3-Phase Capacitor Bank Calculator

Capacitor Bank Calculations (IEEE Std 18): ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Phase Voltage: Wye: V_ph = V_LL / √3 Delta: V_ph = V_LL Capacitive Reactance: X_C = 1 / (2πfC) Phase Current: I_ph = V_ph / X_C = 2πfC × V_ph Reactive Power (per phase): Q_ph = V_ph × I_ph = 2πfC × V_ph² Total 3-Phase: Q_total = 3 × Q_ph Line Current: Wye: I_line = I_ph Delta: I_line = √3 × I_ph Effective Capacitance with Failed Elements: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Fuseless (shorted elements): C_eff = C_nom × S / (S - n_failed) where S = series groups Fused (open elements): Elements are distributed across series groups Each group: C_group = (P - k) / P × C_group_nom where P = parallel elements, k = failed in that group