{
  "$type": "site.standard.document",
  "description": "It is described a method for determining a limit value of a wind turbine reference operational variable, the wind turbine being connected to a connection node to which a utility grid is connected, the method comprising: obtaining a first input signal indicative of a connection node limit voltage…",
  "path": "/patents/993318",
  "publishedAt": "2013-01-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F03D9/257",
    "SIEMENS AG [DE]"
  ],
  "textContent": "It is described a method for determining a limit value of a wind turbine reference operational variable, the wind turbine being connected to a connection node to which a utility grid is connected, the method comprising: obtaining a first input signal indicative of a connection node limit voltage (Umaxref, Uminref); obtaining a second input signal indicative of a connection node voltage (Umeas); and determining the limit value (VMax, VMin) of the wind turbine reference operational variable (U_WTREF) based on the first signal and the second signal. Further a corresponding arrangement is described.",
  "title": "Method and arrangement for operating a wind farm within voltage limit"
}