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SR EN 50633:2017

Railway applications - Fixed installations - Protection principles for AC and DC electric traction systems

This European Standard applies to the electrical protection system, provided for AC and DC electric traction systems. It: - establishes railway specific protection principles; - describes the railway specific protection system functionality; - specifies minimum functional requirements and informative examples of their application; - establishes limitations of the protection system and the acceptability of residual risks; - specifies principles for conformity assessment. It applies to: - railways; - guided mass transport systems, such as tramways, elevated and underground railways, mountain railways, trolleybus systems, and magnetically levitated systems which use a contact line system. This European Standard may also be applied to electrified road traffic with a contact line, such as truck-trolley systems. This European Standard applies to new electric traction systems and may be applied to changes of existing systems. It does not apply to: - underground mine traction systems; - cranes, transportable platforms and similar transportation equipment on rails, temporary structures

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Status : Valid
Approval date : 3/31/2017
Number of pages : 48
ICS : 29.280 Electric traction equipment
Technical Committee : 4 - Electrical equipment and systems for railways

Relations with other standards: