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BS EN 50238-1:2019

BS EN 50238-1:2019

$167.15

Railway applications. Compatibility between rolling stock and train detection systems – General

Published By Publication Date Number of Pages
BSI 2019 42
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This document describes a process to demonstrate compatibility between Rolling Stock (RST) and Train Detection Systems (TDS). It describes the characterization of train detection systems, rolling stock and traction power supply systems.

It is worth noting that the demonstration of technical compatibility between the rolling stock and infrastructure with respect to physical dimensions is not detailed in this document.

This document is not generally applicable to those combinations of rolling stock, traction power supply and train detection system which were accepted as compatible prior to the issue of this document. However, as far as is reasonably practicable, this document can be applied to modifications of rolling stock, traction power supply or train detection systems which may affect compatibility. The detailed process can be used where no rules and processes for compatibility are established.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
3 Terms, definitions and abbreviations
3.1 Terms and definitions
10 3.2 Abbreviations
4 Compatibility process
4.1 Overview
11 4.2 Detailed compatibility process
12 4.3 Compatibility case
13 4.4 Quality management
4.5 Route identification for introduction of RST (new or changed)
4.6 Introduction of infrastructure elements (new or changed)
4.7 Characterization
4.8 Compatibility analyses
4.8.1 General terms
14 4.8.2 Transfer function
16 5 Characterization of train detection systems
5.1 Objective of procedure
5.2 Track circuit systems – Standards, regulations and technical specifications
5.3 Axle counter systems – Standards, regulations and technical specifications
5.4 Wheel detectors (treadle applications)
5.4.1 General
5.4.2 Wheel detectors based on inductive technology
17 5.4.3 Wheel detectors based on other technology
5.5 Loops
5.5.1 General aspects
5.5.2 Interfering mechanisms
18 5.5.3 Characterization
6 Characterization of rolling stock
6.1 Objective
6.2 General procedure
7 Characterization of traction power supply systems
7.1 Objective
19 7.2 DC traction power supplies
7.3 AC traction power supplies
7.4 Test procedures
20 8 Test report
8.1 General
8.2 Introduction
8.3 Test organization
8.4 Configuration
8.5 Reference documents
8.6 Application of the test plan
8.7 Test results
8.8 Comments
8.9 Archive of test results
21 Annex A (informative)Guidelines for the determination of susceptibility of train detection systems
A.1 Examples of system configurations
A.2 “Normal” configuration
A.3 Interference mechanism with broken signal rail
22 A.4 Interference mechanism with broken return rail
23 A.5 Double rail track circuits
24 A.6 Voltage between axles of rolling stock
25 A.7 Effect of resistance between coupled vehicles
27 A.8 Radiated interference
A.9 Example of sensitive zone of wheel detector
A.10 Factor of safety
28 A.11 Multiple interference sources
29 Annex B (informative)General characterization of rolling stock
B.1 Objective of procedure
B.2 Description of rolling stock and factors affecting its characteristics
B.3 Configuration (design status)
B.4 Test plan
B.4.1 General
30 B.4.2 Test site
B.4.3 Instrumentation
B.4.4 Test procedure
32 Annex C (informative)Factors affecting rolling stock characteristics and compatibility
35 Annex D (informative)DC traction power supplies
D.1 General
D.2 Interference currents generated by the rolling stock
D.3 Interference currents generated by the traction power supply system
38 Annex E (informative)Compatibility parameters for loops (example)
E.1 Principles of operation – Electrical background
E.2 Vehicle metal construction

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BS EN 50238-1:2019
$167.15