{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreiby7lkn5tsokcenqtidxqwotzch6eeryumhqxjldfhsk3illjncoi"
    },
    "mimeType": "image/png",
    "size": 113442
  },
  "description": "An electric vehicle drive system, a backup power supply device and a backup power supply method for an electric vehicle drive system are provided. The method includes: converting a voltage on a high voltage DC bus of an electric vehicle into a backup input voltage; determining whether a low voltage…",
  "path": "/patents/1279321",
  "publishedAt": "2020-12-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L50/66",
    "SUNGROW POWER SUPPLY CO., LTD."
  ],
  "textContent": "An electric vehicle drive system, a backup power supply device and a backup power supply method for an electric vehicle drive system are provided. The method includes: converting a voltage on a high voltage DC bus of an electric vehicle into a backup input voltage; determining whether a low voltage battery in the electric vehicle drive system has power supply abnormity; and determining the backup input voltage to be an input voltage of a low voltage power supply circuit in the electric vehicle drive system, in a case that the low voltage battery has power supply abnormity.",
  "title": "ELECTRIC VEHICLE DRIVE SYSTEM, BACKUP POWER SUPPLY DEVICE AND METHOD THEREFOR"
}