Condition Assessment of Rotating Machine Winding Insulation by Analysis of Charging and Discharging Currents
Why this work is in the frame
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Bibliographic record
Abstract
In order to assess winding insulation condition, a field instrument measuring the charge and discharge current of rotating machine stator winding insulation under DC high-voltage was developed at Niroo Research Institute (NRI). This method that is known as PDCA (polarization and depolarization current analysis) was applied on the stator winding insulation of an 87 MW gas-turbine generator and results were compared with on-line partial discharge (PD) measurements. The results obtained from the presented method were found to be very compatible with partial discharge measurements and visual inspection of end-windings and the ability of the PDCA in assessing the condition of the ground-wall insulation was validated.
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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 | 0.000 |
| 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 it