Constant-Parameter Phase-Domain Synchronous Machine Modeling Considering Main Flux Saturation for EMTP-Type Solution
Bibliographic record
Abstract
The recently proposed state-of-the-art saturable voltage-behind-reactance (VBR) and phase-domain (PD) synchronous machine models offer improved numerical accuracy and stability compared to the classicalqd0 models in electromagnetic transient (EMT or EMTP)-type solution. However, these new models are interfaced with the external network through a variable-parameter (i.e., both rotor-position- and saturation-segment-dependent) interfacing circuit, necessitating refactorizing the entire system conductance matrix at each time step and hindering computational efficiency. This paper extends the previous work by proposing new saturable constant-parameter phase-domain (CPPD) synchronous machine models possessing constant interfacing circuits. The proposed CPPD models are demonstrated in MATLAB and PSCAD/EMTDC and have numerical accuracy similar to other state-of-the-art models while providing considerable computational savings.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 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 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".