Electrochemical Method on the Optimum Cathodic Protection Potential of Grounding Grid in High Resistivity Soil
Bibliographic record
Abstract
High resistivity soil may cause serious corrosion of substation grounding grid. The cathodic polarization curve and electrochemical impedance spectroscopy (EIS) of grounding grid metal at open circuit potential and different cathodic polarization potential were measured by electrochemical method. The method to determine the optimal cathodic protection potential (OCPP) of grounding grid in high resistivity soil was established. The result showed that the OCPP of Q235 steel was about -850 mV (vs. SCE), and the method was verified by immersion weight loss test. It is simple and feasible to use electrochemical method to study OCPP for cathodic protection of substation grounding grid, which is of great significance to prevent the corrosion of grounding grid, extend the service life of grounding grid and ensure the safe operation of grounding device.
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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) | 0.000 | 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) | 0.000 | 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".