{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "The method involves disconnecting a voltage source (2) from a transformer (1) when an output current (iA) exceeds a maximum permissible value. An output voltage (uA) is formed in response to a start signal (Ss), as a function of a transformer voltage that is determined recently before the output…",
  "path": "/patents/1092936",
  "publishedAt": "2003-10-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02H9/002",
    "ABB SCHWEIZ AG [CH]"
  ],
  "textContent": "The method involves disconnecting a voltage source (2) from a transformer (1) when an output current (iA) exceeds a maximum permissible value. An output voltage (uA) is formed in response to a start signal (Ss), as a function of a transformer voltage that is determined recently before the output current exceeds the permissible value and as a function of magnetic fluxes (phi1, phi2). An Independent claim is also included for an apparatus for carrying out a method of operating a transformer from a drivable voltage source.",
  "title": "Process for the operation of a transformer connected to a controllable voltage source as well as an apparatus for the implementation of that process"
}