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SR EN 62271-202:2014

Aparataj de înaltă tensiune. Partea 202: Staţii prefabricate de înaltă/joasă tensiune

IEC 62271-202:2014 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 1 kV and up to and including 52 kV on the high voltage side, and for one or more transformers for service frequencies up to and including 60 Hz for outdoor installation at locations with public accessibility and where protection of personnel is provided. This second edition cancels and replaces the first edition published in 2006. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) regarding temperature-rise test an alternative method for liquid filled transformers is (re)introduced and the temperature-rise test method for dry-type transformers is specified more precisely; b) testing procedure for short time and peak withstand

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Status : Anulat
Data aprobării : 23.12.2014
Data anulării : 27.07.2025
Număr de pagini : 201
ICS : 29.130.10 Aparate de conectare si comanda de înalta tensiune
Comitet tehnic : 8 - Aparataj electric de înaltă tensiune

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