{
  "$type": "site.standard.document",
  "description": "TA battery relay diagnosis device according to one embodiment of the present invention is a battery relay diagnosis device for diagnosing a battery system comprising a plurality of battery packs connected in parallel, and a charging and discharging control unit for controlling charging and…",
  "path": "/patents/1411765",
  "publishedAt": "2025-01-29T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "G01R31/3278",
    "LG ENERGY SOLUTION LTD [KR]"
  ],
  "textContent": "TA battery relay diagnosis device according to one embodiment of the present invention is a battery relay diagnosis device for diagnosing a battery system comprising a plurality of battery packs connected in parallel, and a charging and discharging control unit for controlling charging and discharging of the plurality of battery backs by being connected between the plurality of battery packs and a load side, wherein a battery pack comprises a battery cell module comprising a plurality of battery cells, and a switching unit comprising a first switch provided between the (+) end of the battery cell module and the load side, and a second switch provided between the (-) end of the battery cell module and the load side, and the battery relay diagnosis device comprises a switching control unit for controlling a current being applied to the battery cell module by on/off controlling the switching unit, and may comprise a diagnosis unit for diagnosing the first switch and the second switch on the basis of an on/off state of the first switch and the second switch.",
  "title": "PARALLEL BATTERY RELAY DIAGNOSIS DEVICE AND METHOD"
}