{
  "$type": "site.standard.document",
  "description": "A power supply arrangement adapted to provide auxiliary power to a wind farm that feeds into a HVDC transmission link is provided. The power supply arrangement has an auxiliary power supply to deliver auxiliary power (P) to the wind farm; a backfeed control for initiating provision of a backfeed…",
  "path": "/patents/1147867",
  "publishedAt": "2015-09-17T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J11/00",
    "SIEMENS AKTIENGESELLSCHAFT"
  ],
  "textContent": "A power supply arrangement adapted to provide auxiliary power to a wind farm that feeds into a HVDC transmission link is provided. The power supply arrangement has an auxiliary power supply to deliver auxiliary power (P) to the wind farm; a backfeed control for initiating provision of a backfeed voltage on the HVDC link during a wind farm downtime; a backfeed switch to close a DC current path between the HVDC link and the auxiliary power supply; and a power converter for converting the backfeed voltage into auxiliary power (P). A wind farm arranged to feed into a HVDC transmission link is also provided, having such a power supply arrangement for providing auxiliary power (P) to the wind farm during a wind farm downtime. A method of providing auxiliary power (P) to a wind farm during a wind farm downtime is also provided.",
  "title": "POWER SUPPLY ARRANGEMENT OF A WIND FARM"
}