Modulation and Control Schemes of Modular Three Phase FCC-CSC for High Power Applications
Bibliographic record
Abstract
The AC-type flying capacitor (FC) technique instead of device series connection is a promising way to increase the system voltage rating for current source converter (CSC) based high-power applications. Improved DC-link voltage with low dv/dt and reduced common-mode voltage (CMV) can be achieved with proper modulation and FC voltage control. Parallel connection of power converters, on the other hand, is a popular choice to increase the system's current rating for higher power applications. Moreover, supervisor harmonic performance can be achieved through interleaving operation with reduced need for passive filters. Modular FCC-CSC structure can combine these merits to achieve a higher power rating, and better DC- and AC-side quality. More importantly, the improved AC quality can in turn help the regulation of FC voltage. This paper discussed the modulation and control schemes of modular three-phase FCC-CSC, the space vector modulation (SVM) based FC voltage control, and DC-link current balance strategies are proposed. Experiment results verified the effectiveness of the proposed methods.
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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 | 0.000 |
| 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) | 0.002 | 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 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".