{
  "$type": "site.standard.document",
  "description": "A parallel device for a battery module including a plurality of battery groups, comprising: a plurality of switching units, each comprising a first switch and a load and each connected with a battery group to form a braches which are connected together in parallel; and a controlling module…",
  "path": "/patents/1008975",
  "publishedAt": "2011-10-05T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/441",
    "BYD CO LTD [CN]"
  ],
  "textContent": "A parallel device for a battery module including a plurality of battery groups, comprising: a plurality of switching units, each comprising a first switch and a load and each connected with a battery group to form a braches which are connected together in parallel; and a controlling module, connected with the first switch and the battery group and configured to collect a voltage of the battery groups, calculate the voltage differences between the voltages of the battery group, compare the voltage differences with a voltage reference and control the first switch to open or close according to the voltage comparison result. A controlling method of the parallel device for a battery module including a plurality of battery groups is also provided.",
  "title": "A parallel device for a battery module and controlling method thereof"
}