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    • 2. 发明公开
    • CONTACTLESS POWER FEEDING APPARATUS
    • 非接触式供电装置
    • EP2639931A1
    • 2013-09-18
    • EP11839840.3
    • 2011-09-29
    • Nissan Motor Co., Ltd
    • KAI, ToshihiroKRAISORN, ThrongnumchaiMINAGAWA, Yusuke
    • H02J17/00
    • H04B5/0037H02J5/005H02J7/025H02J50/10H02J50/12H04B5/0093
    • A contactless power feeding apparatus includes a secondary winding to which power is supplied from a primary winding by an AC power supply. An impedance absolute-value characteristic of Z1 with respect to a frequency has a frequency of a fundamental wave component of the AC power supply to be between a frequency where a local maximum exists and that is nearest to the frequency of the fundamental wave component of the AC power supply, and a frequency where a local minimum exists and that is nearest to the frequency of the fundamental wave component. An impedance absolute-value characteristic of Z2 with respect to the frequency has the frequency of the fundamental wave component to be between a frequency where the local maximum exists and that is nearest to the frequency of the fundamental wave component of the AC power supply, and a frequency where the local minimum exists and that is nearest to the frequency of the fundamental wave component. Here, Z1 indicates the impedance of just the primary side when viewed from the output side of the AC power supply, and Z2 indicates the impedance of just the secondary side when viewed from the side of a load to be connected to the secondary winding.
    • 非接触供电设备包括通过AC电源从初级绕组供应电力的次级绕组。 Z1相对于频率的阻抗绝对值特性具有交流电源的基波分量的频率处于存在极大值的频率和最接近该极大值的频率之间的频率 交流电源和存在局部最小值并且与基波分量的频率最接近的频率。 Z2相对于频率的阻抗绝对值特性具有基波分量的频率在存在极大值的频率和最接近AC电源的基波分量的频率之间的频率,以及 存在局部最小值并且与基波分量的频率最接近的频率。 在此,Z1表示从交流电源的输出侧观察时的一次侧的阻抗,Z2表示从与负载侧连接的负载侧观察时的二次侧的阻抗。