AC PROPULSION--GOOD MEDICINE, BUT WHAT ARE THE SIDE EFFECTS?

The introduction of alternating current (ac) propulsion systems, although providing many benefits, may carry with it some unexpected negative side effects caused by the introduction of a new emitter of electromagnetic interference to the current transit environment. Methods for measuring the susceptibility envelopes of the many signaling subsystem receptors present in the transit system are examined. Techniques for measuring susceptibility in the field and in the laboratory are discussed; these include noise burst tests, interruption of track signal tests, and phase relationship tests. Failure modes presented include both operational reliability and safety failures. The measurement of conductive and inductive emissions from a new European transit system that uses ac propulsion has been accomplished. The preliminary results of this testing are presented.

• Record URL:
  • http://onlinepubs.trb.org/Onlinepubs/trr/1984/953/953-007.pdf
• Summary URL:
  • https://scholar.google.com/scholar_lookup?title=AC+PROPULSION--GOOD+MEDICINE%2C+BUT+WHAT+ARE+THE+SIDE+EFFECTS%3F&author=C.+Edelson&author=L.+Long&author=F.+Holmstrom&publication_year=1984
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/0309036739
• Supplemental Notes:
  • Publication of this paper sponsored by Committee on Rail Electrification Systems. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
• Authors:
  • Edelson, Charles
  • Long, Lennart E
  • Holmstrom, F Ross
• Conference:
  • 63rd Annual Meeting of the Transportation Research Board
  • Location: Washington District of Columbia, United States
  • Date: 1984-1-16 to 1984-1-20
• Publication Date: 1984

Media Info

• Media Type: Print
• Pagination: pp 39-41
• Monograph Title: Rail papers - 1984
• Serial:
  • Transportation Research Record
  • Issue Number: 953
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Alternating current; Alternating current motors; Electric power conditioning; Electromagnetic interference; Laboratory tests; Maintenance practices; Rapid transit; Safety; Signaling; Track circuits; Traction drives
• Subject Areas: Design; Economics; Highways; Maintenance and Preservation; Operations and Traffic Management; Planning and Forecasting; Public Transportation; Safety and Human Factors; Society; Vehicles and Equipment; I21: Planning of Transport Infrastructure;

Filing Info

• Accession Number: 00391336
• Record Type: Publication
• ISBN: 0309036739
• Files: TRIS, TRB
• Created Date: Mar 29 1985 12:00AM