Design and Method Selection:
The methodology included the development of a mathematical model of motion and the method of calculating the traction-dynamic characteristics of the vehicle with additional power sources based on PHV, schematic diagrams, and design documentation for the systems.
2：Sample Selection and Data Sources:
PHV elements with the most similar characteristics for battery manufacture were tested and selected.
3：List of Experimental Equipment and Materials:
The aggregate base included the battery of photovoltaic converters, the MPPT controller, the buffer storage device, and the DC converter.
4：Experimental Procedures and Operational Workflow:
The electric vehicle was tested at the FSUE 'NAMI' auto track on a dynamometer road and on the stand dynamometer drum in the laboratory.
5：Data Analysis Methods:
The results of computational experiments were analyzed to determine the increase in mileage due to the use of photovoltaic cells.
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