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  "failed": 0,
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      "passed": 8
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    "boundary": {
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      "passed": 5
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  "internally_reviewed": false,
  "review_kind": "expert",
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  "reviewer_role": "electrical-engineer",
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  "assumptions": [
    "Balanced three-phase when √3 (L-L) mode is selected.",
    "Voltage and current are RMS for AC.",
    "Power factor is not applied — conversion is from apparent power already."
  ],
  "limitations": [
    "Not for unbalanced three-phase",
    "Not for line-to-neutral as a separate UI mode",
    "No power factor on apparent path",
    "V>0 hard — VOLTAGE_MUST_BE_POSITIVE"
  ],
  "boundary_conditions": [
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    "No power factor on this apparent-power path (usePf=false)",
    "Zero kVA yields 0 A — soft boundary"
  ],
  "sources": [
    {
      "title": "IEC 60050 — International Electrotechnical Vocabulary",
      "section": "Apparent power (IEV 131-11-41)",
      "url": "https://www.electropedia.org/iev/iev.nsf/display?openform&ievref=131-11-41",
      "supports": "S = U × I definition of apparent power; unit volt-ampere (VA). kVA is the same quantity at 10³ scale. This conversion uses S and RMS voltage, not power factor.",
      "kind": "standard",
      "accessed": "2026-09-05",
      "clause": "IEV 131-11-41"
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    {
      "title": "IEEE Std 1459-2025",
      "section": "Apparent power to current conversion",
      "url": "https://standards.ieee.org/ieee/1459/7578/",
      "supports": "1φ I = 1000·S/V; 3φ L-L I = 1000·S/(√3·V)",
      "kind": "standard",
      "accessed": "2026-09-05",
      "publisher": "IEEE",
      "published": "2025-05-16",
      "errata_checked": true
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    {
      "title": "BIPM SI Brochure (9th edition, version 4.01)",
      "section": "SI base and derived units for ampere, volt, and power",
      "url": "https://www.bipm.org/en/publications/si-brochure",
      "supports": "V, A, and VA unit relationships; kilo (k) = 10³ for kVA",
      "kind": "reference",
      "accessed": "2026-09-05",
      "published": "2026-06",
      "doi": "https://doi.org/10.59161/AUEZ1291"
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    {
      "title": "NIST Guide to the SI (SP 811)",
      "section": "Ampere and derived power units",
      "url": "https://www.nist.gov/pml/special-publication-811",
      "supports": "V, A, and VA unit relationships",
      "kind": "reference"
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      "tol": 0.02
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      "tol": 1e-12
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      "expectError": "VOLTAGE_MUST_BE_POSITIVE",
      "code": "VOLTAGE_MUST_BE_POSITIVE",
      "error": "V must be greater than zero"
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      "id": "roundtrip",
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      "expect": 25,
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        "phase": "two"
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