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Description of BS EN 62271-202:2014 2015This part of IECÂ 62271 specifies the service conditions, rated characteristics, general structural requirements and test methods of high voltage/low voltage or low voltage/high voltage prefabricated substations, which are cable-connected, to be operated from inside (walk-in type) or outside (non-walk-in type) for alternating current of rated voltages above 1Â kV and up to and including 52Â kV on the high voltage side, and for one or more transformers for service frequencies up to and including 60Â Hz for outdoor installation at locations with public accessibility and where protection of personnel is provided. Prefabricated substations can be situated at ground level or partially or completely below ground level. In general a prefabricated substation comprises an enclosure containing the following electrical components:
However, relevant provisions of this standard are applicable to designs where not all these electrical components exist (for example, an installation consisting of power transformer and low voltage switchgear). Non-prefabricated substations should comply with the applicable requirements of IEC 61936‑1:2010 .
About BSIBSI 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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