A Reduced Switch Multiport AC-DC Converter with Galvanically Isolated Auxiliary DC Port
Bibliographic record
Abstract
In this paper, a new reduced switch multiport AC-DC converter with a galvanically isolated auxiliary DC port is proposed for hybrid microgrid applications. The proposed single-stage architecture is formed by merging a bidirectional four-switch three-phase AC-DC voltage source converter (VSC) with two dual active half-bridge (DAHB) DC-DC converters, the primary side switches of which are shared with the VSC. The proposed bidirectional multiport converter is able to manage the power flow among three ports by adjusting the modulation index of sinusoidal pulse width modulation (SPWM) and the phase-shift angle. The converter achieves power factor correction (PFC) at the AC Port and all its switches can achieve soft-switching in continuous conduction mode (CCM). The proposed converter's operation, control and analysis are presented in this paper. Experimental results from a prototype that confirm the converter's viability are shown as well.
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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 | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 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".