FIELD: transportation.
SUBSTANCE: invention relates to the field of railway automatics and telemechanics for monitoring the states of a branched rail chain without choke transformers. Method is based on the flow and control of the signal current, which does not impede the flow of traction current, while the cross is isolated from one of the intersecting rails, and the remaining sections of the divided rail are connected by a bridge to pass the traction and signal currents.
EFFECT: higher reliability of the operation of the rail circuits is achieved.
1 cl, 1 dwg
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