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ALSTHOM'S EXPERIENCE OF PROTECTION WITH RESPECT TO THE ELECTROMAGNETIC PERTURBATIONS OF RAILWAY VEHICLES

EXPERIENCE D'ALSTHOM EN MATIERE DE PROTECTION VIS-A-VIS DES PERTURBATIONS ELECTROMAGNETIQUES DES MATERIELS ROULANT

The basic principles of electromagnetic compatibility (emc) are outlined briefly and an account given of the regulations in force in the railway design departments of alsthom. The problem of emc with regard to traction is examined and the increase in use and sensitivity of components found to be complicating factors. At alsthom however two procedures have been applied: a) the identification and interference elimination/suppression of em sources; and b) the improvement of immunity to interference of the electronics system. Alsthom's practice with regard to electromagnetic switches, semiconductors and windings is outlined. In improving the immunity of a system several measures are usually required. Action taken on equipment is described including electronic boards, distribution of reference potential, distribution of board supplies, wiring of modules and racks and wiring external to racks. In considering interaction with the outside environment, compatibility with railway signalling, telephones and radio frequencies is discussed. This paper was originally published in French in "recherche transports securite" (1988-03), no 17, P45-51.

  • Corporate Authors:

    Transport and Road Research Laboratory (TRRL)

    Wokingham, Berkshire  United Kingdom 
  • Authors:
    • Debruyne, M
  • Publication Date: 1988-10

Language

  • English

Media Info

  • Pagination: 9 p.
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00498769
  • Record Type: Publication
  • Source Agency: Transport and Road Research Laboratory (TRRL)
  • Report/Paper Numbers: T 3465
  • Files: ITRD, TRIS
  • Created Date: Sep 30 1990 12:00AM