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Efficiency improvement for magnetic resonance based wireless power transfer with axial-misalignment

Efficiency improvement for magnetic resonance based wireless power transfer with axial-misalignment

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Presented is an adaptive method to improve the efficiency of wireless power transfer systems with axial-misalignment. With an impedance matching circuit, the system performance increases by 11.4% with 50% misalignment at a distance of 70 cm. The proposed system achieves 48.4% relative efficiency improvement compared to a system without the proposed technique for the axial-misalignment case.

References

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      • Tesla, N.: US patent 1,119,732, (1914).
    2. 2)
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      • D.M. Pozar . (1990) Microwave engineering.
http://iet.metastore.ingenta.com/content/journals/10.1049/el.2012.0012
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