Simultaneous inter-area decoupling and local area damping by voltage source HVDC
Why this work is in the frame
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Bibliographic record
Abstract
The voltage-source converter (VSC) has 2 independent control degrees of freedom over P and Q (or P and V). Thus a high voltage DC (HVDC) transmission link based on VSCs (VSC HVDC) has 4 steady-state control freedoms. Of these, 2 are devoted to specifying and to coordinating the real power P through the DC link. This leaves one control freedom at each converter station to control the reactive power Q. Dynamically, the VSC-HVDC link has again 4 control freedoms based on the perturbation variables /spl Delta/P and /spl Delta/Q (or /spl Delta/P and /spl Delta/V). Through digital simulations, this paper shows that the two /spl Delta/Ps can de-couple the inter-area modes and each /spl Delta/V (or /spl Delta/Q) can simultaneously damp local modes within the area in which the converter station is situated. A mathematical proof for these capabilities is given in an appendix.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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