Table 2 Synchronous machine parameters
From: Fractional-order PI based STATCOM and UPFC controller to diminish subsynchronous resonance
Parameter | Value (per unit) | Time constant | Value (sec) |
|---|---|---|---|
\({\text{X}}_{\text{a}}\) | 0.130 | \({\text{T}}_{{{\text{d}}0}}^{ '}\) | 4.3 |
\({\text{X}}_{\text{d}}\) | 1.79 | \({\text{T}}_{{{\text{d}}0}}^{''}\) | 0.032 |
\({\text{X}}_{\text{d}}^{ '}\) | 0.169 | \({\text{T}}_{{{\text{q}}0}}^{ '}\) | 0.85 |
\({\text{X}}_{\text{d}}^{''}\) | 0.135 | \({\text{T}}_{{{\text{q}}0}}^{''}\) | 0.05 |
\({\text{X}}_{\text{q}}\) | 1.71 | ||
\({\text{X}}_{\text{q}}^{ '}\) | 0.228 | ||
\({\text{X}}_{\text{q}}^{''}\) | 0.200 |