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Record W2907323431 · doi:10.1109/tsg.2019.2890817

Investigation and Assessment of Stabilization Solutions for DC Microgrid With Dynamic Loads

2019· article· en· W2907323431 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.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueIEEE Transactions on Smart Grid · 2019
Typearticle
Languageen
FieldEngineering
TopicMicrogrid Control and Optimization
Canadian institutionsUniversity of Alberta
FundersCanada First Research Excellence Fund
KeywordsMicrogridIntegratorVoltage droopControl theory (sociology)ConvertersElectric power systemEngineeringNonlinear systemDynamic simulationControl engineeringPower (physics)Computer scienceVoltageVoltage regulatorSimulationControl (management)Electrical engineering

Abstract

fetched live from OpenAlex

Several studies have been conducted to investigate the interaction dynamics of direct current (dc) microgrids supplying tightly regulated converters, which behave as constant power loads (CPLs). However, the presence of loads with open-loop control or of small closed-loop bandwidth (dynamic loads) in dc microgrids have not been studied to date. To fill this gap, this paper presents a comprehensive stability assessment of a dc microgrid with a high penetration level of dynamic loads. Unlike CPLs, it has been found that dynamic loads would dramatically affect the overall system stability margin at low-power demand than at rated power condition. Therefore, three solutions are proposed to mitigate the stability problems considering different operating and installation scenarios that a system integrator/designer may encounter. Moreover, the impact of system uncertainties, such as dc feeder length, bus capacitance, and the droop controllers, on system stability with/without the stability enhancement methods, is thoroughly addressed. Time-domain simulation studies based on nonlinear models are conducted to validate the analytical results. Furthermore, hardware-in-loop real-time simulation studies demonstrate the feasibility of the hardware implementation.

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 score0.775
Threshold uncertainty score0.513

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 head0.010
GPT teacher head0.211
Teacher spread0.201 · 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