{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "The electrical power supply units (1-5) supply power to traction motors (6,7), through the mixed thyristor bridge. An alternative current detector including a transformer, detects AC discharge on the power supply line. The primary of the transformer in detector is connected in series between power…",
  "path": "/patents/1112442",
  "publishedAt": "2001-06-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L3/00",
    "DES SOC NAT [FR]"
  ],
  "textContent": "The electrical power supply units (1-5) supply power to traction motors (6,7), through the mixed thyristor bridge. An alternative current detector including a transformer, detects AC discharge on the power supply line. The primary of the transformer in detector is connected in series between power supply line and ground through a resistor. The secondary of the transformer is connected to a relay (51) through the rectifier bridge.",
  "title": "Electric protective relay"
}