{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "It is described a method for operating a converter (100) of a wind turbine for providing electric energy to a utility grid (158), the method comprising: determining a grid voltage (V); if the grid voltage (V) is between a nominal voltage (V0) and a first voltage threshold (V1) higher than the…",
  "path": "/patents/987998",
  "publishedAt": "2013-07-31T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J3/381",
    "SIEMENS AG [DE]"
  ],
  "textContent": "It is described a method for operating a converter (100) of a wind turbine for providing electric energy to a utility grid (158), the method comprising: determining a grid voltage (V); if the grid voltage (V) is between a nominal voltage (V0) and a first voltage threshold (V1) higher than the nominal voltage, performing a normal procedure (207) for lowering the grid voltage; if the grid voltage is above the first voltage threshold, performing another procedure (211, 213, 215, 217) for keeping turbine connected, the other procedure being different from the normal procedure. Further a corresponding arrangement is described.",
  "title": "Method and arrangement for operating a wind turbine converter"
}