Control of capacitor commutated converters in long cable HVDC-transmission
Why this work is in the frame
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Bibliographic record
Abstract
HVDC transmission over long distances is becoming more common, partly due to the deregulated environment in the electricity industry. The capacitor commutated converter (CCC) is a new type of HVDC converter topology which shows promise for use in long distance transmission via cables. This technology is, thus, a potential candidate for use in HVDC transmission across large bodies of water. Several HVDC-connections with cable lengths of about 600 km are currently in the planning stage in Northern Europe. This paper proposes two possible control options for such extremely long cable HVDC-connections. The suitability of these control alternatives in a CCC-inverter based HVDC-scheme terminating in a weak AC-network, is investigated using electromagnetic transient simulation.
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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 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 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