{
  "$type": "site.standard.document",
  "description": "A method and apparatus for controlling a neutral point voltage of a three-phase resonant-earthed electric network, the apparatus comprising determining means (31) configured to determine a target value for the neutral point voltage of the three-phase resonant-earthed electric network (20)…",
  "path": "/patents/1398002",
  "publishedAt": "2026-04-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02H9/06",
    "ABB SCHWEIZ AG [CH]"
  ],
  "textContent": "A method and apparatus for controlling a neutral point voltage of a three-phase resonant-earthed electric network, the apparatus comprising determining means (31) configured to determine a target value for the neutral point voltage of the three-phase resonant-earthed electric network (20), calculating means (31) configured to calculate at least one phase-specific control admittance or a neutral point specific control admittance required for controlling the neutral point voltage of the three-phase resonant-earthed electric network (20) from a prevailing value to the determined target value, and admittance means (30) configured to add the calculated at least one phase-specific control admittance between a ground and a respective phase (A, B, C) of the three-phase resonant-earthed electric network (20) or the calculated neutral point specific control admittance between the ground and a neutral point (21) of the three-phase resonant-earthed electric network (20).",
  "title": "METHOD AND APPARATUS FOR CONTROLLING NEUTRAL POINT VOLTAGE OF THREE-PHASE RESONANT-EARTHED ELECTRIC NETWORK"
}