IEEE 18-2012 · CEI 60871-1 · IEEE C37.012 · IEEE 519-2014
IEEE 18-2012 · CEI 60871-1 · IEEE C37.012 · IEEE 519-2014| Formula | Standard | Description |
|---|---|---|
| Q_c = P·(tan φ₁ − tan φ₂) | IEEE 18-2012 §5 | Required reactive compensation |
| C = Q / (2π f V²) | IEEE 18-2012 §4.3 | Capacitance per phase |
| V_rated ≥ 1.10 × V_sys | IEC 60871-1 §5.2 | Voltage rating uplift for harmonics |
| I_cont ≤ 1.30 × I_n | IEC 60871-1 §10.2 | Continuous overcurrent overload limit |
| h_r = √(S_sc / Q_cap) | IEEE 519-2014 | Parallel resonance harmonic order |
| I_inrush = V_LN · √(C/L_sys) | IEEE C37.012 §5 | Isolated bank inrush current peak |
| ΔV% ≈ Q·X_sys / V² | IEEE 1036 §7.2 | Voltage rise at PCC |