230 kV optical voltage transducer using a distributed optical electric field sensor system
Why this work is in the frame
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Bibliographic record
Abstract
Optical technology for use in high-voltage (HV) environments has advanced considerably over the past decade. The design and testing of HV optical voltage transducers (OVTs) that use a series of small optical electric field sensors are described. Three 230 kV OVTs were built and were successfully tested as per IEC (60044-2 and -7), IEEE/ANSI C57.13, and BC Hydro internal specifications at Powertech Labs in Surrey, British Columbia, Canada. The devices met the accuracy requirements of IEC 0.2% class and IEEE 0.3% class and passed lightning impulse tests, chopped impulse tests, partial discharge tests, wet and dry power-frequency withstand tests, and mechanical withstand tests. Further tests showed that the OVTs maintained their calibrations in the presence of "substation-like" changes in local conductor geometry.
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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 | 0.000 |
| 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) | 0.001 | 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