Multiple-Input Single-Output Wireless Power Transmission System for Coal Mine Application

Duan Zhao; En Jie Ding; Hui Xue

doi:10.4028/www.scientific.net/AMM.462-463.900

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 462-463Multiple-Input Single-Output Wireless Power...

Multiple-Input Single-Output Wireless Power Transmission System for Coal Mine Application

Abstract:

The magnetic multiple input algorithms of Wireless Power Transmission (WPT) system as well as many multiple overlapping coils structures in the transmitter side are proposed for the coal mine Internet of the Things (IOT) nodes. Different phase shifts cases for the input signal are considered to study their effect on the efficiency. Simulation results showed that the axial component of magnetic induction resulted from the multiple overlapping coils structure has preferable homogeneous distribution over the traditional single input coil. The proposed system achieved an efficiency value of 60 % for a receiver placed 40 cm away from a 4 coils transmitter comparing to an efficiency value of 50% for the same distance using a single coil transmitter. Simulation results shows that the proposed model is well adapted for the movable charging mode for the IOT nodes in coal mine.

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Periodical:

Applied Mechanics and Materials (Volumes 462-463)

Pages:

900-904

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.462-463.900

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Online since:

November 2013

Authors:

Duan Zhao*, En Jie Ding, Hui Xue

Keywords:

Coal Mine, Internet of Things (IOT), MISO, Wireless Power Transmission

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