Abstract：When both the primary and secondary sides of the magnetic resonant wireless power transfer system are resonant compensation networks, the change of transmission distance causes the transmission performance of the system to fluctuate greatly. In order to make the magnetic resonant wireless power transfer system have relatively stable energy transmission characteristics under different transmission distances, the mutual inductance coupling theory is used in this paper to model the magnetic resonant wireless power transfer system, and analyze the transmission power of the system under different compensation levels on the primary side. A frequency tracking detuning control strategy based on differential units phase-locked loop was adopted to actively track the resonant frequency. The control of the impedance angle keeps the system working under a reasonable detuning rate and realizes soft switching at the same time. A 150W, 10kHz experimental platform was designed. The correctness of simulation and theoretical analysis is demonstrated by the experimental.
黄程, 陆益民. 磁谐振无线电能传输系统的频率跟踪失谐控制[J]. 电工技术学报, 2019, 34(15): 3102-3111.
Huang Cheng, Lu Yimin. Frequency Tracking Detuning Control of Magnetic Resonant Wireless Power Transfer System. Transactions of China Electrotechnical Society, 2019, 34(15): 3102-3111.
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2019, Vol. 34 
