A nonlinear control approach to increase power oscillations damping by means of the SSSC
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Bibliographic record
Abstract
Static series synchronous compensators (SSSC) have recently found applications in power oscillation damping (POD) improvement. Nonlinear dynamics associated with the SSSC's dc-link capacitor voltage, and effective interactions among its variables validate the use of nonlinear and multi-variable modeling and control techniques. A novel nonlinear input-affine multivariable model for a series connected SSSC with the transmission line is developed and formulated in this paper. Developing an affine model is a critical step in the design and implementation of many nonlinear and robust control approaches. Based on the proposed affine model, a feedback linearization nonlinear controller is introduced and used to improve the POD. Simulation results validate the feasibility of the proposed modeling and control approaches in maintaining the dc side capacitor voltage constant while effectively damp out power system oscillations. In addition, the zero dynamics of the system remains stable which means no deviation will occur in uncontrolled state variables.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it