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BS EN 16207:2024

BS EN 16207:2024

$189.07

Railway applications. Braking. Functional and performance criteria of Magnetic Track Brake systems for use in railway rolling stock

Published By Publication Date Number of Pages
BSI 2024 46
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This document specifies the functionality, position, constraints and control of a magnetic track brake system (MTB system) installed in bogies for use in emergency braking and in low adhesion conditions on Mainline Trains with speeds up to 280 km/h. It covers high suspension types of MTB only and not high/low and low suspension type of MTB. This document also contains test methods and acceptance criteria for an MTB system. It identifies interfaces with electrical equipment, bogie, track and other brake systems. On the basis of the existing international and national standards, additional requirements are defined for: – conditions of application for the MTB system; – retardation and brake forces; – functional and design features; – strength requirements; – type, series and vehicle implementation tests. For design and calculation a “reference surface” is established.

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PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
9 3 Terms, definitions symbols and abbreviated terms
11 4 Task and purpose of the MTB
12 5 Design requirements
14 5.5.1 End pieces
5.5.2 Pole shoes
18 6 Load combinations for component tests
19 7 MTB diagnostics
20 8 EMC and interfaces
9 Type and series production tests
9.1.1 General
9.1.2 Magnetic test
21 9.1.3 Electric test
9.1.4 Thermal test
9.1.5 Mechanical test
9.1.6 Other tests and proofs
22 10 Vehicle implementation tests
24 Annex A (normative)Design loads (load assumptions) of the MTB
A.1 General
A.2 Rest position
A.2.1 Load case, explanation
A.2.1.1 Spring force of the actuators
A.2.1.2 Distortions and jammings resulting from fitting controls
A.2.1.3 Distortions and jammings in operational service
25 A.2.2 Acceleration
26 A.2.3 Excitation by wheel flats
A.2.4 Jerk caused by bouncing up of the electromagnetic MTB
A.3 Working position (brake application position)
A.3.1 Load case, explanation
A.3.1.1 Excess force in the actuator
A.3.1.2 Distortion ΔzM
A.3.1.3 Longitudinal displacement ΔxB
A.3.1.4 Bogie yaw movement
A.3.1.5 Distortion ΔzB
27 A.3.2 Longitudinal force FB,x resulting from an MTB application
A.3.3 Aspects for transmission of force
A.3.3.1 General
28 A.3.3.2 Lateral force FQ and longitudinal force FB,x when running over switches and crossings in inside direction
A.3.3.3 Lateral force FQ and longitudinal force FB,x when running over switches and crossings in outside direction
A.3.3.4 Exceptional lateral force FQ in inside direction (toward the track centre) when running over switches and crossings
29 A.3.3.5 Exceptional lateral force FQ in outside direction when running over switches and crossings
A.4 Rail brakes
A.4.1 General
A.4.2 Load case, explanation
A.4.2.1 Unilaterally acting rail brake
30 A.4.2.2 Bilaterally acting rail brake
A.5 FME(C)A
A.6 Load collective for operational safety proof
32 A.7 Load collective for component tests on the example of 10 000 brake applications
A.8 Test procedure
A.9 Test result
33 Annex B (normative)Measurement of the magnetic attractive force — Functional test of brake magnets
B.1 Measurement of the magnetic attractive force of MTB magnets
34 B.2 Formation of the mean magnetic attractive force for rigid magnets
B.3 Formation of the mean magnetic attractive force for articulated magnets
36 Annex C (normative)End pieces of MTB
39 Annex D (normative)Validation process for new end pieces of MTB
42 Annex ZA (informative)Relationship between this European Standard and the Essential Requirements of Directive (EU) 2016/797 aimed to be covered

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BS EN 16207:2024
$189.07