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Current-doubler rectifiers are well-known in conjunction with double ended buck-derived isolated converters. One major purpose for its implementation is the reduction of power losses in the transformer secondary winding. The topic of this paper is an extension to this approach and presents a detailed analysis of a current-doubler rectifier used in an LLC resonant converter. The analysis uses the first...
Wireless dynamic charging is one of the most promising power supply methods for electric vehicles and locomotives. High system efficiency is the essential feature for the practical application of wireless dynamic charging. An efficiency optimization method is proposed to improve the performance by optimizing the transmitters' currents. The optimized current control method adjusts the direction and...
This paper proposes a high-efficiency, compact inductive power transfer (IPT) system for the stationary charging of electric vehicles, which contains a single transmitter and two receivers of different power. The transmitter is compatible with both 3.3kW and 7.7kW receivers. A double-sided LCC compensation circuit is adopted to realize the IPT system. In the magnetic coupler design, the external compensation...
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