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Record W2999375771 · doi:10.1109/tia.2020.2964594

Instability detection and prevention in smart grids under asymmetric faults

2020· article· en· W2999375771 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueIEEE Transactions on Industry Applications · 2020
Typearticle
Languageen
FieldEngineering
TopicPower System Optimization and Stability
Canadian institutionsBrandon University
Fundersnot available
KeywordsElectric power systemReliability engineeringGenerator (circuit theory)Computer scienceCountermeasurePower-system protectionStability (learning theory)Power (physics)Control theory (sociology)Engineering

Abstract

fetched live from OpenAlex

Due to their unbalanced nature, asymmetrical faults usually have an adverse impact on power systems in comparison with symmetrical faults. In this article, we propose a methodology to detect and prevent instability due to asymmetrical faults based on multiple intervals in renewable integrated power grids (RIPGs). The proposed technique uses stability indicators, which are determined in real time to define a criterion for asymmetrical faults based on multiple intervals in RIPGs. Sensitivities related to these stability indicators are then determined to identify the most influential critical nodes for suitable countermeasure applications in RIPGs. To enhance the processing speed, a power system network evaluates only those critical nodes which are detected through a self-propagation graph, thus rooting the network operators straight to a vulnerable generator. For optimal assessment of the proposed countermeasures, such as operating of spinning reserves, a detailed stability analysis is performed. The proposed methodology detects critical nodes with high accuracy and also provides suitable countermeasures to prevent a large RIPG from the effects of asymmetrical faults.

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.

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)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.930
Threshold uncertainty score0.678

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
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 head0.023
GPT teacher head0.244
Teacher spread0.221 · 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