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Experimental investigation of the current distribution in the couplings of moving trains
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
2009 (English)In: IEEE Transactions on Power Delivery, ISSN 0885-8977, E-ISSN 1937-4208, Vol. 24, no 1, 311-318 p.Article in journal (Refereed) Published
Abstract [en]

The transport of iron ore from the Swedish mining areas to the harbors is carried out by electric trains. In 2003, there was a dramatic increase in the number of bearings discarded due to electric current corrosion. No evident reason to this increase could be found and a project was initiated measuring electrical currents in engines and couplings as well as position and velocity of the train in an attempt to find countermeasures to the excess currents in the bearings. The RMS-magnitudes of the currents have been recorded and compared for different positions on the train, for different train configurations, and at different driving conditions. The results showed substantial electrical currents going through the couplings and much higher currents in modern trains with 30 tons axle load compared to old trains with 25 tons axle load.

Place, publisher, year, edition, pages
2009. Vol. 24, no 1, 311-318 p.
Research subject
Industrial Electronics
URN: urn:nbn:se:ltu:diva-2843DOI: 10.1109/TPWRD.2008.2005668Local ID: 08f02590-6f6c-11dd-8151-000ea68e967bOAI: diva2:975697
Electromagnetic compatibility issues in the Swedish railway system
Validerad; 2009; 20080821 (jekman)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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Ekman, JonasWisten, Åke
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