Name
Abstract | ||
|---|---|---|
This paper shows how to choose compensation capacitors for optimal performance in two-coil fixed-frequency inductive wireless power links having a series-parallel (SP) configuration. First, for the SP circuit with given coils, coupling and sinusoidal input voltage, it is shown how to calculate nonnegative valued capacitors to maximize power delivered to a given resistive load. Exact conditions for such a compensated system to deliver the maximum power obtainable from a circuit with the same resistances and an ideal transformer with optimal turns ratio are presented. The second main contribution is a method for selecting compensation capacitors to maximize a weighted sum of efficiency and delivered power to obtain a trade-off between these two quantities. This can allow flexible performance with a given set of coils. All of this can be implemented without numerical optimization software. The results are illustrated by numerical examples and supported by experimental measurements. |
Year | DOI | Venue |
|---|---|---|
2015 | 10.1109/TCSI.2014.2386771 | Circuits and Systems I: Regular Papers, IEEE Transactions |
Keywords | Field | DocType |
capacitors,inductive power transmission,sp circuit,sp configuration,compensation capacitors,nonnegative valued capacitors,series-parallel configuration,two-coil fixed-frequency inductive wireless power links,impedance matching,optimization,impedance,couplings,wireless communication,tuning | Wireless,Capacitor,Coupling,Filter capacitor,Control theory,Voltage,Transformer,Electronic engineering,Software,Maximum power principle,Mathematics | Journal |
Volume | Issue | ISSN |
62 | 3 | 1549-8328 |
Citations | PageRank | References |
4 | 0.55 | 14 |
Authors | ||
2 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Mark E. Halpern | 1 | 13 | 2.24 |
| David Ng | 2 | 27 | 3.12 |