ДСТУ EN 50343:2022 Залізниці. Рухомий склад. Правила монтажу кабелів (EN 50343:2014, IDT)



ДСТУ EN 50343:2022
(EN 50343:2014, IDT)

Залізниці. Рухомий склад. Правила монтажу кабелів

 

 
   
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

1 Scope

2 Normative references

3 Terms, definitions and abbreviations

3.1 Terms and definitions

3.2 Abbreviations

4 Technical requirements

4.1 General requirements

4.2 Selection of type and size of cables

4.3 Bundling of cables

4.4 Flexibility of cables

4.5 Minimum cross-sectional area of conductors

4.6 Use of green and yellow colour

4.7 Bending radii and other mechanical requirements

4.8 Re-termination

4.9 Busbars

4.10 Connections to busbars

4.11 Separation of cables with different voltage levels and for safety reasons

4.12 Provisions for refurbishment and maintenance, including inspection and repair

4.13 Fire prevention, cable laying and cabling behaviour in case of fire

4.14 Provision of spares

4.15 Requirements for fixing

4.16 Clearances and creepage distances

4.17 Requirements for electrical terminations

4.18 Use of heat-shrinkable sleeves

4.19 Connections for return current

4.20 Storage of cables

4.21 Cable conduits

4.22 Electrical bolted connections

5 EMC requirements

5.1 General

5.2 Cable categories

5.3 Separation of cables

5.4 Return conductor

5.5 Use of conductive structure

5.6 Shielding and earthing

5.7 Supply connection from battery

5.8 Databus lines

6 Marking for identification

6.1 General

6.2 Marking for identification of cables and busbars

6.3 Marking for identification of terminal blocks, individual terminals, plugs and sockets

6.4 Marking of insulators

6.5 Marking for warning against electrical shock

6.6 Marking using heat-shrinkable sleeves

7 Testing

7.1 General concerning testing

7.2 Electrical insulation tests

Annex A (normative) Cable sizing - Calculation under short time current conditions

Annex В (informative) Cable sizing - Examples of current ratings

Annex C (normative) Cable sizing - Calculating current ratings for temperature classes other than 90 °С

Annex D (normative) Cable sizing - Correction factor kt for expected ambient temperature

Annex E (normative) Cable sizing - Prediction of cable lifetime

Annex F (informative) Cable sizing - Calculation examples

Annex G (informative) Terminations

Annex H (normative) Tests on marking when using heat-shrinkable sleeves

Annex I (informative) Effects of the number of earth connections to a cable screen

Annex J (informative) Differences of electrochemical potentials between some conductive materials

Annex К (informative) Locations on board rolling stock to be distinguished

Bibliography