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Replacing Copper with New Carbon Nanomaterials in Electrical Machine Windings

Pyrhönen, Juha; Montonen, Juho; Lindh, Pia; Vauterin, Julia; Otto, Marcin (2015)

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Replacing copper with new carbon.pdf (402.3Kb)
Lataukset: 


Post-print / final draft

Pyrhönen, Juha
Montonen, Juho
Lindh, Pia
Vauterin, Julia
Otto, Marcin
2015
Praise Worthy Prize

This publication is protected by copyright. You may download, display and print it for Your own personal use. Commercial use is prohibited.
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe201504247520

Tiivistelmä

Electrical machines have significant improvement potential. Nevertheless, the field is
characterized by incremental innovations. Admittedly, steady improvement has been achieved, but
no breakthrough development. Radical development in the field would require the introduction of
new elements, such that may change the whole electrical machine industry system. Recent
technological advancements in nanomaterials have opened up new horizons for the macroscopic
application of carbon nanotube (CNT) fibres. With values of 100 MS/m measured on individual
CNTs, CNT fibre materials hold promise for conductivities far beyond those of metals. Highly
conductive, lightweight and strong CNT yarn is finally within reach; it could replace copper as a
potentially better winding material. Although not yet providing low resistivity, the newest CNT
yarn offers attractive perspectives for accelerated efficiency improvement of electrical machines.
In this article, the potential for using new CNT materials to replace copper in machine windings
is introduced. It does so, firstly, by describing the environment for a change that could
revolutionize the industry and, secondly, by presenting the breakthrough results of a prototype
construction. In the test motor, which is to our knowledge the first in its kind, the presently most
electrically conductive carbon nanotube yarn replaces usual copper in the windings.

Lähdeviite

Juha Pyrhönen, Juho Montonen, Pia Lindh, Johanna Julia Vauterin, Marcin Otto (2015) Replacing Copper with New Carbon Nanomaterials in Electrical Machine Windings. International Review of Electrical Engineering (IREE), Vol 10, No 1. DOI:10.15866/iree.v10i1.5253

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