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24/30491793 DC Draft BS EN 50122-2/A1 Fixed installations for railway applications. Electrical safety, earthing and the return circuit - Provisions against the effects of stray currents caused by DC traction systems, 2024
- SC9XC_77508_enq1e.pdf [Go to Page]
- 1 Modification to the Title
- 2 Modification to Clause 2, Normative references
- 3 Modification to Clause 4, Identification of hazards and risks
- 4 Modification to 5.1, General
- 5 Modification to 5.2, General Criteria for the protection of the tracks
- 6 Modification to 5.3, Criteria for systems with steel reinforced concrete or metallic structures
- 7 Modification to 6.2.3, Track system
- 8 Modification to 6.2.6, Electrical separation between the return circuit and system parts with earth-electrode effect
- 9 Modification to 7.3, Adjacent pipes or cables
- 10 Modification to 7.4, Voltage limiting devices
- 11 Modification to Clause 8, Protective provisions applied to metallic structures
- 12 Modification to A.1, Rail resistance
- 13 Modification to A.2, Conductance per length between running rails and steel reinforced structures
- 14 Modification to A.3, Conductance per length for track sections without civil structure
- 15 Modification to A.4, Local conductance per length for track sections without civil structure
- 16 Modification to A.5, Insulated rail joints
- 17 Modification to B.1, Repetitive measurements of the rail potential to monitor the conductance
- 18 Modification to C.1, Estimation of the stray currents passing from the running rails to the earth
- 19 Modification to C.2, Estimation of the longitudinal voltage in steel reinforced structures
- 20 Modification to D.1, General
- 21 Modification to D.2.1, General
- 22 Modification to D.2.2, Initial test
- 23 Modification to D.2.3, Heat Aging
- 24 Modification to D.2.4, Influence of winter weather and rain
- 25 Modification to D.2.5, Acceptance criterion of the tests
- 26 Modification to Bibliography [Go to Page]
