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- Title
Transmitter coil system without ferrite in wireless power transfer.
- Authors
Eonsu Noh; Kwang Hee Ko; Kangwook Kim
- Abstract
A transmitter (Tx) coil system without ferrite was designed and fabricated for use in wireless power transfer (WPT) based on magnetic induction. The Tx coil system consists of an active coil, which is directly connected to the source, and a parasitic coil, which replaces the ferrite. The effects of the parasitic coil parameters, i.e. size, number of turns, and distance from the active coil, on the WPT performance were investigated in terms of the utility value, which was developed based on the power transmission efficiency and shielding effectiveness. The proposed Tx coil system was fabricated, and its performance was measured. The measured results show that the proposed Tx coil system performs better than a conventional Tx coil in terms of the utility value.
- Subjects
TRANSMITTERS (Communication); WIRELESS power transmission; FERRITE filters; POWER transmission; BIOCOMPATIBILITY
- Publication
Electronics Letters (Wiley-Blackwell), 2016, Vol 52, Issue 5, p362
- ISSN
0013-5194
- Publication type
Article
- DOI
10.1049/el.2015.3820