研究目的
To propose a design scheme of electric bicycle photovoltaic charging pile based on new inverter, addressing the shortcomings of electric bicycle charging infrastructure and the single use of photovoltaic new energy generation.
研究成果
The simplified virtual space vector pulse width modulation algorithm effectively restrains the mid-point potential oscillation, is simpler and more convenient to understand, and occupies less control chip resources. The feasibility of the algorithm was proved through the analysis of simulation results.
研究不足
The study focuses on the simulation verification of the inverter using the proposed algorithm in the actual charging pile, but real-world application and performance under varying environmental conditions are not discussed.
1：Experimental Design and Method Selection:
The paper uses a simplified virtual space vector pulse width modulation inverter control scheme suitable for photovoltaic charging piles.
2：Sample Selection and Data Sources:
The study involves the simulation of the actual charging process using Simulink.
3：List of Experimental Equipment and Materials:
Includes a photovoltaic array, NPC three-level inverter, and specific parameters like DC bus voltage, DC bus capacitance, output frequency, and carrier frequency.
4：Experimental Procedures and Operational Workflow:
The photovoltaic array converts solar energy into direct current energy, which is then regulated and transmitted to the inverter. The inverter converts the direct current into three-phase alternating current and outputs it into the charging pile.
5：Data Analysis Methods:
The study analyzes the midpoint potential waveform, Fourier analysis of the output voltage, and load current waveform.
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