Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms, definitions and abbreviations<br>4 Description of train detection system<br>5 Safety relevance of parameters<br>6 Technical track circuit parameters<br>7 Train based parameter - Shunt impedance<br>8 Track based parameters<br>9 Environmental and other parameters<br>Annex A (informative) - Guidance for usual safety relevance <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of parameters<br>Annex B (informative) - Scenarios for non-detection zone<br>Annex C (informative) - Track circuit length<br>Annex D (informative) - Scenarios for broken rail Relation <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Track circuit - Broken rail detection<br>Annex E (informative) - Frequency management<br>Annex F (informative) - Vehicle Impedance/guidance for RST <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;design to support the FrM<br>Annex G (informative) - Example of elements of maintenance <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for existing track circuits<br>Annex H (informative) - Example of management of shunt impedance<br>Annex I (informative) - Rail to ground impedance: <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Track Circuit Effects<br>Annex J (informative) - Example of mechanical test for IRJ<br>Annex K (informative) - Example of existing requirement for the <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;type of sleepers/track structure<br>Annex L (informative) - Example of application for different <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;safety requirements<br>Annex ZZ (informative) - Relationship between this European <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Standard and the Essential Requirements of <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;EU Directive 2008/57/EC<br>Bibliography

Abstract

Defines the technical parameters of track circuits associated with the disturbing current emissions limits for RST in the context of interoperability defined in the form of Frequency Management.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	GEL/9/1
Supersedes	13/30251579 DC : 0