SSR mitigation in wind farm connected to series compensated transmission line using STATCOM
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Bibliographic record
Abstract
Series compensation is being increasingly considered for increasing transmission capacity for integration of large wind farms. This paper presents the potential of subsynchronous resonance (SSR) in large squirrel cage induction generator based wind farms connected to the series compensated transmission line. In order to suppress the unstable SSR oscillations, a STATCOM with suitable controller is proposed at the terminal of the wind farm. A detailed linear state space model is developed for the wind farm, transmission system which is a modified IEEE First SSR Benchmark system and the STATCOM. Eigenvalues are calculated for a wide range of wind farm power outputs and series compensation levels. The potential of SSR involving both induction generator effect and torsional interaction is investigated in-depth. The eigenvalues obtained from the linear state space model are validated through the electromagnetic transient simulation carried out with PSCAD/ EMTDC software. It is shown that SSR may potentially occur for large wind farms at higher level of series compensation which can be mitigated by the STATCOM with an appropriate controller.
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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 | 0.000 | 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