Calculate kVA for an inverter at given conditions

curl --request POST \
  --url https://api.plantpredict.terabase.energy/Inverter/kVA \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "status": 2,
  "model": "Sunny Highpower SHP150-US-20-PEAK3",
  "manufacturer": "SMA",
  "powerRated": 150,
  "apparentPower": 150,
  "minDCPowerThreshold": 100,
  "minVoltage": 855,
  "maxMPPVoltage": 1450,
  "maxAbsoluteVoltage": 1500,
  "maxCurrent": 180,
  "maxElevation": 100,
  "outputVoltage": 600,
  "usekVACurves": true,
  "usePQCurves": false,
  "dataSource": 2,
  "efficiencyCurves": [
    {
      "id": 29409,
      "voltage": 880,
      "efficiencyPoints": [
        {
          "id": 208781,
          "power": 14.8065,
          "efficiency": 98.71
        },
        {
          "id": 208782,
          "power": 29.715,
          "efficiency": 99.05
        },
        {
          "id": 208783,
          "power": 44.541,
          "efficiency": 98.98
        },
        {
          "id": 208784,
          "power": 74.22,
          "efficiency": 98.96
        },
        {
          "id": 208785,
          "power": 111.2713,
          "efficiency": 98.82
        },
        {
          "id": 208786,
          "power": 147.87,
          "efficiency": 98.58
        }
      ]
    },
    {
      "id": 29410,
      "voltage": 960,
      "efficiencyPoints": [
        {
          "id": 208787,
          "power": 14.808,
          "efficiency": 98.72
        },
        {
          "id": 208788,
          "power": 29.709,
          "efficiency": 99.03
        },
        {
          "id": 208789,
          "power": 44.559,
          "efficiency": 99.02
        },
        {
          "id": 208790,
          "power": 74.22,
          "efficiency": 98.96
        },
        {
          "id": 208791,
          "power": 111.2038,
          "efficiency": 98.76
        },
        {
          "id": 208792,
          "power": 147.78,
          "efficiency": 98.52
        }
      ]
    },
    {
      "id": 29411,
      "voltage": 1200,
      "efficiencyPoints": [
        {
          "id": 208793,
          "power": 14.712,
          "efficiency": 98.08
        },
        {
          "id": 208794,
          "power": 29.589,
          "efficiency": 98.63
        },
        {
          "id": 208795,
          "power": 44.415,
          "efficiency": 98.7
        },
        {
          "id": 208796,
          "power": 74.0325,
          "efficiency": 98.71
        },
        {
          "id": 208797,
          "power": 110.9898,
          "efficiency": 98.57
        },
        {
          "id": 208798,
          "power": 147.48,
          "efficiency": 98.32
        }
      ]
    }
  ],
  "kVACurves": [
    {
      "id": 10338,
      "elevation": 100,
      "kVAPoints": [
        {
          "id": 54563,
          "temperature": -25,
          "kVA": 150
        },
        {
          "id": 54564,
          "temperature": 50,
          "kVA": 150
        },
        {
          "id": 54565,
          "temperature": 50,
          "kVA": 150
        },
        {
          "id": 54566,
          "temperature": 60,
          "kVA": 127
        },
        {
          "id": 54567,
          "temperature": 62,
          "kVA": 0
        }
      ]
    }
  ],
  "pqCurves": [],
  "inverterType": 1,
  "id": 10373,
  "name": "SMA Sunny Highpower SHP150-US-20-PEAK3",
  "description": null,
  "companyId": 1042,
  "company": null,
  "ownerId": 8903,
  "createdDate": "2026-02-03T12:39:07.753",
  "lastModified": "2026-02-03T12:39:07.753",
  "lastModifiedById": 8903
}
'

{
  "kVa": 127
}