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For the battery/super-capacitor hybrid system as the wireless power transfer system load, it is rarely discussed. In this paper, the characteristics of such a system are considered, a charging topology is proposed. And a control strategy is proposed to not only meet the requirements of the system energy output, but also maintain the high efficiency of the system based on rational design of power allocation...
For the application of on-board energy storage equipment of rail transit vehicle, the bi-directional DC/DC is the significant converter. Considering the converter and super-capacitor load, the paper proposes a wireless charging circuit topology for the light rail transit. And a dual side control strategy is proposed to not only meet the requirements of the system energy output, but also maintain the...
Due to the loose coupling characteristic of the wireless power transfer system, design of the compensation topology is important. In SS resonant compensation condition, using Buck circuit in secondary side, the output load current and the duty cycle showing approximate inverse relationship in a wide range, making traditional Buck circuit control method cannot be used. To solve this problem, this paper...
In order to improve the charging speed, the Supercapacitor is used as the energy storage device in wireless power transfer (WPT) systems applied to electic vehicles. The analysis of WPT with Supercapacitor as load was carried out and charging strategy of Supercapacitor was studied on in this paper. In order to improve the transmission efficiency of the system , the reference value of the primary coil...
The significant constraint for the applications of wireless power transfer is the low efficiency, compared to the traditional electric wired connection. In order to improve the transfer efficiency, a variety of compensation networks are proposed to reduce the reactive power transfer but parameter selection is only based on coupling coils and ignores the inverter loss. In this paper, compensation capacitor...
So far, analysis of wireless power transfer system is usually based on the constant pure resistive loads. Meanwhile, in real applications, there are many types of different loads. This paper studies a WPT system using super-capacitor as its load. In order to simplify the analysis, the equivalent model of the WPT system is derived based on the principle of power conservation. During the charging of...
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