Dual output power regulation method based on dynamic decoupling
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Abstract:
For the real-time and dynamic adjustment of output power for inductively coupled power transfer systems, a new power adjustment method based on dynamic decoupling technology is proposed. Two full-control switching tubes are added to the secondary side rectifier circuit of the wireless energy transmission system, and the switching between the switching tubes on both sides of the rectifier circuit is controlled, that is, the duty ratio of the two switching tubes is adjusted so that the load side and the resonant network are dynamically decoupled, thereby realizing the discontinuous adjustment of the output voltage of the resonant network and achieving the purpose of adjusting the output power. Compared with the four common power adjustment methods: frequency modulation, amplitude modulation, phase shifting and energy injection, the method proposed above has incomparable advantages in terms of speed, real-time, complexity, volume and cost. Finally, the correctness of the theoretical analysis and the feasibility of the scheme are verified by simulation and experiment.
