MétaCan
Menu
Back to cohort
Record W1512613370 · doi:10.1109/intlec.1997.645915

Proposed standard for transients on the 48 V rail

2002· article· en· W1512613370 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

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicElectrical Contact Performance and Analysis
Canadian institutionsNortel (Canada)
Fundersnot available
KeywordsTransient (computer programming)WaveformConvertersTelecommunications equipmentComputer scienceField (mathematics)Reliability engineeringPower (physics)Fault (geology)Electronic engineeringElectrical engineeringEngineeringTelecommunicationsVoltage

Abstract

fetched live from OpenAlex

This paper addresses the transients that may be experienced on the -48 V rail, with the objective of establishing a practical transient waveform, suitable as a design requirement for the equipment providers and acceptable to the equipment users. After an introductory description of the transient phenomena that take place in the power distribution circuits when a short-circuit-type fault occurs, the paper reviews the parameters that determine the characteristics of the transients likely to occur in the field. Both experimental data and data produced by various telecommunications companies and standards organizations in their efforts to characterize and specify the transient requirements for their equipment are used to further characterize the transients. The paper then proposes a transient waveform suitable to serve as a common standard for the designer, the tester, and the equipment user. Further, the paper proposes an approach suitable for specifying the transient requirements imposed on the DC distribution and on the DC/DC converters or point-of-use power supplies fed by the DC distribution. The paper also proposes a test method suitable for verifying that the proposed standard is met. Comparing the advantages of using such a standard waveform and test method with the diversity of approaches currently in use, the paper concludes that a global standard that fully defines the interface between power equipment and telecommunication equipment must include a transient requirement and would directly and immediately benefit the global telecommunication industry.

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: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.685
Threshold uncertainty score0.732

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)0.0010.000

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 head0.017
GPT teacher head0.194
Teacher spread0.177 · 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