High-Gain Single-Stage Single-Phase Common-Ground Buck–Boost Inverter
Bibliographic record
Abstract
This article presents a single-phase common-ground coupled inductor-based nonisolated inverter with a voltage boost in a single stage. The proposed inverter can also do buck (step-down) operation. The common ground nature of the proposed inverter eliminates leakage current flow between the source and the load. Leakage current flow in converters increases current and voltage harmonics, electromagnetic noise, safety concerns, and reduces efficiency. The proposed inverter adopts a lower number of components, contributing to reducing cost, and providing a compact design. Two <sc xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">mosfet</small> switches operate at the line frequency of 60 Hz, reducing the total switching losses. Only one high-frequency switch operates in both half cycles of the output voltage. There are fewer components in a conduction loop, reducing overall power losses and improving efficiency. The voltage boost, common ground, and lesser components features make the proposed inverter appropriate for renewable energy applications such as PV-grid-connected systems which generate power at low voltages. The inverter's intricate modes, operational principles, pulsewidth modulated strategy, and power loss breakdown are elucidated. With a 50-kHz switching frequency and an input dc voltage of 50 V, an output voltage of 110 Vrms is obtained. Experiments were carried out on a 400 W laboratory prototype. Results obtained from the experiments affirm the effectiveness of the proposed inverter.
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How this classification was reachedexpand
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 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".