I.S. EN 62271-202:2014

National Foreword
FOREWORD
INTRODUCTION
1 General
2 Normal and special service
   conditions
3 Terms and definitions
4 Ratings
5 Design and construction
6 Type tests
7 Routine tests
8 Guide to the selection of
   prefabricated substation
9 Information to be given with
   enquiries, tenders and orders
10 Transport, storage, installation,
   operation, maintenance
11 Safety
12 Influence of the product on the
   environment
Annex AA (normative) - Internal arc
         fault - Method to verify the
         internal arc classification (IAC)
Annex BB (normative) - Test to verify
         the sound level of a
         prefabricated substation
Annex CC (normative) - Mechanical
         impact test
Annex DD (informative) - Rating of
         transformers in an enclosure
Annex EE (informative) - Examples of
         earthing circuits
Annex FF (informative) - Characteristics of
         enclosure materials
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Defines 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.