Wireless transfer of electric power
Name
495362774-MIT.pdf
Description
Full printable version
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13.8 MB
Format
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Checksum (MD5)
309fedeacdf632e2f4b1e36a74842e4f
Author(s)
Moffatt, Robert Alexander
Advisor(s)
Marin Soljacic.
Date Issued
2009
Publisher
Massachusetts Institute of Technology
Abstract
In this dissertation, I describe the design and construction of a system which can transfer electric power wirelessly. This is accomplished using inductive, near-field, non-radiative coupling between self-resonant copper helices. In our first experiment, we transfered 60W of power over a distance of 2m with 45% efficiency. In our second experiment, we designed a system which can transfer power from a single source to two devices, each 2m away, with 60% total efficiency. We also developed a quantitative model of our helical resonators which predicted the resonant frequency with an accuracy of 5%.
Description
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2009.
Includes bibliographical references (leaf 49).
Subjects
Physics.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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