{
  "$type": "site.standard.document",
  "description": "The inverter (1) has inverter inputs (7.1, 7.2), an inverter output (9), and an inverter element (3) with a direct-voltage input (8). A control electronic system having a microcontroller (5) monitors direct voltage lying at the direct-voltage input and mains voltage and/or mains frequency of a…",
  "path": "/patents/1009707",
  "publishedAt": "2011-08-31T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H02J3/381",
    "ZIEHL ABEGG AG [DE]"
  ],
  "textContent": "The inverter (1) has inverter inputs (7.1, 7.2), an inverter output (9), and an inverter element (3) with a direct-voltage input (8). A control electronic system having a microcontroller (5) monitors direct voltage lying at the direct-voltage input and mains voltage and/or mains frequency of a network. The system permits switches (K1, K2) to separate one of the inverter inputs from the direct voltage input when the voltage lying at the direct-voltage input exceeds upper threshold and/or the mains voltage or mains frequency lies beyond standard voltage and/or standard frequency range. An independent claim is also included for a method for controlling an inverter for a solar panel.",
  "title": "Inverter for photovoltaic systems"
}