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
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概要
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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.
著者
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柏木 隆行
Maglev System Technology Division, Railway Technical Research Institute
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北澤 智志
Graduate School of Engineering, Chiba University
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近藤 圭一郎
Graduate School of Engineering, Chiba University