FIELD: electrified railways.
SUBSTANCE: device can be used to reduce electromagnetic action of electrified railways onto adjacent communication lines. Device contains traction current harmonic component sensor, signal processing unit with n-link traction current selector, feedback communication channel, second feedback communication channel, adjustable current source connected by control input with output of mixer. Device is furnished additionally with control unit for connecting and disconnecting compensating voltage channel, additional adjustable source of compensating inverse voltage, unit to control connection and disconnection of grounding circuit, grounding circuit, unit to disconnect traction current compensating channel at no traction load on feeder zone.
EFFECT: improved reliability in operation, increased efficiency of compensation of interference induced in adjacent line.
1 dwg
