{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "This application discloses a photovoltaic power generation system and a method, and relates to the field of photovoltaic power generation technologies. The system includes an inverter (103), a controller, and at least two direct current branch circuits. Each direct current branch circuit includes a…",
  "path": "/patents/1408902",
  "publishedAt": "2024-10-23T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02H1/0007",
    "HUAWEI DIGITAL POWER TECH CO LTD [CN]"
  ],
  "textContent": "This application discloses a photovoltaic power generation system and a method, and relates to the field of photovoltaic power generation technologies. The system includes an inverter (103), a controller, and at least two direct current branch circuits. Each direct current branch circuit includes a DC-DC converter (102) and a leakage current detection apparatus (101). The leakage current detection apparatus (101) is configured to: detect a leakage current of the direct current branch circuit on which the leakage current detection apparatus (101) is located, and send the leakage current to the controller. The controller is configured to: before the photovoltaic power generation system runs, determine, based on values and directions of leakage currents of the direct current branch circuits, a direct current branch circuit on which an insulation fault occurs. The controller is further configured to: when the photovoltaic power generation system runs, when a value of a leakage current of the direct current branch circuit exceeds a preset range, determine that an insulation fault occurs on the direct current branch circuit. The system can be used to determine the direct current branch circuit on which the insulation fault occurs in the photovoltaic power generation system, so that measures are taken in time for the direct current branch circuit on which the insulation fault occurs, to eliminate a potential safety hazard.",
  "title": "PHOTOVOLTAIC POWER GENERATION SYSTEM AND METHOD"
}