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Article

Inductive Power Transmission for Wearable Textile Heater using Series-None Topology

1
Department of Electrical Engineering, Incheon National University, Incheon 22012, Korea
2
Daegu Research Center for Medical Devices and Rehab Engineering, Korea Institute of Machinery and Materials, Daejeon 42994, Korea
*
Authors to whom correspondence should be addressed.
Electronics 2020, 9(3), 431; https://doi.org/10.3390/electronics9030431
Received: 10 February 2020 / Revised: 25 February 2020 / Accepted: 2 March 2020 / Published: 4 March 2020
(This article belongs to the Special Issue Wireless Power/Data Transfer, Energy Harvesting System Design)
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. View Full-Text
Keywords: wearable heater; inductive-power transmission; textile coil wearable heater; inductive-power transmission; textile coil
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MDPI and ACS Style

Kwon, H.; Lee, K.-H.; Lee, B. Inductive Power Transmission for Wearable Textile Heater using Series-None Topology. Electronics 2020, 9, 431. https://doi.org/10.3390/electronics9030431

AMA Style

Kwon H, Lee K-H, Lee B. Inductive Power Transmission for Wearable Textile Heater using Series-None Topology. Electronics. 2020; 9(3):431. https://doi.org/10.3390/electronics9030431

Chicago/Turabian Style

Kwon, Hyeokjin, Kang-Ho Lee, and Byunghun Lee. 2020. "Inductive Power Transmission for Wearable Textile Heater using Series-None Topology" Electronics 9, no. 3: 431. https://doi.org/10.3390/electronics9030431

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