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Record W2073828015 · doi:10.1109/epec.2012.6474934

A secure generator distance phase backup protection setting for enhancing generator overexcitation thermal capability during system disturbances

2012· article· en· W2073828015 on OpenAlexaff
Mohamed Elsamahy, S.O. Faried, T.S. Sidhu

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicPower Systems Fault Detection
Canadian institutionsWestern UniversityUniversity of Saskatchewan
Fundersnot available
KeywordsBackupRelayGenerator (circuit theory)Computer scienceLimiterElectrical engineeringControl theory (sociology)Power (physics)EngineeringTelecommunicationsPhysics

Abstract

fetched live from OpenAlex

In this paper, investigations are carried out to explore the impact of generator distance phase backup protection (Relay (21)) on the generator overexcitation thermal capability. These investigations have included the performance of Relay (21) when it is set to provide thermal backup for the generator during two common system disturbances, namely a system fault and a sudden application of a large system load while the overexcitation limiter (OEL) is in service. The results of these investigations have shown that the current setting of Relay (21) for generator thermal backup protection restricts the overexcitation thermal capability of the generator. Such a restriction does not allow the generator to supply its maximum reactive power during such events. The paper highlights the need for conducting in-depth dynamic stability studies to evaluate the existing setting of the generator distance phase backup protection relay in order to allow the generator to fulfill the system requirements during major disturbances to ensure adequate level of voltage stability.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.378
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.008
GPT teacher head0.228
Teacher spread0.220 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations3
Published2012
Admission routes1
Has abstractyes

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