Research Article
Wide-Area Damping Controller Design Based on the Frequency Domain Self-Excitation Method
Table 5
Interarea oscillation frequency and damping ratio for system under control.
| Operation mode | eigenvalue | frequency | Damping ratio |
| P=150MW | -0.6208+3.5014i | 0.5573 | 0.1746 | P=200MW | -0.4446+3.9169i | 0.6234 | 0.1128 | P=300MW | -0.4082+3.6602i | 0.5825 | 0.1108 |
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