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Data for the figures in Smart Textile Based Flexible Coils for Wireless Inductive Power Transmission

Li, Yi, Grabham, Neil, Torah, Russel, Tudor, John and Beeby, Stephen (2015) Data for the figures in Smart Textile Based Flexible Coils for Wireless Inductive Power Transmission University of Southampton [Dataset]

Record type: Dataset

Abstract

This data set includes the data used for following plots in paper Smart Textile Based Flexible Coils for Wireless Inductive Power Transmission.Fig. 3. Unloaded Q factor versus the turns of spiral coil for a coil design that has 138 mm external diameter, 53 mm inner diameter, and is printed with a conductive paste which has 24 m?/? sheet resistance.Fig. 6. Normalized DC resistance versus curing time for conductive tracks with different number of sub-layers printed on interface-coated textile. The conductive paste is cured after 40 minutes 130 °C thermal curing.Fig. 7. Thickness and practical DC resistance of printed conductive layer as designed coil compared with theoretical DC resistance in different number of sub-layers and thickness.Fig. 9. Impedance phase angle of different type of coils on frequency range from 300 kHz to 50 MHz. The self-resonant frequency can be located from this measurement as 10.3 MHz and 17.6 MHz for wound copper coil and flexible coils, respectively.Fig. 10. Coupling factor k of different type of coupled coils against distance between them compared with the theoretical calculations.Fig. 11. Output powers of wireless power transfer system deployed with different type of coupled coils against output DC current at 5 mm and 10 mm separation between transmitter and receiver coils. An approximate 1.51 W output power can be achieved for all types of coils at 5 mm separation, and 9 % less output power, 1.37 W, can be achieved at 10 mm separation.Fig. 12. DC to DC efficiency at optimal output current against separation distance between different types of paired coils. The same trends of the effect of separation on DC to DC efficiency are shown on all types of coils.Fig. 13. Maximum output power and DC to DC efficiency of WPT employed flexible coils with varying curvature of receiver coil at 5 mm center separation distance from transmitter coil. The maximum output power drops 33 % as a result of the deformation of the receiver coil.Fig. 14. DC to DC efficiency of the WPT system employing a deformed receiver coil under different curvature against the separation distance from the flat transmitter coil.

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Published date: 2015
Organisations: EEE

Identifiers

Local EPrints ID: 376588
URI: http://eprints.soton.ac.uk/id/eprint/376588
PURE UUID: 6747093f-d5f8-494a-bb3f-50002aae8a5a
ORCID for Stephen Beeby: ORCID iD orcid.org/0000-0002-0800-1759

Catalogue record

Date deposited: 07 May 2015 09:09
Last modified: 19 Jul 2017 00:34

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Contributors

Creator: Yi Li
Creator: Neil Grabham
Creator: Russel Torah
Creator: John Tudor
Creator: Stephen Beeby ORCID iD

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