研究目的
Investigating the topology and control strategy of a high-precision and wide-range hybrid converter for photovoltaic cell simulation, high-performance programmable logic power supply, and DC motor simulation.
研究成果
The proposed hybrid topology and control strategy demonstrate wide-range output regulation, fast dynamic response, high efficiency, and high power factor, suitable for high-performance photovoltaic cell simulation, programmable logic power supply, and DC motor simulation. The experimental results validate the correctness and effectiveness of the topology and control methods.
研究不足
The study primarily focuses on the single direction analysis and experimental verification of power supply, with a mention of topology expansion and simulation analysis of energy bidirectional flow. The efficiency of the current source converter is noted to be slightly less than that of the voltage source converter under the same input voltage.
1：Experimental Design and Method Selection:
The study proposed a high-frequency isolation hybrid topology based on current-source/voltage-source converter and analyzed its working principle. An equivalent model was simplified and established, and a control strategy based on current compensation and sliding mode variable structure was proposed.
2：Sample Selection and Data Sources:
The study focused on the simulation and experimental verification of the proposed hybrid topology for photovoltaic cell simulation.
3：List of Experimental Equipment and Materials:
A 10-kW experimental platform was designed based on the proposed topology and control strategy.
4：Experimental Procedures and Operational Workflow:
Simulation and experimental research were carried out to verify the hybrid topology and control strategy, including dynamic tracking verification and stable load verification.
5：Data Analysis Methods:
The study analyzed the system's efficiency, power factor, and harmonic distortion rates under various operating conditions.
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