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BSI PD CLC/TS 50238-2:2020

BSI PD CLC/TS 50238-2:2020

$189.07

Railway applications. Compatibility between rolling stock and train detection systems – Compatibility with track circuits

Published By Publication Date Number of Pages
BSI 2020 46
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This document defines, for the purpose of ensuring compatibility between rolling stock and track circuits, the limits for interference current emissions from rolling stock. The measurement and evaluation methods for verifying conformity of rolling stock to these limits are presented in a dedicated annex.

The interference limits are only applicable to rolling stock that is intended to run on lines exclusively equipped with preferred track circuits listed in this document. The rolling stock test methodology (infrastructure conditions, test configurations, operational conditions, etc.) presented in this document is applicable to establish compatibility with any track circuits.

This document gives guidance on the derivation of interference current limits specified for rolling stock and defines measurement methods and evaluation criteria in a dedicated annex.

This document defines:

  1. a set of interference current limits for RST (Rolling Stock) applicable for each of the following types of traction system:

    1. DC (750 V, 1,5 kV and 3 kV);

    2. 16,7 Hz AC;

    3. 50 Hz AC;

  2. methodology for the demonstration of compatibility between rolling stock and track circuits;

  3. measurement method to verify interference current limits and evaluation criteria.

NOTE 1 The basic parameters of track circuits associated with the interference current limits for RST are not in the scope of this document.

NOTE 2 Any phenomena linked to traction power supply and associated protection (over voltage, short-circuit current, under- and over-voltage if regenerative brakes are used) is part of the track circuit design and outside the scope of this document.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
9 3 Terms, definitions and abbreviations
3.1 Terms and definitions
11 3.2 Abbreviations
4 General aspects of interference current limits for RST
4.1 Derivation of interference current limits for RST
12 4.2 Application of Interference current limits to RST design
4.3 System definition
4.3.1 Structure
13 4.3.2 Train under test
14 4.3.3 Power supply system
4.3.4 Return current path (Ireturn)
4.3.5 Track circuit receiver
4.3.6 Measurement and evaluation method
15 Annex A (normative)Interference current limits for RST
A.1 Definitions
A.2 Preferred track circuits for DC traction
16 A.3 Preferred track circuits for RST for 16,7 Hz traction
A.4 Preferred track circuits for RST for 50 Hz traction
17 A.5 UGSK3
A.6 UGSK95
A.7 FTGS 46 / FTGS 917/TCM100
18 A.8 GRS
19 A.9 Jade
20 A.10 Coded track circuits for DC traction
A.11 Digicode
21 A.12 CoRTo
A.13 CBDAC
22 A.14 Preferred track circuit in Czech Republic
A.15 All kind of UM71 equipped with RENUM receptor and UC 9500
23 A.16 DC track circuits in UK
A.17 EBI Track 200 (TI21)
24 A.18 EBI Track 400
25 A.19 FS3000
A.20 FS2000 / FS 2500 / FS 2550 / FS 5000
26 A.21 Track circuits of 95 Hz and 105 Hz in Norway
A.22 JRK 10470
27 Annex B (normative)Rolling Stock Interference Evaluation methods
B.1 General
B.2 Selected evaluation method
28 B.3 Derivation of the interference current limits for RST
B.4 Criteria for compatibility
B.4.1 Location
29 B.4.2 Criteria
B.4.3 Safety and availability
B.5 Defined interference current limits for RST
B.6 Test specifications for RST interference measurements
B.6.1 General
B.6.2 Purpose of compatibility tests
B.6.2.1 General
30 B.6.2.2 Configurations of the train under test during measurements
B.6.2.3 Operating conditions for the measurements tests
31 B.6.2.4 Infrastructure requirements for measurements
32 B.6.2.5 Special conditions for AC trains with a capacitor directly at the input
B.7 Test equipment requirements (hardware)
33 B.8 Train interference analysis and evaluation methods
B.8.1 Evaluation method
34 B.8.2 Summation rules
35 B.9 Requirements for on-train interference monitoring and control
B.10 Documentation
37 Annex C (informative)Infrastructure data
C.1 Supply frequency
C.2 Infrastructure characterization
38 C.3 Power supply impedance
C.4 Approximate calculation of the lowest power supply resonance frequency
40 C.5 Simplified method to handle resonance effects with roof cables
41 C.6 Return current transfer function
42 Annex D (informative)Typical voltage resonance graphs
D.1 General
D.2 Interface voltage/current measurement
D.3 Voltage resonance graphs for 15 kV 16,7 Hz network
43 D.4 Voltage resonance graphs for 25 kV, 50 Hz network
D.5 Voltage resonance graphs for 1 500 V DC network
44 D.6 Voltage resonance graphs for 3 000 V DC network

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BSI PD CLC/TS 50238-2:2020
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