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BS EN 15734-2:2010+A1:2021:2022 Edition

BS EN 15734-2:2010+A1:2021:2022 Edition

$215.11

Railway applications. Braking systems of high speed trains – Test methods

Published By Publication Date Number of Pages
BSI 2022 72
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Revised Annex ZA

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
8 3 Terms and definitions
4 Symbols, units and abbreviations
9 5 Requirements
5.1 General
10 5.2 Test procedure
5.2.1 General
5.2.2 Identification of the parts to be tested
5.2.3 General conditions for the tests
5.2.3.1 Temperature
5.2.3.2 Energy supply
5.2.4 Specification of the test equipment
11 5.2.5 Test program
5.2.6 Reports
12 5.2.7 Documentation
5.3 Methodology
5.3.1 Measurement of the application time at the brake cylinder
5.3.2 Measurement of the release time at the brake cylinder
5.3.3 Measurement of the pressure drop time in the brake pipe or the equalising reservoir of the driver’s brake valve
5.3.4 Measurement of the pressure rise time in the brake pipe or the equalising reservoir of the driver brake valve
13 5.3.5 Measurement of the dead time of the WSP dump valves
5.3.6 Measurement of the exhaust time of the WSP dump valves
5.3.7 Measurement of the fill time of the WSP dump valves
5.3.8 Measurement of air tightness
5.3.9 Measurement of lowering time of the MTB
5.3.10 Measurement of rising time of the MTB
5.3.11 Measurement of application and release times of EP assist brake
5.3.12 Measurement of the contribution of the different brakes
14 5.3.13 Evaluation of the longitudinal brake force applied to the track by Magnetic Track Brake or Eddy Current Brake
15 6 Static tests programme
6.1 Test on vehicle (Level 1)
32 6.2 Test on Single Unit (Level 2)
41 6.3 Test on Multiple Unit maximum consist (Level 3)
46 7 Dynamic tests programme
7.1 General for dynamic tests
7.1.1 Preconditions
7.1.2 Test conditions
7.1.2.1 General
7.1.2.2 Quantity and methodology of tests
47 7.1.2.3 Condition of wheels and friction elements
7.1.2.4 Track conditions
7.1.3 Measured variables to be recorded
48 7.1.4 Verification of deceleration and braking distance
7.1.5 Definition of braked weight
49 7.2 Test program
7.2.1 Test on Single Unit (Level 2)
61 7.2.2 Test on Multiple Unit maximum consist (Level 3)
7.2.2.1 General
67 Annex A (normative)Typical format for a test report for type or routine test
68 Annex B (informative)Principle of the automatic function test
B.1 Purpose of the automatic function
B.2 Adjustment of the driver’s brake valve feed choke to comply with the automatic function

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BS EN 15734-2:2010+A1:2021
$215.11