In a system and method for detecting stray currents in an electric railway system track, at least one magnetic field sensor is provided, which is configured to sense values of a magnetic field parameter. The magnetic field sensor is moved along the track, and senses magnetic field parameter values at sensing locations along the track. The sensed magnetic field parameter values are processed to determine a condition of the track by comparing, for a portion of the current path comprising a first sensing location and a second sensing location different from the first sensing location, a first sensed magnetic field parameter value at the first sensing location with a second sensed magnetic field parameter value at the second sensing location, and if the first sensed magnetic field parameter value differs from the second sensed magnetic field parameter value by a predetermined amount, then marking the portion of the current path as a stray current portion. The magnetic field sensor is mounted on a vehicle configured for displacement along the track. A voltage is applied between a track rail and earth, for a current to flow through the track rail.


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    Title :

    DETECTING STRAY CURRENTS IN ELECTRIC RAILWAY SYSTEMS


    Additional title:

    ERKENNUNG VON STREUSTRÖMEN IN ELEKTRISCHEN EISENBAHNANLAGEN
    DÉTECTION DE COURANTS DE FUITE DANS DES SYSTÈMES FERROVIAIRES ÉLECTRIQUES


    Contributors:

    Publication date :

    2018-09-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



    DETECTING STRAY CURRENTS IN ELECTRIC RAILWAY SYSTEMS

    VAN OVERBEEKE FRANK / GRAVENDEEL BASTIAAN / VAN BEKKUM DIRK | European Patent Office | 2017

    Free access

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