| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power transmission system capable of controlling power transmission with the safety secured even if a foreign material exists between a power transmission device and a power reception device. <P>SOLUTION: Reception power value acquisition means 12 for acquiring a reception power value is provided on a power reception device 8 side, while on a power transmission device 1 side, the following are provided: injection power value acquisition means 5 for acquiring an injection power value; reflection power value acquisition means 6 for acquiring a reflection power value; and power transmission control means 7 for performing control of stopping power transmission if a loss-power value exceeds a pre-set threshold, where the loss-power value is calculated based on the reception power value acquired by the reception power value acquisition means 12, the injection power value acquired by the injection power value acquisition means 5, and the reflection power value acquired by the reflection power value acquisition means 6. <P>COPYRIGHT: (C)2013,JPO&INPIT |
