UNE-EN 62271-201:2015

1 General
   1.1 Scope
   1.2 Normative references
2 Normal and special service conditions
3 Terms and definitions
4 Ratings
   4.1 Rated voltage (U[r])
   4.2 Rated insulation level
   4.3 Rated frequency (f[r])
   4.4 Rated normal current and temperature rise
   4.5 Rated short-time withstand current (I[k])
   4.6 Rated peak withstand current (I[p])
   4.7 Rated duration of short circuit (t[k])
   4.8 Rated supply voltage of closing and opening devices
         and of auxiliary and control circuits (U[a])
   4.9 Rated supply frequency of operating devices and of
         auxiliary and control circuits
   4.10 Rated pressure of compressed gas supply for insulation
         and/or operation
5 Design and construction
   5.1 Requirements for liquids in switchgear and controlgear
   5.2 Requirements for gases in switchgear and controlgear
   5.3 Earthing of switchgear and controlgear
   5.4 Auxiliary and control equipment
   5.5 Dependent power closing
   5.6 Stored energy closing
   5.7 Independent manual operation
   5.8 Operation of releases
   5.9 Low- and high-pressure interlocking and monitoring devices
   5.10 Nameplates
   5.11 Interlocking devices
   5.12 Position indication
   5.13 Degrees of protection by enclosures
   5.14 Creepage distances
   5.15 Gas and vacuum tightness
   5.16 Liquid tightness
   5.17 Flammability
   5.18 Electromagnetic compatibility (EMC)
   5.101 Internal fault
   5.102 Insulation enclosure
   5.103 Compartments
   5.104 Removable parts
   5.105 Provisions for dielectric tests on cables
 6 Type tests
   6.1 General
   6.2 Dielectric tests
   6.3 Radio interference voltage (r.i.v.) test
   6.4 Measurement of the resistance of circuits
   6.5 Temperature-rise tests
   6.6 Short-time withstand current and peak withstand current
         tests
   6.7 Verification of the protection
   6.8 Tightness tests
   6.9 Electromagnetic compatibility tests (EMC)
   6.10 Additional tests on auxiliary and control circuits
   6.101 Verification of making and breaking capacities
   6.102 Mechanical operation tests
   6.103 Pressure withstand test for gas-filled compartments
   6.104 Tests to prove the protection of persons against
         electric shock
   6.105 Internal arcing test
   6.106 Thermal stability test
   6.107 Humidity test
7 Routine tests
   7.1 Dielectric tests on the main circuit
   7.2 Tests on auxiliary and control circuits
   7.3 Measurement of the resistance of the main circuit
   7.4 Tightness test
   7.5 Design and visual checks
   7.101 Partial discharge measurement
   7.102 Mechanical operation tests
   7.103 Pressure tests of gas-filled compartments
   7.104 Tests of auxiliary electrical, pneumatic and hydraulic
         devices
   7.105 Tests after erection on site
   7.106 Measurement of fluid condition after filling on site
8 Guide to the selection of insulation-enclosed switchgear and
   controlgear for service
   8.1 Selection of rated values
   8.2 Selection of design and construction
   8.3 Internal arc classification
9 Information to be given with enquiries, tenders and orders
   9.101 Information to be given with enquiries and orders
   9.102 Information to be given with tenders
10 Rules for transport, storage, erection and maintenance
   10.1 Conditions during transport, storage and erection
   10.2 Installation
   10.3 Operation
   10.4 Maintenance
11 Safety
   11.101 Procedures
   11.102 Internal arc aspects
12 Influence of the product on the environment
Annex A (normative) Internal fault - Method for testing the
        insulation-enclosed switchgear and controlgear under
        conditions of arcing due to an internal fault
Annex B (normative) Partial discharge measurement
Annex C (normative) Humidity test
Annex D (informative) Protection grades
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Annex ZB (informative) A-deviations
Bibliography

Describes requirements for factory-assembled insulation-enclosed switchgear and controlgear for alternating current of rated voltages above 1 kV and up to and including 52 kV for indoor installation and for service frequencies up to and including 60 Hz.