Master-Slave Control of Parallel-Operated Interfacing Inverters Based on Wireless Digital Communication
Bibliographic record
Abstract
Parallel-operated inverters with common dc and ac bus can be used as interface of PV system connecting to public ac grid. This paper presents a parallel-operated gird-tied inverter system with master-slave current-sharing control based on wireless digital communication. Firstly, the proposed master-slave control scheme is introduced. Current reference of slave modules are all given by the master module through wireless digital communication. Thus the load can be evenly shared among the modules and dc link voltage can be regulated by the sole voltage controller in master module. Secondly, the influence of communication delay and zero-order-hold on the parallel-operated inverter system is analyzed. And a design criteria to reduce the influence of wireless digital communication is studied and determined. Performance of proposed control structure and design criteria are experimentally verified. With the proposed structure, the parallel inverter system is robust, the voltage regulation and load sharing are achieved, with improved modularity and operation flexibility.
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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".