Adaptive wide-area primary frequency controller for improving power grid dynamic performance
Bibliographic record
Abstract
This paper discusses an adaptive wide-area primary frequency controller that improves the dynamic frequency behavior, and consequently overall stability of the power grid. The control scheme is based on wide-area measurement of frequency and rate of change of frequency at several buses in the system, processing the measured values, and modulating the reference voltage of the shunt connected Flexible AC Transmission Systems (FACTS) devices and Power System Stabilizers (PSSs). The control parameters are adaptively being tuned up on a real-time basis according to 1) the severity of the disturbance and 2) the way it affects the power system, which meaning the areas that have been more affected would make greater contribution to modulating the reference voltage signals. The building block of the controller is the Multi-functional Multi-band Power System Stabilizer (MF-MBPSS) technology. This type of advanced control, developed by Hydro-Quebec, is an evolution of the existing IEEE PSS4B type stabilizer that is capable of utilizing wide-area measurements available from Pharos Measurement Units (PMUs) or other devices. The performance of the proposed controller has been verified on the PSS/E model of the Eastern Interconnection which is being widely used for transmission planning and several other system studies in the state of New York.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
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".