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A Prediction Interval Based Cascading Failure Prediction Model for Power Systems

2020· article· en· W3127949972 on OpenAlexaff
Mohamed Mahgoub, Seyed Mahdi Mazhari, C. Y. Chung, S.O. Faried

Bibliographic record

Venue2020 IEEE Electric Power and Energy Conference (EPEC) · 2020
Typearticle
Languageen
FieldEngineering
TopicPower System Optimization and Stability
Canadian institutionsUniversity of Saskatchewan
Fundersnot available
KeywordsBlackoutLoad SheddingPhasorElectric power systemComputer scienceInterval (graph theory)Cascading failureReliability engineeringArtificial neural networkEvent (particle physics)Prediction intervalData modelingPower (physics)Real-time computingControl theory (sociology)EngineeringArtificial intelligenceControl (management)Machine learningMathematics

Abstract

fetched live from OpenAlex

Power system blackouts result in massive supply interruptions leading to significant financial and societal losses. Since the majority of blackouts begin as a cascading failure (CF), early detection of this event can help stop the propagation of a single incident into a large-scale blackout. In this paper, a realtime load-based model for CF prediction is proposed. The developed method feeds phasor measurement units (PMU) data into a prediction interval (PI) neural network (NN) model reinforced with a data-fusion-based self-correction algorithm. The main contribution of the paper is that the model provides load shedding locations and prediction intervals regarding the expected blackout size so that the operator, or the automatic controller, can better react to the CF situation. The simulation results indicate that the proposed method is fast and accurate in predicting the size of the resulting blackout or load shedding following a CF.

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)0.000
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: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.990
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
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 head0.018
GPT teacher head0.196
Teacher spread0.178 · 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 designSimulation or modeling
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
Published2020
Admission routes1
Has abstractyes

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