{
  "$type": "site.standard.document",
  "description": "A current estimating device that estimates a capacitor current of a high-voltage circuit for driving a motor, wherein the current estimating device calculates a voltage utilization rate using the input voltage of an inverter included in the high-voltage circuit and the speed of the motor…",
  "path": "/patents/1291083",
  "publishedAt": "2021-05-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60H1/3225",
    "MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD."
  ],
  "textContent": "A current estimating device that estimates a capacitor current of a high-voltage circuit for driving a motor, wherein the current estimating device calculates a voltage utilization rate using the input voltage of an inverter included in the high-voltage circuit and the speed of the motor, calculates a first constant by applying the voltage utilization rate to a predetermined first arithmetic expression, and calculates the capacitor current of an electrical condenser included in the high-voltage circuit by multiplying the first constant by a motor current effective value.",
  "title": "CURRENT ESTIMATING DEVICE, ELECTRIC COMPRESSOR, CURRENT ESTIMATING METHOD, AND MOTOR CURRENT EFFECTIVE VALUE ESTIMATING METHOD"
}