High Gain Non-isolated ZCS Current-fed Full-Bridge Partial Series Resonance Based Voltage Quadrupler for Fuel Cell Vehicles
Bibliographic record
Abstract
A transformer-less high-gain current-fed dc/dc converter topology is proposed, analyzed, and designed. Current-fed converter is boost derived topology and so offer natural voltage gain along with additional 4x gain owing to voltage quadrupler at the output. Natural commutation of the semiconductor devices is obtained by achieving their zero-current-switching (ZCS) turn-off through a resonance pulse developed by a series LC tank. It also supports the smooth voltage clamping of the semiconductor devices getting-rid-of the traditional snubber requirement to absorb the turn-off voltage spike across them. Variable frequency modulation with fixed duty cycle is adopted to obtain wide operating range ZCS operation of the devices. Simulation results at 500W are demonstrated to validate the converter operation while reporting an efficiency of 97.6% at full-load that is improved by 3.3% compared to the hard-switching 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) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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".