{
  "$type": "site.standard.document",
  "description": "A method for distinguishing faults for at least one battery module on a voltage bus, the at least one battery module being switchable between an ON state and an OFF state, includes: commanding a positive contactor of the at least one battery module to open; determining whether a switch of the…",
  "path": "/patents/1381938",
  "publishedAt": "2026-04-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02H7/18",
    "Caterpillar Inc."
  ],
  "textContent": "A method for distinguishing faults for at least one battery module on a voltage bus, the at least one battery module being switchable between an ON state and an OFF state, includes: commanding a positive contactor of the at least one battery module to open; determining whether a switch of the positive contactor indicates the positive contactor is open or closed, and: if the switch of the positive contactor indicates the positive contactor is open, commanding a negative contactor of the at least one battery module to open, or if the switch of the positive contactor indicates the positive contactor is closed, comparing a bus voltage of the voltage bus to a first bus voltage threshold, and: if the bus voltage is less than the first bus voltage threshold, commanding the negative contactor to open.",
  "title": "Contactor Position and Failure Detection System"
}