Field-Oriented Control of a Three-Phase Wireless Power Transfer System Transmitter
Bibliographic record
Abstract
This paper presents a method of designing a three-phase wireless power transfer (WPT) transmitter analogous to the stator windings of a three-phase, two-pole electrical machine. A method of deriving the required transmitter coil currents based on lateral receiver misalignment is presented, wherein the transmitter currents are decomposed into direct and quadrature axis components. This decomposition simplifies the derivation of the transmitter currents required to minimize copper losses for a wide range of receiver misalignment by reorienting the transmitter magnetic field toward the receiver. Based on the required transmitter current, the required series compensation capacitors and transmitter voltage sources needed for unity power factor operation are calculated. Simulation results are shown for a 3.3-kW system utilizing a receiver-side voltage-doubling rectifier and 300-V battery. Finally, experimental results on a 1-kW prototype are shown, where a coil efficiency of 95.17% at perfect receiver alignment and 90.52% at 20-cm lateral misalignment was measured.
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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 | 0.000 | 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".