Three-phase power API

Relates line/phase voltage and current for wye/delta and returns real, reactive and apparent power plus the phase angle (power triangle). Answers 'What is the kW and kVA of a 3-phase load?', 'What is the phase voltage in a wye connection?'.

Price$0.06per request

MethodPOST

Route/v1/electrical/three-phase-power

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

electricalthree-phasepowerkvakvarwyedeltapower-triangleapparent

API URLhttps://x402.hexl.dev/v1/electrical/three-phase-power

Integration docs

Example request

{
  "lineVoltageV": 480,
  "lineCurrentA": 100,
  "powerFactor": 0.8,
  "connection": "wye"
}

Example response

{
  "connection": "wye",
  "lineVoltageV": 480,
  "lineCurrentA": 100,
  "powerFactor": 0.8,
  "phaseVoltageV": 277.1281,
  "phaseCurrentA": 100,
  "realPowerW": 66510.751,
  "realPowerKW": 66.510751,
  "reactivePowerVAR": 49883.0633,
  "apparentPowerVA": 83138.4388,
  "apparentPowerKVA": 83.138439,
  "phaseAngleDeg": 36.8699,
  "formula": "S = sqrt(3)*VL*IL; P = S*pf; Q = S*sin(acos(pf))"
}

Input schema

{
  "type": "object",
  "required": [
    "lineVoltageV",
    "lineCurrentA",
    "powerFactor"
  ],
  "properties": {
    "lineVoltageV": {
      "type": "number",
      "examples": [
        480
      ]
    },
    "lineCurrentA": {
      "type": "number",
      "examples": [
        100
      ]
    },
    "powerFactor": {
      "type": "number",
      "examples": [
        0.8
      ]
    },
    "connection": {
      "type": "string",
      "enum": [
        "wye",
        "delta"
      ],
      "examples": [
        "wye"
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}