Effect of regenerative load on a static transfer switch performance
Why this work is in the frame
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Bibliographic record
Abstract
A thyristor-based static transfer switch (STS) is used to connect an alternate source of AC power to a sensitive load when the main source fails. A main criterion for performance evaluation of a STS is the transfer time from the main to the alternate source. The transfer time depends upon the commutation process of the outgoing and incoming switches which in turn depends on the system parameters and the load characteristics. This paper investigates the effect of a regenerative load on the transfer time/total load-transfer time of a STS and identifies the worst case scenario(s) in which maximum transfer time occurs. The IEEE STS benchmark models STS-1 and STS-2 are chosen to demonstrate the STS performance under various fault/disturbance conditions in a medium-voltage distribution system and a low-voltage experimental set-up system. The simulations are performed using the PSCAD/EMTDC package. The paper shows that a hybrid load can operate in regenerative mode depending on the load parameters and fault/disturbance characteristics.
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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) | 0.000 | 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