Flashover characteristics of a hydrophobic surface covered by water
Bibliographic record
Abstract
Due to their hydrophobic properties, composite insulators have excellent anti-pollution flashover performance and have been widely used in power systems. For a better understanding of the flashover characteristics of a hydrophobic surface at wet conditions, the hydrophobic surface is covered with water droplets and water film, respectively, in this paper. The initiation and development of partial arc are observed by an ultrahigh-speed camera and the leakage current is also recorded. It is found that there exists a critical water proportion for a given dry band length and water volume conductivity. Beyond this water proportion, the partial arc does not necessarily lead to the flashover. On the contrary, flashover will take place right after the occurrence of partial arc. Furthermore, it is also found that when the water proportion is below the critical water proportion, the flashover voltage is barely related to the volume conductivity and the flashover voltage generally decreases with the increase of water volume and water droplet number. The results obtained are of great significance to understand the flashover process of hydrophobic surfaces.
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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) | 0.001 | 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".