A track current suppression device includes an input coupled between rails of a railway track and configured to receive an input voltage corresponding to a track current. The device also includes an amplifier configured to receive the input voltage and generate a cancellation current. The device also includes an output coupled between the rails of the railway track and configured to deliver the cancellation current to the rails with reversed polarity compared to the track current.
Foreign track current suppression system and method
2015-08-27
Patent
Electronic Resource
English
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC |