Analysis and design of load independent ZPA operation for P/S and PS/S tank networks in IPT applications
Bibliographic record
Abstract
This paper proposes a new design of compensation capacitors for two resonant Inductive power transfer (IPT) topologies to obtain load independent zero-phase-angle (ZPA) operation at inverter output. Parallel tank network is used in the primary side to achieve high quality IPT coil current, lower inverter switch current stress and zero-voltage-switching (ZVS) of inverter devices. Conventional design techniques of these IPT topologies ensures ZPA operation for a specific load impedance only i.e. the ZPA operation is load dependent. Therefore, either the operating inverter switching frequency or the compensation capacitors are required to be modified dynamically to reach new ZPA point. In this proposed design both the primary and secondary tank capacitors are designed such that this ZPA point is always maintained irrespective of load variation. This design is based on passive selection of circuit parameters, thereby making is suitable for practical use. Detail mathematical analysis is reported and experimental results obtained from a 1 kW lab-prototype are demonstrated to verify the analysis and performance.
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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 | 0.001 | 0.001 |
| 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".