Inductive powering of sensor modules

An inductively powered system, aimed at providing wireless power to sensor modules, has been built and tested. The goal of the work is to determine the limits in terms of distances, and power transferable, using a 13.56 MHz system. Powering distances of up to 10 cm were obtained for power levels up...

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Bibliographic Details
Main Authors: O'Donnell, T., Chevalerais, O., Grant, G., O'Mathuna, S.C., Power, D., O'Donnovan, N.
Format: Conference Proceeding
Language:English
Subjects:
Batteries
Biosensors
Coils
Frequency
Magnetic fields
Magnetic sensors
Sensor systems
System testing
Transponders
Wireless sensor networks
Online Access:Request full text
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Summary:An inductively powered system, aimed at providing wireless power to sensor modules, has been built and tested. The goal of the work is to determine the limits in terms of distances, and power transferable, using a 13.56 MHz system. Powering distances of up to 10 cm were obtained for power levels up to 1 mW. This distance reduced to 7 cm for 10 mW. Transfer of power levels of 30 mW was only possible for distances of 3 cm.
ISSN:1048-2334
2470-6647
DOI:10.1109/APEC.2005.1453337