1 General
   1.1 Scope
   1.2 Normative references
2 Normal and special service conditions
   2.1 Normal service conditions
   2.2 Special service conditions
3 Terms and definitions
4 Ratings
   4.1 Rated voltage for equipment (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 closing and opening
        devices and of auxiliary 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 operation
   5.6 Stored energy operation
   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)
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 Gas tightness tests
   6.9 Electromagnetic compatibility tests (EMC)
   6.10 Additional tests on auxiliary and control circuits
7 Routine tests
   7.1 Dielectric test 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
8 Guide to the selection of switchgear and controlgear
9 Information to be given with enquiries, tenders and
   orders
10 Rules for transport, storage, installation, operation
   and maintenance
   10.1 Conditions during transport, storage and installation
   10.2 Installation
   10.3 Operation
   10.4 Maintenance
11 Safety
12 Environmental aspects
Annex A (normative) Test procedure for dielectric test
                      on three-phase encapsulated GIS,
                      range II
  A.1 Dielectric procedures for three phases in one GIS
       enclosure
  A.2 Application of test requirements
Annex B (normative) Methods for testing gas-insulated
                      metal-enclosed switchgear under
                      conditions of arcing due to an
                      internal fault
  B.1 Introduction
  B.2 Short-circuit current arcing test
  B.3 Composite verification by calculation and
       separate tests
Annex C (informative) Technical and practical
                      considerations of site testing
  C.1 Test voltage generators
  C.2 Locating discharges
  C.3 Special test procedures
  C.4 Partial discharge measurements
  C.5 Electrical conditioning
  C.6 Repetition tests
  C.7 Partial discharge detection method
Annex D (informative) Calculations related to an internal
                      fault
  D.1 Calculation of pressure rise due to an internal
       fault
Annex E (informative) Information to be given with enquiries,
                      tenders and orders
  E.1 Introduction
  E.2 Normal and special service conditions
  E.3 Ratings
  E.4 Design and construction
  E.5 Bus ducts
  E.6 Circuit-breaker
  E.7 Disconnector and earthing switch
  E.8 Bushing
  E.9 Cable connection
  E.10 Transformer connection
  E.11 Current transformer
  E.12 Inductive voltage transformer
  E.13 Documentation for enquiries and tenders
Bibliography