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  • BSI
    BS EN 50122-1:2022 - TC Tracked Changes. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit - Protective provisions against electric shock
    Edition: 2023
    $798.15
    / user per year

Description of BS EN 50122-1:2022 - TC 2023

This document specifies requirements for the protective provisions relating to electrical safety in fixed installations associated with AC and/or DC traction systems and to any installations that can be endangered by the electric traction power supply system. This also includes requirements applicable to vehicles on electrified lines. It also applies to all aspects of fixed installations which are necessary to ensure electrical safety during maintenance work within electric traction power supply systems. This document applies to new electric traction power supply systems and major revisions to electric traction power supply systems for: a) railways; b) guided mass transport systems such as 1) tramways, 2) elevated and underground railways, 3) mountain railways, 4) trolleybus systems, 5) electric traction power supply systems for road vehicles, which use an overhead contact line system, and 6) magnetically levitated systems, which use a contact line system; c) material transportation systems. This document does not apply to: a) electric traction power supply systems in underground mines, b) cranes, transportable platforms and similar transportation equipment on rails, temporary structures (e.g. exhibition structures) in so far as these are not supplied directly or via transformers from the contact line system and are not endangered by the electric traction power supply system, c) suspended cable cars, d) funicular railways, e) existing vehicles. This document does not specify working rules for maintenance. The requirements within this document related to protection against electric shock are applicable to persons only.

Standard NumberBS EN 50122-1:2022 - TC
TitleTracked Changes. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit - Protective provisions against electric shock
StatusDefinitive
Publication Date2023-09-29
DescriptorsOverhead contact systems, Switching substations, Protective relays, Electrical protection equipment, Earth-leakage circuit-breakers, Earth conductors, Electric power transmission, Overhead power lines, Electrical safety, Alternating current, Earthing, Electrical faults, Railway equipment, Clearances, Railway electric traction equipment, Ground-level contact systems, Railway fixed equipment, Rail safety, Electric substations, Safety measures, Electric shocks, Voltage, Direct current
ICS29.280 Electric traction equipment, 29.120.50 Fuses and other overcurrent protection devices
CommitteeGEL/9/3
ISBN978 0 539 24864 7
PublisherBSI
Pages272

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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