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BS EN 50702:2021

$142.49

Railway applications. Rolling stock. Conductor rail current collectors (shoegear): Characteristics and tests

Published By Publication Date Number of Pages
BSI 2021 32
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This document specifies the tests for the current collectors to enable current collection from the third or fourth rail system as well as associated fuses and short circuit devices. It also specifies the general assembly characteristics to be applied to current collectors. This document is applicable to all types of vehicles with third or fourth rail current collectors. This document does not apply to roof mounted pantographs.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
9 3 Terms and definitions
11 4 Abbreviations
5 Technical requirements
5.1 General
5.2 Gauge
5.3 Working range of the current collector
5.4 Electrical values
5.5 Force requirements
5.6 Collector shoe
12 5.7 Operating system
5.8 Weak link
5.9 Current collector mass and force in the bogie
5.10 Protection against corrosion
6 Marking
7 Tests
7.1 Categories of tests
7.1.1 Overview
13 7.1.2 Type tests
7.1.3 Routine tests
7.1.4 Investigation tests
7.1.5 Combined tests
7.2 General tests
7.2.1 Visual inspection (routine test)
7.2.2 Weight measurement (type test)
14 7.2.3 Dimensions (type test)
7.2.4 Identification (routine test)
7.2.5 Test weak link (type test)
7.2.5.1 General
7.2.5.2 Stage 1
15 7.2.5.3 Stage 2
16 7.3 Operating tests
7.3.1 Measurement of static force at ambient temperature (routine test)
17 7.3.2 Checking of the operating system of the current collector (if applicable)
7.3.3 Operating climatic test
7.3.4 Combined operating climatic test at vehicle
7.4 Endurance tests
7.4.1 Operation between retracted position and working position
7.4.2 Operation within working range
18 7.4.3 Resistance to vibrations
7.5 Resistance to shocks caused by collector shoe frequently approaching current rail ramps
7.6 Air tightness tests
7.6.1 General
7.6.2 Air tightness tests on operating device cylinder
19 7.6.3 Tightness climatic test
7.6.4 Tightness test of short circuiter cylinders
7.7 Current collection tests (combined test, informative)
7.7.1 General
20 7.7.2 Measurement of surrounding conditions
7.7.3 Pre-conditions for test runs
7.7.3.1 General
7.7.3.2 State of the vehicle
21 7.7.4 Measurement of electric energy transmission
7.7.4.1 Adjustments before the tests
7.8 Heating tests
7.8.1 Objective
7.8.2 Heating tests: rated and maximum current, vehicle at standstill (supplementary type test)
22 7.8.3 Heating tests: rated and maximum current, vehicle with traction (mandatory type test)
23 7.8.4 Short Circuit Test for maximum short circuit current and duration (mandatory type test)
24 7.8.5 Field Test (supplementary type test)
7.9 Dielectric test
7.9.1 General
7.9.2 Objective
25 7.9.3 Insulation impedance test
7.9.4 Voltage withstand test
7.9.4.1 General
26 7.9.4.2 Testing by alternating current (U50)
7.9.4.3 Testing by direct current (UDC)
7.9.4.4 Testing by impulse voltage (Uimp)
7.9.5 Clearance and creepage tests
27 7.10 Sealing Test
7.10.1 General
7.10.2 Objective
28 7.10.3 Type tests (mandatory)
7.10.4 Routine tests (voluntary test)
29 Annex A (normative)List of tests
BS EN 50702:2021
$142.49