| 摘要 |
PROBLEM TO BE SOLVED: To provide a power feeding apparatus capable of facilitating acquisition of a coupling coefficient in performing power transmission using magnetic fields.SOLUTION: The power feeding apparatus includes a power transmission coil for performing power transmission using magnetic fields, and a coupling coefficient calculation section that calculates a coupling coefficient between the power transmission coil and a power reception coil in a power feeding target apparatus. The coupling coefficient calculation section measures a frequency characteristic of input impedance under an inoperative state of a rectifier circuit in the power feeding target apparatus and calculates a coupling coefficient using a measurement result of the frequency characteristic. |
