A track circuit apparatus (1) measures a transmission voltage and transmission current of an AC signal transmitted to rails, calculates an impedance equivalent value based on amplitudes of and a phase difference between the measured transmission voltage and transmission current, and determines presence of the train based on values of real and imaginary component values of the calculated impedance equivalent value.


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    Title :

    TRACK CIRCUIT DEVICE AND TRAIN ON-TRACK DETERMINATION METHOD


    Additional title:

    GLEISSCHALTUNGSVORRICHTUNG UND ZUG-AUF-SPUR-BESTIMMUNGSVERFAHREN
    DISPOSITIF DE CIRCUIT DE VOIE ET PROCÉDÉ DE DÉTERMINATION DE TRAIN SUR VOIE


    Contributors:

    Publication date :

    2025-02-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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