Type-III Wind Power Plant Harmonic Emissions: Field Measurements and Aggregation Guidelines for Adequate Representation of Harmonics
Why this work is in the frame
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Bibliographic record
Abstract
Large wind power plants (WPPs) based on variable speed turbines produce harmonics and interharmonics of voltage and current. This paper presents some generic guidelines about resulting harmonics and interharmonics at the high voltage point of interconnection (POI) of a type-III WPP. These guidelines are supported by both field measurements and time-domain electromagnetic transient (EMT) simulations. Specific focus is placed on how these harmonics and interharmonics can be represented in EMT simulation using detailed and aggregated models of a WPP. First, a theoretical explanation of the origin of all frequencies produced by a type-III wind generator (WG) is presented. The results of field measurements from a large WPP are then reported and analyzed confirming the theory. Subsequently, the field measurements are compared to simulation results of a detailed EMT model of the entire WPP and differences are explained. Finally, aggregated models of the same WPP are established and the accuracy of these aggregated models is discussed in light of the specific need of time-domain EMT studies that require adequate representation of harmonics.
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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 it