SR EN 62271-202:2014

High-voltage switchgear and controlgear - Part 202: High-voltage/low-voltage prefabricated substation

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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General information

Status : Withdrawn
Approval date : 12/23/2014
Withdrawal date : 7/27/2025
Number of pages : 201
ICS : 29.130.10 High voltage switcgear and controlgear
Technical Committee : 8 - High-voltage switchgear and controlgear and testing techniques, instrument transformers

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