- Abstract:This document specifies requirements for protective provisions against the effects of stray currents, which result from the operation of DC traction systems. As several decades experience has not shown evident corrosion effects from AC traction systems and ac-tual investigations are not completed, this document only deals with stray currents flowing from a DC traction system. This document 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 document applies to all new DC lines and to all major revisions to existing DC lines. The principles can also be applied to existing electrified transportation systems where it is necessary to consider the effects of stray currents. This document does not specify working rules for maintenance but provides design requirements to allow maintenance.
- Document number:DIN EN 50122-2; VDE 0115-4
- Issuing date:2023-03-01
- Document type:Norm
- Title:Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 2: Provisions against the effects of stray currents caused by DC traction systems; German version EN 50122-2:2022
- Replaces:DIN EN 50122-2(2011-09); DIN EN 50122-2(2021-05)
- Author:German Commission for Electrical, Electronic and Information Technologies of DIN and VDE
- Search term:AC network; Cables; Corrosion; Corrosion protection; Direct current; Direct current installations; Direct current trains; Direct-current power transmission; Direct-current system; Earthing; Earthing installations; Electric current; Electric power systems; Electrical engineering; Electrical equipment; Electrical hazards; Electrical protection equipment; Electrical safety; Electrochemical corrosion; Elevated railways; Fault currents; Hazards; Industrial facilities; Locomotive haulage; Mains supply; Material hauling tracks; Measure; Mechanical hazards; Methods; Mountain railways; Pipelines; Plant; Protection; Protective measures; Railway applications; Railway earthing; Railway installations; Railway track; Railways; Return lines; Safety requirements; Stationary; Stray current; Supply systems; Surveillance (approval); Traction network; Tramway systems; Trolley coaches; Underground railways
- Application areas:05.10 Stromerzeugungs- und Verteilungsanlagen
- Hazards:AC Mess- und Prüfverfahren für die Ermittlung von Belastungen und Gefährdungen; EB Berühren spannungsführender oder leitfähiger Teile; KE Belastungen durch Funktionsstörungen an Arbeitsmitteln (Ausfall, Bruch, fehlerhafte Montage, Softwarefehler, Störung der Energieversorgung)
- ICS:29.120.50 Fuses and other overcurrent protection devices; 29.280 Electric traction equipment
- Price:80,93 EUR
- Cross references:EN 50122-1 (2022-09)<S>; EN 50122-3 (2022-09)<S>; EN 50163 (2004-11)<G>; DIN EN 13146-5 (2017-07); DIN EN 50122-1 (2023-02); DIN EN 50122-3 (2023-03); DIN EN 50162 (2005-05); DIN EN 50163 (2005-07); DIN EN 50526-2 (2014-07); DIN EN 50526-3 (2017-01); DIN EN 62631-3-1 (2017-01); DIN EN 62631-3-1 Berichtigung 1 (2018-09); DIN EN ISO 21857 (2022-08); EN 13146-5 (2012-04); EN 13146-5/AC (2017-05); EN 50526-2 (2014-02); EN 50526-3 (2016-01); EN ISO 21857 (2021-10); EN IEC 62631-3-1 (2023-03)
- Cited in:DIN EN 50122-3 (2023-03)
- Identical with:EN 50122-2(2022-09)<IDT>
- Update flag:Unchanged