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Current-Carrying Characteristics of Conductive Microfiber Rings for High Frequencies and Current Amplitudes

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Muetze, Annette and Oh, H. William (2008) Current-Carrying Characteristics of Conductive Microfiber Rings for High Frequencies and Current Amplitudes. In: IEEE Industry-Applications-Society Annual Meeting, Alberta, Canada, Oct 05-09, 2008. Published in: IEEE Transactions on Power Electronics 2082 -2092. ISBN 978-1-4244-2278-4. doi:10.1109/TPEL.2010.2046499 ISSN 0885-8993.

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Official URL: http://dx.doi.org/10.1109/TPEL.2010.2046499

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Abstract

Rings made from millions of conductive microfibers have shown to be a suitable alternative to conventional brushes using electrically conductive carbon graphite. If properly designed, such modern brushes can not only meet all the demands on carbon brushes while excluding the problems of excessive wear and hot-spotting/thermal wear commonly quoted with the latter, but are also especially suitable for use with high-frequency currents and voltages, thereby further expanding their fields of application. In this paper, we describe the current-carrying characteristics of such rings for high frequencies tip to 10 MHz and large current amplitudes of several tens of amperes. We develop the theory to understand these characteristics and thus the ring design and support and illustrate the theoretical findings with experimental results.

Item Type: Conference Item (UNSPECIFIED)
Subjects: T Technology
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Series Name: IEEE INDUSTRY APPLICATIONS SOCIETY ANNUAL MEETING
Journal or Publication Title: IEEE Transactions on Power Electronics
Publisher: IEEE
ISBN: 978-1-4244-2278-4
ISSN: 0885-8993
Official Date: 2008
Dates:
DateEvent
2008Published
Number of Pages: 7
Page Range: 2082 -2092
DOI: 10.1109/TPEL.2010.2046499
Status: Not Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Title of Event: IEEE Industry-Applications-Society Annual Meeting
Type of Event: Conference
Location of Event: Alberta, Canada
Date(s) of Event: Oct 05-09, 2008

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