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Record W4286582034 · doi:10.1109/ojpel.2022.3193058

Offline-Based SVM Techniques to Reduce Common-Mode Voltage of Six-Phase Cascaded-CSI

2022· article· en· W4286582034 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 Open Journal of Power Electronics · 2022
Typearticle
Languageen
FieldEngineering
TopicMultilevel Inverters and Converters
Canadian institutionsMcMaster University
Fundersnot available
KeywordsCommon-mode signalSpace vector modulationSupport vector machineComputer scienceConvertersModulation (music)Electronic engineeringPower electronicsPower (physics)VoltageModulation indexControl theory (sociology)EngineeringPulse-width modulationArtificial intelligenceElectrical engineeringPhysics

Abstract

fetched live from OpenAlex

In this paper, space vector modulation (SVM) techniques are developed to operate the six-phase current-source inverters (CSI) while reducing the common-mode voltage (CMV) content associated with the switching of semiconductors. The CMV issue is a severe issue of high-power electronics converters that causes damage to electric drives and shortens their life span. Since the null states are the main contributor to CMV in SVM schemes, an optimum offline selection method is proposed in this paper for all the presented techniques. The SVM techniques discussed in this proposal are built on the renowned vector space decomposition (VSD) method. The modulation in all the techniques is based on studying the resultant CMV associated with all the possible switching states and then selecting the states that produce the lowest magnitude of CMV. Accordingly, the optimum sequences for the switching patterns are introduced, and the utilization of the dc-link current for each scheme is analyzed. A quantitative comparison is conducted to evaluate all the proposed schemes in the generated CMV in peak and RMS values versus the modulation index and load power factor range. A laboratory prototype is presented, and the experimental results to validate the proposals are illustrated with a detailed discussion.

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)0.001
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: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.124
Threshold uncertainty score0.926

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
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 head0.016
GPT teacher head0.307
Teacher spread0.291 · 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