{
  "$type": "site.standard.document",
  "description": "This invention relates to a multiple phase electrical system (310), comprising: a first and a second electrical lane (312,314) each lane having a generator (316a,316b) and a load (324) connected by a bus system (326a,326b), and a rectifier (320a,320b) between the generator and load; and, a…",
  "path": "/patents/971360",
  "publishedAt": "2014-08-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J3/1878",
    "ROLLS ROYCE PLC [GB]"
  ],
  "textContent": "This invention relates to a multiple phase electrical system (310), comprising: a first and a second electrical lane (312,314) each lane having a generator (316a,316b) and a load (324) connected by a bus system (326a,326b), and a rectifier (320a,320b) between the generator and load; and, a transformer (318) connected between the two lanes, the transformer having a plurality of power windings (330a-c) across each of which corresponding phases of the first and second lanes are connected, and a plurality of phase shift windings (332a-c). The transformer provides a path for the circulation of the dominant 5th and 7th harmonic currents generated by each rectifier and prevents these undesirable currents from flowing in each of the generators.",
  "title": "An electrical system with an arrangement for filtering rectifier-generated 5th and 7th order current harmonics"
}