IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543

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kQ-product formula for multiple-transmitter inductive power transfer system
Quang-Thang DuongMinoru Okada
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JOURNAL FREE ACCESS Advance online publication

Article ID: 14.20161167

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Abstract

This paper formulates the maximum efficiency of multiple-transmitter inductive power transfer system in terms of system kQ-product. We show that the cross-coupling among transmitters does not affect the maximum efficiency. More importantly, the square of system kQ-product is equal to the sum of squares of kQ-products of individual transmitter-receiver links. This result provides an intuitive insight into the characteristics of system efficiency.

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