Permissible interference parameters for track circuits used on PKP

The article describes problems related to interference occurring in track circuits used in railway traffic control devices. Sources of interference affecting track circuits are discussed. Methods for measuring the interference immunity of track circuits are described. Ways of determining permissible interference parameters are shown. Results of studies on the sensitivity of track circuits to interference are cited.Permissible interference parameters for selected types of track circuits are also presented.
PERMISSIBLE INTERFERENCE PARAMETERS FOR TRACK CIRCUITS USED
ON THE POLISH RAILWAY LINES (PKP)
The article describes the problems associated with interference in a track circuits used in railway traffic control devices. The sources of interference having an impact on track circuits was discussed. The methods of measurement of resistance in track circuits were described. The methods of determining the acceptable interference parameters were shown.
The results of sensitivity of track circuits on disturbances were quoted. Acceptable disturbance parameters for selected types of track circuits were also presented. (…)

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