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Performance comparison of various LFC controllers.
| Type of LFC controller | Negative peak overshoot | Frequency variations | Settling time | ||
|---|---|---|---|---|---|
| pu | Hz | Pu | Hz | Sec | |
| No controller | 0.0307 | 1.535 | 0.0235 | 1.175 | 4.65 |
| Proposed controller | 0.0379 | 1.895 | 0 | 0 | 1.98 |
| FFA controller26 | 0.0380 | 1.90 | 0 | 0 | 4.50 |
| ZN controller | 0.05665 | 2.842 | 0 | 0 | 1.51 |
