Double-sided LCC compensation method for wireless power transfer
US9789777B2 · kind B2 · utility
3Cited by
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15Claims
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Key dates
| Filing date | Jul 10, 2014 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Nov 20, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A double-sided LCC compensation network and a tuning method are proposed for a wireless power transfer system. With the proposed topology, the resonant frequency is independent of coupling coefficient and load conditions. The parameter values are tuned to realize zero voltage switching (ZVS) for the sending side switches. A wireless charging system with up to 7.7 kW output power was designed and built using the proposed topology and achieved 96% efficiency from DC power source to battery load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.