RO
SR EN 50122-2:2011
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit -- Part 2: Provisions against the effects of stray currents caused by d.c. traction systems
This European Standard specifies requirements for protective provisions against the effects of stray currents, which result from the operation of d.c. traction systems. As experience for several decades has not shown evident corrosion effects from a.c. traction systems and actual investigations are not completed, this European Standard only deals with stray currents flowing from a d.c. traction system. This European Standard applies to all metallic fixed installations which form part of the traction system, and also to any other metallic components located in any position in the earth, which can carry stray currents resulting from the operation of the railway system. This European Standard applies to all new d.c. lines and to all major revisions to existing d.c. lines. The principles may also be applied to existing electrified transportation systems where it is necessary to consider the effects of stray currents. It provides design requirements to allow maintenance. The range of application includes: a) railways, b) guided mass transport systems such as: 1) tramways, 2) elev
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Status :
Withdrawn
Approval date : 3/31/2011
Withdrawal date : 7/25/2025
Number of pages : 34
ICS : 29.120.50 Fuses and other overcurrent protection device,29.280 Electric traction equipment
Technical Committee : 4 - Electrical equipment and systems for railways
- Replaces SR EN 50122-2:2002
- Replaces SR EN 50122-2:2002/A1:2003
- Normative reference SR EN 50122-3:2011
- Normative reference SR EN 50163:2006
- Normative reference SR EN 50122-1:2011
- Normative reference SR EN 50162:2004
- Replaced by SR EN 50122-2:2022