Three-Phase Single-Stage Multiport AC-DC Converter with Integrated DC-DC Conversion Stages
Bibliographic record
Abstract
A new three-phase multiport AC-DC converter with integrated DC-DC conversion stages is introduced in this paper. The converter features one three-phase AC port and three DC ports: one AC port and one DC port are bidirectional, while the remaining two DC ports are unidirectional. The proposed converter is formed by combining three sub-converters: a buck DC-DC converter, a three-phase full-bridge DC-DC converter, and a three-phase six-switch AC-DC voltage source converter (VSC). All sub-converters share the same switches to operate as a single-stage converter. The converter ensures a unity power factor at the AC port and offers galvanic isolation at one of the DC ports. All ports can be independently controlled, except for one DC port. The proposed converter topology is straightforward, using only six active switches and requiring a standard control system for operation. Additionally, when used in a microgrid, this converter can eliminate the need for two other converters, significantly reducing both the size and complexity of the system. This paper defines the workings, characteristics, and control of the proposed converter. Additionally, scaled-down prototype experimental results are provided to validate the converter.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.005 | 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".