研究目的
To present a three-phase inverter with a single DC source employing a three-phase transformer for a grid-connected photovoltaic (PV) system controlled using the modified space vector pulse width modulation technique (MSVPWM) for fifteen switches.
研究成果
The proposed three-phase inverter system with a single DC source offers reduced number of switches and transformers, and minimum THD, leading to lower switching power loss and cost. The system's performance is validated through simulations and a prototype model, showing close agreement between hardware and simulation results.
研究不足
The proposed system requires careful design and implementation to ensure minimal total harmonic distortion (THD) and efficient operation under varying climatic conditions.
1：Experimental Design and Method Selection:
The proposed system uses a modified space vector pulse width modulation technique (MSVPWM) for fifteen switches, implemented through a field-programmable gate array (FPGA).
2：Sample Selection and Data Sources:
The system is tested with a 6.6 kW PV panel assumed to be operated at 1000 W/m
3：6 kW PV panel assumed to be operated at 1000 W/mList of Experimental Equipment and Materials:
2.
3. List of Experimental Equipment and Materials: Includes a Spartan 6A FPGA development board, IGBT SKM50GB12T4 for the inverter, and 37 Tata BP Solar panels.
4：Experimental Procedures and Operational Workflow:
The output of the PV panel is connected to a boost converter, which is controlled by pulses from the FPGA based on the MPPT algorithm. The output of the boost converter is fed as input to the three-phase inverter.
5：Data Analysis Methods:
The performance of the proposed system is validated through MATLAB/Simulink simulations and an FPGA-based prototype model.
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