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Trifoliate Three-Phase Contactless Power Transformer in Case of Winding-Alignment

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6 Author(s)
Matsumoto, H. ; Dept. of Electr. Eng., Fukuoka Univ., Fukuoka, Japan ; Neba, Y. ; Iura, H. ; Tsutsumi, D.
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This paper proposes a trifoliate three-phase contactless power transformer. This transformer can achieve balanced electrical behavior between three phases at winding alignment. For this transformer, models are presented with accompanying detailed explanations. The models reproduce the electrical behavior more precisely than conventional models. A contactless power transfer system using a prototype of the proposed transformer and the resonant capacitances estimated by the models works effectively and attains good performance levels. In addition, in winding misalignments with slight displacements, the system is able to maintain these high-performance levels.

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Industrial Electronics, IEEE Transactions on  (Volume:61 ,  Issue: 1 )