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BS EN 60077-1:2017

BS EN 60077-1:2017

$198.66

Railway applications. Electric equipment for rolling stock – General service conditions and general rules

Published By Publication Date Number of Pages
BSI 2017 58
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This part of IEC 60077 specifies the general service conditions and requirements for all electric equipment installed in power circuits, auxiliary circuits, control and indicating circuits etc., on railway rolling stock.

NOTE

Some of these rules can, after agreement between the user and the manufacturer, be used for electrical equipment installed on vehicles other than railway rolling stock, such as mine locomotives, trolley buses, etc.

The purpose of this document is to harmonize as far as practicable all rules and requirements of a general nature applicable to electric equipment for rolling stock. This is in order to obtain uniformity of requirements and tests throughout the corresponding range of equipment to avoid the need for testing to different standards.

All requirements relating to:

  • the environmental stresses expected during the normal service conditions;

  • the construction;

  • the performance and the associated tests which can be considered as general;

have therefore been gathered in this document together with specific subjects of wide interest and application, for example temperature rise, dielectric properties, etc.

In the event of there being a difference in requirements between this document and a railway rolling stock relevant product standard, then the product standard requirements take precedence.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 English
CONTENTS
10 FOREWORD
12 INTRODUCTION
13 1 Scope
2 Normative references
14 3 Terms, definitions and abbreviated terms (see also Annex A)
3.1 General
15 3.2 Circuits
3.3 Battery supplied equipment
16 3.4 Test categories
3.5 Characteristic quantities
17 3.6 Terms related to lifetime
18 3.7 Abbreviated terms
4 Classification
5 Characteristics of the utilization category
5.1 General
5.2 Rated voltages
5.2.1 General
5.2.2 Rated operational voltage (Ur)
5.2.3 Rated insulation voltage (UNm)
19 5.2.4 Power-frequency test voltage (Ua)
5.2.5 Rated impulse voltage (UNi)
5.3 Rated voltages for electric equipment
5.3.1 Equipment supplied by a contact line
5.3.2 Equipment supplied by a transformer
5.3.3 Equipment supplied by DC low voltage sources
20 5.4 Rated currents for equipment
5.4.1 Rated operational current (Ir)
5.4.2 Rated short-time withstand current (Icw)
5.5 Rated operational frequency (fr)
Tables
Table 1 – Voltage ranges for control circuits and auxiliary circuits
21 5.6 Rated air pressure
6 Product information
6.1 Nature of information
6.2 Marking
22 6.3 Instructions for storage, installation, operation and maintenance
7 Normal service conditions
7.1 General
7.2 Altitude
23 7.3 Temperature
7.3.1 Ambient temperature
7.3.2 Reference temperature
Table 2 – Classes of air temperatures
24 7.4 Humidity
7.5 Biological conditions
7.6 Chemically active substances
7.7 Mechanically active substances
7.8 Vibration and shock
7.9 Exposure to pollution
7.10 Exposure to overvoltages
8 Constructional and performance requirements
8.1 Constructional requirements
8.1.1 Protective provisions against electrical hazards
25 8.1.2 Batteries
8.1.3 Fire protection
8.1.4 Other risks
8.2 Performance requirements
8.2.1 Operating conditions
27 8.2.2 Temperature limits
29 Table 3 – Temperature limits of electrical insulating system
30 Table 4 – Temperature limits of terminals
31 8.2.3 Operation following inactivity
Table 5 – Temperature limits of accessible parts
32 8.2.4 Electromagnetic compatibility (EMC)
8.2.5 Acoustic noise emission
8.2.6 Clearances
8.2.7 Creepage distances
8.2.8 Switching overvoltages
8.2.9 Operational performance
33 8.2.10 Ability to withstand vibration and shock
9 Tests
9.1 Kinds of tests
9.1.1 General
9.1.2 Type tests
9.1.3 Routine tests
34 9.1.4 Sampling tests
9.1.5 Investigation tests
9.1.6 General test condition
9.1.7 Summary of tests
35 9.2 Verification of constructional requirements
9.2.1 General
9.2.2 Type tests
Table 6 – List of tests (as appropriate)
36 9.2.3 Routine tests
9.3 Verification of performance requirements
9.3.1 Operating limits and functional tests
37 9.3.2 Temperature rise test
40 9.3.3 Dielectric properties
41 9.3.4 Operational performance capability
44 9.3.5 Vibration and shock
9.3.6 Electromagnetic compatibility (EMC)
9.3.7 Acoustic noise emission
9.3.8 Climatic tests
45 Annexes
Annex A (informative) Coordination between definitions
46 Figures
Figure A.1 – Example of relation of limiting values
Figure A.2 – Example of utilization category
Figure A.3 – Example of coordination of operational conditions
47 Annex B (informative) Type and routine test of dielectric tests for equipment
B.1 General
B.2 General conditions
B.3 Test voltage
48 Table B.1 – Dielectric tests on single pieces of equipment
49 Table B.2 – Dielectric tests for equipment connected to AC contact line
50 Annex C (informative) Example of thermal endurance calculation to demonstrate the suitability of an insulation system for a specified application
C.1 General
C.2 Example 1 – Temperature limits for an electric insulation system
51 C.3 Example 2 – Thermal endurance calculation
C.3.1 General
C.3.2 Operating conditions provided by the purchaser
Table C.1 – Temperature limits and expected lifetime fora dry-type insulation system (examples)
52 C.3.3 Thermal endurance characteristics provided by the manufacturer
C.3.4 Temperature rise test results
C.3.5 Extrapolations
Table C.2 – Ambient temperature distribution
Table C.3 – Temperature rise test results
53 C.3.6 Lifetime calculation based on thermal endurance
Table C.4 – Extrapolation to other ambient temperature
Table C.5 – Lifetime calculation based on thermal endurance
54 C.3.7 Equivalent continuous duty and rated continuous duty
Table C.6 – Equivalent continuous duty and rated continuous duty
55 Bibliography

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BS EN 60077-1:2017
$198.66