Abstract
Compared with capacitive power transfer system, inductive power transmission (IPT) system is suitable for electric field coupling at higher frequencies. In the LCC-compensated IPT system, it contains four common mode (CM) inductors, one transformer, two parallel and two series resonant capacitors. However, these passive components occupy a significant space. In order to reduce the volume, an integrated passive device with flexible multi-layer foil (FMLM) integration technology is proposed in this paper. Besides, this paper also introduces the construction, flux analysis and parameter design of the proposed integrated device. Finally, in order to prove the feasibility of the proposed ideas, a simulation model based on Maxwell/Ansoft and a prototype are built for a 2200W-85kHz LCC-compensated IPT device.
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