Fault-Tolerant Operation of the DC/DC Modular Multilevel Converter Under Submodule Failure
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Bibliographic record
Abstract
This article proposes a tailored fault-tolerant operation strategy for the dc/dc modular multilevel converter (MMC) in the case of submodules (SMs) faults. The proposed strategy utilizes the unique characteristics of the dc/dc MMC to make the post-fault operation possible without the need of adding redundant SMs. These characteristics separate the fault-tolerant operation of the dc/dc MMC from the renowned dc/ac MMC and give the converter flexibility to function at different operating points. This feature allows the converter to reduce the number of SMs needed in each arm at the cost of degraded performance or reduced power transmission. The proposed strategy is investigated through three different case studies that are simulated in the MATLAB\Simulink environment. The obtained results confirmed the effectiveness of the proposed fault-tolerant operation strategy in keeping the converter operational despite several SMs faults.
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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 | 0.000 |
| 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 | 0.000 | 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 it