Table 1 Phase increase in input impedance at the Oscillation frequency under different time constants
From: Impedance shaping based stabilization control method for DC Micro-grid Feed-forward compensation
τ | Phase at oscillation frequency | Degree of phase enhancement | Stability |
|---|---|---|---|
τ = 1e-3 | −135° | 45° | Unsteady |
τ = 6e-3 | −84.5° | 95.5° | Steady |
τ = 8e-3 | −80.6° | 99.4° | Steady |
τ = 10e-3 | −77.6° | 102.4° | Steady |
τ = 15e-3 | −74° | 106° | Steady |
