Research on high gain bridge compensation network for low voltage input MC-WPT system
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Abstract:
Due to the loosely coupled characteristics of wireless power transfer (WPT) systems, the gain from input voltage to output voltage of traditional WPT systems are generally low. This is the problem of insufficient gain in the application of low voltage input and high voltage output of photovoltaic. In this paper, a new power conversion topology based on bridge compensation network is proposed. The impedance characteristics and energy transmission characteristics of the system based on bridge compensation network are studied, and an improved bridge compensation network scheme is given. On this basis, the parameter design method of bridge compensation network is proposed. Finally, the validity of the proposed method is verified by experiments, which can achieve 2-9 times gain from input voltage to output voltage.
