On an electrified line, the ability of an AC track circuit to detect a train can be impaired when cross-bonds are connected between adjacent tracks to improve the return flow of traction current. If the cross-bonds are taken to the mid-point of an impedance bond connected across the running rails, the problem is minimised. Where this policy is not adopted, it is very important to know the significance of the various factors affecting track circuit design. A brief introduction is given to some key aspects which resulted from a computer simulation and practical tests.


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    Titel :

    Traction cross-bonds and AC track circuits


    Weitere Titelangaben:

    Traktions-Querverbindungen und AC-Schienenstromkreise


    Beteiligte:
    Miller, G.D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1980


    Format / Umfang :

    1 Seite


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




    Track circuits without bonds

    Engineering Index Backfile | 1933


    Welded bonds on D.C. track circuits

    Estwick, C.F. | Engineering Index Backfile | 1922


    D. C. track circuits with welded bonds

    Estwick, C.F. | Engineering Index Backfile | 1922


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