{
  "$type": "site.standard.document",
  "description": "A power conversion device (100) includes a power converter (11, 12), a relay (21, 22, 23, 24, 25), and a welding detector (30). The welding detector includes a first resistor (R301, R31, R32, R33) connected to a terminal of the relay on a first side, a capacitor (C101, C201, C11, C21, C41, C51…",
  "path": "/patents/1415942",
  "publishedAt": "2024-11-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L3/0023",
    "HONDA MOTOR CO LTD [JP]"
  ],
  "textContent": "A power conversion device (100) includes a power converter (11, 12), a relay (21, 22, 23, 24, 25), and a welding detector (30). The welding detector includes a first resistor (R301, R31, R32, R33) connected to a terminal of the relay on a first side, a capacitor (C101, C201, C11, C21, C41, C51, C61, C71, C81, C91) and a second resistor (R101, R201, R11, R21, R41, R51, R61, R71, R81, R91), both of which are connected to a terminal of the relay on a second side, an application unit (33) configured to apply an inspection signal to the relay via the capacitor and the second resistor, and a determiner (31) connected between the capacitor and the second resistor, the determiner configured to detect a signal based on application of the inspection signal by the application unit to determine whether or not the relay is welded.",
  "title": "POWER CONVERSION DEVICE"
}