The hybrid power flow controller - a new concept for flexible AC transmission
Bibliographic record
Abstract
In this paper, two such topologies are presented. The first one consists of a shunt connected controllable source of reactive power, and two series connected voltage-sourced converters - one on each side of the shunt device. The second topology is a dual of the first; it is based on two shunt connected current-sourced converters around a series connected reactive compensator. In both cases the converters can exchange active power through a common DC circuit. Since both topologies make use of converters in addition to the (presumably existing) passive components, they can be regarded as hybrid, and the resulting FACTS controllers are thus named "hybrid power flow controllers", or HPFC. The analysis carried out that the HPFC offers performance characteristics similar to those of the UPFC. This paper presents some of the results. The rest of this paper is organized as follows. The HPFC topology that employs series VSCs is introduced. The steady state analysis is given and operating characteristics are derived. The dual topology, based on shunt connected current-sourced converters is presented
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".