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- Title
Inductive Power Transmission for Wearable Textile Heater using Series-None Topology.
- Authors
Kwon, Hyeokjin; Lee, Kang-Ho; Lee, Byunghun
- Abstract
In this paper, an inductive-power-transmission (IPT) system for a wearable textile heater is proposed to comfortably provide heating to a user's body. The conductive thread, which has high electrical resistance, was sewn into a receiver (Rx) coil on clothing to generate high temperature with a low current. The proposed wearable heaters are completely washable thanks to their nonmetallic materials, other than conductive threads in the clothing. We introduced series-none (SN) topology to eliminate a resonant capacitor in the wearable textile heater. A single resonant capacitor in a transmitter (Tx) in SN mode was implemented to resonate both Tx and Rx, resulting in increased power delivered to the load (PDL) while maintaining high-power transfer efficiency (PTE), comparable with conventional series-series (SS) topology. When the supply voltage of the power amplifier was 7 V, while the PTE of the SS and SN modes was 85.2% and 75.8%, respectively, the PDL of the SS and SN modes was 2.74 and 4.6 W, respectively.
- Subjects
INDUCTIVE power transmission; HEATING; NONMETALLIC materials; POWER amplifiers; TOPOLOGY; POWER transmission; HEATING equipment
- Publication
Electronics (2079-9292), 2020, Vol 9, Issue 3, p431
- ISSN
2079-9292
- Publication type
Article
- DOI
10.3390/electronics9030431