{
  "$type": "site.standard.document",
  "description": "The train may collect direct current from an overhead wire (9). The input current (8) may flow through a smoothing circuit (10) to the DC side (2) of a pulse current inverter (1). The AC side (3) is connected to four motors (PSM1-4) in parallel. The motors and one line of the three-phase power…",
  "path": "/patents/1089173",
  "publishedAt": "2004-03-03T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L9/00",
    "SIEMENS AG [DE]"
  ],
  "textContent": "The train may collect direct current from an overhead wire (9). The input current (8) may flow through a smoothing circuit (10) to the DC side (2) of a pulse current inverter (1). The AC side (3) is connected to four motors (PSM1-4) in parallel. The motors and one line of the three-phase power supply are connected (6) to a torque regulation circuit (4). This circuit has an input (5) from the driver or other control system and sends a control signal (7) to the inverter.",
  "title": "Driven running gear for railway vehicles"
}