Diagnosis of Multiple Defects Within Large Hydroelectric Generator Using Stray Flux and Air Gap (Distance and Flux) Measurements
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Bibliographic record
Abstract
This paper presents the analysis of both stray and air gap magnetic flux measurements within large hydroelectric generators. The study demonstrates the similarities and differences between these two types of measurements when used in the development of diagnosis and remedial strategies. The radial and tangential components of the stray flux are also shown at different measurement locations around the hydroelectric generators. The measurement approach employed in this study was able to detect electrical and mechanical failure mechanisms in hydroelectric generators such as rotor eccentricity (static or dynamic), rotor ellipticity and interturn short circuit (ITSC)in the rotor windings (Bernier et al. 2023). The approach was validated using measurements taken within nine large hydroelectric generators operating at different powers and load conditions.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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