Fundamental frequency coupling between HVAC and HVDC lines in the Quebec-New England multiterminal system-comparison between field measurements and EMTDC simulations
Bibliographic record
Abstract
Fundamental frequency coupling between HVAC and HVDC lines has been investigated through actual field measurements in the Quebec-New England multiterminal HVDC power system. These are the first field measurements which clearly exhibit the fundamental frequency coupling. The measurements covered the sections of interaction located along the Radisson-Des Cantons part (approximately 1120 km long) of the HVDC transmission line. In these sections, the distances between the AC and DC lines do not exceed 1.5 km. During the field measurements, the recorded fundamental frequency currents in the DC line ranged between 1.05 and 1.20 A RMS. An EMTDC computer model of the coupling phenomenon has been developed and validated based on these measurements. This article presents the computer model and the results of the validation.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".