研究目的
To present a novel architecture for integrating photovoltaic and energy storage to the grid using modular triple port active bridge DC-DC converter modules and cascaded H-Bridge multilevel inverter structures.
研究成果
The proposed fully modular inverter architecture using triple active bridge modules and cascaded H-Bridge multilevel inverter is highly efficient, scalable for higher power, and suitable for large scale photovoltaic and energy storage grid integration. The control strategy and experimental results validate the system's performance under various scenarios.
研究不足
The study focuses on a specific architecture for photovoltaic and energy storage grid integration, which may not cover all possible configurations or address all potential challenges in real-world applications.
1：Experimental Design and Method Selection:
The study employs a modular approach using triple port active bridge DC-DC converter modules and cascaded H-Bridge multilevel inverter structures for grid integration.
2：Sample Selection and Data Sources:
The system is tested under varying solar irradiation and grid power demand scenarios.
3：List of Experimental Equipment and Materials:
Includes 1200V SiC MOSFETs for PV and ES, 1700V SiC MOSFET for the output load side, and a TMS320F28335 DSP for implementing phase shift PWM.
4：Experimental Procedures and Operational Workflow:
The system's performance is evaluated through simulation and experimental results, including operation under varying solar irradiation and grid power, and unequal solar irradiance among triple port bridges.
5：Data Analysis Methods:
The study analyzes system performance through simulation waveforms and experimental results, focusing on power flow, voltage control, and efficiency.
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