非接触給電システムの電力変換回路におけるコイル位置ずれ時の定電力伝送制御法とその特性

書誌事項

タイトル別名
  • An Evaluation of Power Flow Control of the Power Conversion Circuit for Contactless Power Transformer Systems at the Coil Misalignment
  • ヒセッショク キュウデン システム ノ デンリョク ヘンカン カイロ ニ オケル コイル イチズレ ジ ノ テイデンリョク デンソウ セイギョホウ ト ソノ トクセイ
  • Power flow control of a power conversion circuit for contactless power transformer systems with coil misalignment

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The coupling coefficient between the coils of a noncontact power supply system is reduced by coil misalignment. This reduces the output voltage and the active power in the coils. To cope with these problems, an instantaneous current control method is applied to a single-phase contactless power transformer system to apply the equivalent impedance of the PWM rectifier at the load side of the transformer. We propose a control method to supply power constantly to the load even when misalignment of the receiving coils occurs. The limit of the transferred power associated with the proposed control method is investigated. The proposed system, including the control method, is verified by experimental tests over a power range of several tens of watts.

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