{
  "schema": "tvv320-field-plan-v1",
  "scope": "conditional teaching model; current assignments are not rated operating points",
  "mesh": {
    "arc_deg": 1,
    "edge_mm": 12.0,
    "copper_mm": 9.0,
    "iron_mm": 22.0,
    "gap_mm": 14.0,
    "outer_mm": 120.0
  },
  "cases": [
    {
      "id": "arc-1",
      "series": "arc",
      "theta_deg": 90,
      "currents_dqf_A": [
        -7000,
        12000,
        2920
      ],
      "coverage": false,
      "contour_samples": 0
    }
  ],
  "acceptance": {
    "flux_identity_relative": 1e-06,
    "flux_absolute_scale_Wb": 0.01,
    "energy_identity_relative": 1e-05,
    "energy_absolute_scale_J": 1.0
  },
  "convergence_targets": {
    "integrals_relative": 0.01,
    "torque_relative": 0.02,
    "flux_absolute_scale_Wb": 1.0,
    "energy_absolute_scale_J": 1000.0,
    "torque_absolute_scale_Nm": 10000.0
  },
  "note": "theta=90 degrees mapped by current-mapping.json; no P, U or cos(phi) target implied"
}