{
  "$type": "site.standard.document",
  "description": "The present invention provides a high voltage direct current (HVDC) transmission system () comprising: a first station () comprising series-connected first and second HVDC converters (); a second station () comprising series-connected third and fourth HVDC converters (), wherein a neutral node ()…",
  "path": "/patents/1288741",
  "publishedAt": "2021-04-22T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02H7/268",
    "GENERAL ELECTRIC TECHNOLOGY GMBH"
  ],
  "textContent": "The present invention provides a high voltage direct current (HVDC) transmission system () comprising: a first station () comprising series-connected first and second HVDC converters (); a second station () comprising series-connected third and fourth HVDC converters (), wherein a neutral node () coupling the third HVDC converter () to the fourth HVDC converter () is coupled to earth; a first transmission line () connecting a positive node () of the first HVDC converter () to a corresponding positive node () of the third HVDC converter (), wherein a first pole () of the system () comprises the first HVDC converter (), the third HVDC converter () and the first transmission line (); a second transmission line () connecting a negative node () of the second HVDC converter () to a corresponding negative node () of the fourth HVDC converter (), wherein a second pole () of the system () comprises the second HVDC converter (), the fourth HVDC converter () and the second transmission line (); characterised in that: a neutral node () connecting the first HVDC converter () to the second HVDC converter () is coupled to a parallel combination of a resistance () and a neutral bus ground switch () for coupling the neutral node () to earth.",
  "title": "HVDC TRANSMISSION SCHEMES"
}