{
  "$type": "site.standard.document",
  "description": "A wireless power feeding system includes: a power transmission circuit portion for converting DC power supplied from a main power supply, to AC power, and for supplying the AC power to a power-transmission-side coil; input power control means for controlling the AC power to be supplied to the…",
  "path": "/patents/1316511",
  "publishedAt": "2022-04-28T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J50/12",
    "Mitsubishi Electric Corporation"
  ],
  "textContent": "A wireless power feeding system includes: a power transmission circuit portion for converting DC power supplied from a main power supply, to AC power, and for supplying the AC power to a power-transmission-side coil; input power control means for controlling the AC power to be supplied to the power-transmission-side coil; a power-reception-side coil which is magnetically coupled with the power-transmission-side coil and to which AC power is transmitted from the power-transmission-side coil through magnetic energy accumulated between the power-reception-side coil and the power-transmission-side coil; a power reception circuit including a rectifier for converting the AC power transmitted to the power-reception-side coil, to DC, and a power-reception-side DC/DC converter; and power reception circuit control means for controlling rectifier output voltage to be a maximum efficiency voltage at which power transmission efficiency becomes maximum.",
  "title": "WIRELESS POWER FEEDING SYSTEM AND POWER RECEPTION DEVICE"
}