Direct power control with common mode voltage reduction of grid‐connected three‐level NPC inverter
Why this work is in the frame
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Bibliographic record
Abstract
This paper proposes three new direct power control (DPC) algorithms which minimise the variation of the common mode voltage (CMV) provided by a transformerless grid‐connected three‐level neutral point clamped (3L‐NPC) inverter. The proposed techniques make use of three reduced switching tables designed with the aim to control the active and reactive powers and to minimise the variation of the CMV. The first switching table uses large, medium and zero vectors of the space vector diagram; it is therefore named large medium zero vectors DPC. The second table uses the medium and zero vectors. It is referred to as medium zero vectors DPC. The third one namely medium vectors DPC, uses only medium vectors. Numerical simulations and experimental tests carried out on a laboratory prototype of the 3L‐NPC inverter confirm the feasibility and effectiveness of the proposed algorithms.
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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