Control of doubly fed induction generator in standalone wind energy conversion system
Bibliographic record
Abstract
This paper presents control of a doubly fed induction generator (DFIG) in a standalone wind energy conversion system (SWECS) to feed three-phase four-wire consumer loads. The voltage and frequency controller (VFC) is implemented using two voltage source converters (VSC's) for a DFIG based SWECS. Two VSCs share common DC link and it is supported with battery energy storage system (BESS). The rotor-side converter (RSC) is controlled in field oriented mode to keep the stator terminal voltage, its frequency is regulated and to achieve maximum power point tracking (MPPT). The speed of a DFIG is estimated for sensor-less control. The stator-side converter (SSC) controls the stator currents to minimize stator winding losses. Furthermore, it also ensures load leveling, load balancing and harmonics elimination. In-between SSC and point of common coupling (PCC) a star-delta transformer is used to compensate neutral current and to facilitate suitable choice on DC-link BESS voltage. The proposed VFC for a SWECS is extensively investigated under varying speeds and loads.
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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".