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Article | REF: D3237 V1

Contactless Induction Energy Transfer Systems for Medium Power Applications

Authors: Jean-Paul FERRIEUX, Gérard MEUNIER, Benoît SARRAZIN, Alexis DERBEY

Publication date: May 10, 2018

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1. Context

1.1 Remote power transmission techniques

Remote energy transfer techniques can be classified into different categories, depending on the distance from the source, relative to the wavelength λ. A distinction is made between near-field and far-field techniques. When the distances to be covered are small compared with λ, energy transfer takes place under near-field conditions. Conversely, when the distances to be covered are very large compared with λ, energy transfer takes place under far-field conditions. There is also an intermediate zone, called the transition zone, in which the electromagnetic (EM) field exhibits both near-field and far-field characteristics.

A distinction is made between three non-contact energy transfer techniques, within which one or more...

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