2013 IEEE 14th Workshop on Control and Modeling for Power Electronics (COMPEL) 2013

DOI: 10.1109/compel.2013.6626455

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Contactless power delivery for mobile device charging applications

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Hardware Circuit Implementation1

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“…The half-bridge inverter at the primary side generates ac waveform at controlled frequency to drive the resonant tank in order for the system to maintain resonant status [4]. At resonant frequency, the resonant tank receives the maximum current and the highest flux will be produced and coupled with the secondary coil.…”

Section: Hardware Circuit Implementationmentioning

confidence: 99%

Contactless power delivery for mobile device charging applications

¹

,

²

,

³

2014

2014 International Conference on Renewable Energy Research and Application (ICRERA)

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This paper investigates contactless power delivery for mobile charging application. The system uses electromagnetic induction principle to deliver power from primary coil to secondary coil which are separated by an air gap. In this work, a good methodology on coil design is used which achieves a high quality factor (Q) with value of over 1300 to be used in the resonant tank of the primary circuit. This significantly high Q value allows power to be transmitted over a larger distance with a highest system efficiency to reach above 73%. The maximum distance in which power can be transmitted is over 10cm at a coupling resonant frequency of 106kHz.

“…The half-bridge inverter at the primary side generates ac waveform at controlled frequency to drive the resonant tank in order for the system to maintain resonant status [4]. At resonant frequency, the resonant tank receives the maximum current and the highest flux will be produced and coupled with the secondary coil.…”

Section: Hardware Circuit Implementationmentioning

confidence: 99%

Contactless power delivery for mobile device charging applications

¹

,

²

,

³

2014

2014 International Conference on Renewable Energy Research and Application (ICRERA)

Self Cite

View full text Add to dashboard Cite

This paper investigates contactless power delivery for mobile charging application. The system uses electromagnetic induction principle to deliver power from primary coil to secondary coil which are separated by an air gap. In this work, a good methodology on coil design is used which achieves a high quality factor (Q) with value of over 1300 to be used in the resonant tank of the primary circuit. This significantly high Q value allows power to be transmitted over a larger distance with a highest system efficiency to reach above 73%. The maximum distance in which power can be transmitted is over 10cm at a coupling resonant frequency of 106kHz.

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