Built-in Circuit Redundancy and Fault-tolerant Operation of a New Multi-Mode Hybrid String Inverter/Rectifier Leg
Bibliographic record
Abstract
With ever-increasing growth of renewable energy and storage systems, the reliability and failure analysis of power electronic converters are becoming extensively crucial. Failure in semiconductor devices is considered to be the main source of the system failures and interruptions in power converters. In this paper, the built-in circuit redundancy and the open circuit fault tolerant operation of a new hybrid 6-switch string inverter/rectifier leg is analyzed. In the proposed circuit, the added diodes and low frequency switches allow the circuit to continue to deliver power to the load in case any switch experiences open circuit fault while enabling the converter to operate in different modes adding extra control in regulating the output voltage and preventing the switching frequency from going far away from the resonant frequency. The processor-in-the-loop (PIL) test results are given on a 1kW, 400VDC/700VDC system to highlight the fault-tolerant operation of the 6-switch based CLLC resonant 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 | 0.000 |
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".