研究目的
To propose an active Class E recti?er that can perform both high frequency recti?cation and output voltage regulation for wireless power transfer systems.
研究成果
The paper demonstrates that the proposed active Class E recti?er can effectively perform high frequency recti?cation and output voltage regulation. By controlling the duty cycle of the switch in the active recti?er, a constant output voltage can be maintained under varying coupling coefficients and DC load conditions.
研究不足
The operating range of the duty cycle is restricted below 60% to guarantee good system efficiency, which may limit the range of output voltage regulation.
1：Experimental Design and Method Selection:
The paper combines Class E half-wave recti?er and boost converter to form an active Class E recti?er. The methodology includes theoretical analysis, simulation using Advanced Design System (ADS), and experimental validation.
2：Sample Selection and Data Sources:
The experiment uses a 6.78 MHz WPT system with specific parameters for the coupling coils and active Class E recti?er.
3：78 MHz WPT system with specific parameters for the coupling coils and active Class E recti?er.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: Includes Schottky diode DFLS240, GaN transistor GS61004B, and electronic load for emulating the final DC load.
4：Experimental Procedures and Operational Workflow:
The experiment involves adjusting the duty cycle of the switch in the active recti?er to regulate output voltage under varying coupling coefficients and load conditions.
5：Data Analysis Methods:
The paper analyzes the efficiency and output power of the system under different duty cycles and coupling conditions.
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