| 摘要 |
PROBLEM TO BE SOLVED: To provide a contactless feeding system that implements a wide frequency band of high efficiency power transmission from a transmitting side to a receiving side.SOLUTION: A contactless feeding system 1 for supplying power from a transmitting side AC power supply 21 to a storage battery 220 as a receiving side load in a contactless manner includes a transmitting side resonance coil 41 supplied with AC power from the AC power supply 21, and a receiving side resonance coil 42 having a resonance frequency for electromagnetic coupling with the transmitting side resonance coil 41, and has a toroidal transformer 31 between the transmitting side resonance coil 41 and the AC power supply 21, and a toroidal transformer 32 between the receiving side resonance coil 42 and the storage battery 220. |
