{
  "$type": "site.standard.document",
  "description": "Method for measuring an operating temperature of a power module () that is used for operating an electric vehicle drive, the power module () comprising a plurality of semiconductor switching elements () and drive electronics (), wherein the semiconductor switching elements () can be switched by the…",
  "path": "/patents/1325272",
  "publishedAt": "2022-08-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02M7/537",
    "ZF Friedrichshafen AG"
  ],
  "textContent": "Method for measuring an operating temperature of a power module () that is used for operating an electric vehicle drive, the power module () comprising a plurality of semiconductor switching elements () and drive electronics (), wherein the semiconductor switching elements () can be switched by the drive electronics () in such a way that the semiconductor switching elements () allow or interrupt a drain-source current in order to convert the direct current fed into the power module () at the input side into an output-side alternating current, wherein the method comprises measurement of a voltage present at a point located on a side of a diode () that is connected in series with the semiconductor switching element () and that faces away from the semiconductor switching element (), wherein the method comprises measurement of a drain-source current of the semiconductor switching element () that is generated by a current source (), wherein the method comprises determination of a mathematical dependency between the measured voltage and the measured current.",
  "title": "POWER MODULE FOR THE OPERATION OF AN ELECTRIC VEHICLE DRIVE WITH IMPROVED TEMPERATURE DETERMINATION OF THE POWER SEMICONDUCTOR"
}