FIELD: transportation.
SUBSTANCE: invention relates to automation and telemechanics on railway transport for monitoring the rail line conditions. In the method, the signal to the branched rail line is supplied from the middle, in order to reduce the preliminary and additional shunting zone, receiving ends input resistances are reduced to a minimum, the rails of the transfer curves are shunted with capacitors, which together with the rails form oscillatory circuits, namely, plug-in filters. At that, raising the signal current frequency to 2,000–4,000 Hz, for the operation of the oscillatory circuits and the reduction of the pre-shunting zone at the exits.
EFFECT: enabling an increase in traffic safety and electrical centralization devices operation reliability.
1 cl, 2 dwg
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