Jie Wu, Kai Feng, Nan Jin, Zhenjun Wu, Shuaibiao He, Xin Liu, D. Ma
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Information Reverse Transmission Method for Bidirectional WPT with Dual Active Bridges
In wireless power transfer (WPT) system, the primary and secondary sides employ full bridges to transfer power. The direction of power transmission is controlled by shifting the phase angle. In this paper, a method of bidirectional power trabsfer and information reverse transmission is proposed for the bidirectional WPT system with dual active bridges through a shared inductive channel. In order to realize the information reverse transmission during power transfer, a new magnetic coil is added to the main circuit. The analysis of transfer function validates the shared channel carrying two frequencies is able to transfer power and information simultaneously. The simulation verifies the proposed method of information reverse transmission.
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