{
  "$type": "site.standard.document",
  "description": "A cell balancing device (1) includes a plurality of serially connected battery modules (8-1 through 8-n), an external generator (3), a transformer 16 including a first coil (20) and a plurality of second coils (21-1 through 21-n) connected in parallel to each of the battery modules (8-1 through…",
  "path": "/patents/994314",
  "publishedAt": "2013-01-02T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J7/56",
    "TOYOTA JIDOSHOKKI KK [JP]"
  ],
  "textContent": "A cell balancing device (1) includes a plurality of serially connected battery modules (8-1 through 8-n), an external generator (3), a transformer 16 including a first coil (20) and a plurality of second coils (21-1 through 21-n) connected in parallel to each of the battery modules (8-1 through 8-n), a switch (17) provided between the external generator (3) and the first coil (20), a cell balancing circuit (5) and a battery ECU (6) for electromagnetically coupling the first coil (20) and each of the second coils (21-1 through 21-n) by turning on and off the switch (17) when the difference between the output voltages of the battery modules (8-1 through 8-n) equals or exceeds a threshold.",
  "title": "Cell balancing device"
}