{
  "schema": "tvv320-studies-v1",
  "cases": {
    "balanced": {
      "angles": 48,
      "positive_peak_A": 5000.0,
      "negative_peak_A": 0.0,
      "positive_phase_rad": -2.214297435588181,
      "negative_phase_rad": 0.0,
      "If_A": 2000.0,
      "eccentricity_mm": 0.0,
      "mesh": {
        "arc_deg": 1.0,
        "edge_mm": 6.0,
        "copper_mm": 4.5,
        "iron_mm": 11.0,
        "gap_mm": 3.5,
        "outer_mm": 60.0
      }
    },
    "unbalanced": {
      "angles": 48,
      "positive_peak_A": 5000.0,
      "negative_peak_A": 500.0,
      "positive_phase_rad": -2.214297435588181,
      "negative_phase_rad": 0.0,
      "If_A": 2000.0,
      "eccentricity_mm": 0.0,
      "mesh": {
        "arc_deg": 1.0,
        "edge_mm": 6.0,
        "copper_mm": 4.5,
        "iron_mm": 11.0,
        "gap_mm": 3.5,
        "outer_mm": 60.0
      }
    },
    "eccentric": {
      "angles": 48,
      "positive_peak_A": 5000.0,
      "negative_peak_A": 0.0,
      "positive_phase_rad": -2.214297435588181,
      "negative_phase_rad": 0.0,
      "If_A": 2000.0,
      "eccentricity_mm": 5.0,
      "mesh": {
        "arc_deg": 1.0,
        "edge_mm": 6.0,
        "copper_mm": 4.5,
        "iron_mm": 11.0,
        "gap_mm": 3.5,
        "outer_mm": 60.0
      }
    }
  },
  "spatial_samples": 180,
  "absolute_scale": 10000.0,
  "force_torque_relative": 0.02,
  "scope": "fixed positive sequence and excitation; negative sequence intentionally added; stator neutral isolated; 5 mm static eccentricity is a research variant, not an identified defect",
  "limits": "Quasistatic fields, no eddy-current loops, no rotor temperature. Equal positive sequence does not mean equal total RMS current or equal output power."
}