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BSI 24/30459244 DC 2024

BSI 24/30459244 DC 2024

$13.70

BS EN IEC 62271-205 High-voltage switchgear and controlgear – Part 205: Compact switchgear assemblies for rated voltages above 52 kV

Published By Publication Date Number of Pages
BSI 2024 43
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PDF Catalog

PDF Pages PDF Title
7 FOREWORD
8 INTRODUCTION
9 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR
Part 205: Compact switchgear assemblies, mobile and prefabricated substations for rated voltage above 52 kV
1 Scope
10 2 Normative references
11 3 Terms and definitions
3.1 General terms
12 3.2 Assemblies of switchgear and controlgear
mobile substation
4 Normal and special service conditions
13 5 Rating
5.1 General
5.2 Rated voltage ()
5.3 Rated insulation level
5.4 Rated frequency ()
5.5 Rated continuous current ()
14 5.6 Rated short-time withstand current （）
5.7 Rated peak withstand current ()
5.8 Rated duration of short circuit ()
5.9 Rated supply voltage of auxiliary and control circuits ()
6 Design and construction
6.1 General
15 6.2 Requirements for liquids
6.2.1 Switchgear and controlgear
6.2.2 Transformer and voltage transformer
6.3 Requirements for gases
6.3.1 Switchgear and controlgear
6.3.2 Transformer
6.4 Earthing of compact switchgear assemblies and mobile/prefabricated substations
6.5 Auxiliary and control equipment and circuits
6.6 Dependent power operation
6.7 Stored energy operation
6.8 Independent unlatched operation (independent manual or power operation)
6.9 Manually operated actuators
6.10 Operation of releases
6.11 Pressure/level indication
6.12 Nameplates
16 6.13 Locking devices
6.14 Position indication
6.15 Degrees of protection provided by enclosures
6.16 Creepage distances for outdoor insulators
6.17 Gas and vacuum tightness
6.18 Tightness for liquid systems
6.19 Fire hazard (flammability)
6.20 Electromagnetic compatibility (EMC)
6.21 X-ray emission
17 6.22 Corrosion
6.23 Filling levels for insulation, switching and/or operation
6.101 Connection of compact switchgear assemblies to transformer
6.102 Pressure relief devices
6.103 Movement of pressurized devices
6.104 Isolating distance for maintenance
6.105 Lightning protection
6.106 High-voltage module
6.107 Transformer module
6.108 Medium-voltage module
6.109 Control and protection module
6.110 Auxiliary facilities
6.110.1 Fire protection system
18 6.110.2 Illumination
6.110.3 Heating and ventilation facilities
6.111 Sound emission (Specific A-weighted sound pressure levels)
7 Type test
7.1 General
7.1.1 Basics
20 7.1.2 Information for identification of test objects
7.1.3 Information to be included in type-test reports
7.2 Dielectric tests
7.2.1 General
7.3 Radio interference voltage (r.i.v.) test
7.4 Resistance measurement
7.4.1 Measurement of the resistance of auxiliary contacts class 1 and class 2
7.4.2 Measurement of the resistance of auxiliary contacts class 3
7.4.3 Electrical continuity of earthed metallic parts test
7.4.4 Resistance measurement of contacts and connections in the main circuit as a condition check
21 7.4.4.1 Resistance measurement test procedure
7.4.4.2 Making and breaking tests
7.4.4.3 Other tests
7.5 Continuous current tests
7.5.1 Condition of the test object
7.5.2 Arrangement of the equipment
7.5.3 Test current and duration
7.5.3.1 Test on main circuit
22 7.5.3.2 Test of the auxiliary and control equipment
7.5.4 Temperature measurement during test
7.5.4.1 Ambient air temperature
7.5.4.2 Temperature of test object
7.5.5 Resistance of the main circuit
7.5.6 Criteria to pass test
7.6 Short-time withstand current and peak withstand current tests
7.6.1 General
7.6.2 Arrangement of the equipment and of the test circuit
7.6.3 Test current and duration
7.6.4 Conditions of the test object after test
23 7.7 Verification of the protection
7.7.1 verification of the IP coding
7.7.2 Verification of the IK coding
7.8 Tightness tests
7.8.1 General
7.8.2 Controlled pressure systems for gas
7.8.3 Closed pressure systems for gas
7.8.4 Sealed pressure systems
7.8.5 Liquid tightness tests
7.9 Electromagnetic compatibility tests
7.10 Additional tests on auxiliary and control circuits
7.11 X-radiation test for vacuum interrupter
24 7.102.1 Miscellaneous provisions for mechanical and environmental tests
7.102.2 Mechanical operation tests at ambient temperature
25 7.102.3 Low and high temperature tests
7.102.4 Operation under severe ice conditions
7.102.5 Static terminal load test
7.103.1 General
7.103.2 Test procedure
7.103.3 Criteria to pass the test
26 7.104.1 General
7.104.2 Test procedure
7.104.3 Criteria to pass the test
8 Routine tests
8.1 General
8.2 Dielectric test on the main circuit
27 8.3 Tests on auxiliary and control circuits
8.4 Measurement of the resistance of the main circuit
8.5 Tightness test
8.6 Design and visual checks
8.101 functional tests on auxiliary and control circuits
8.102 Functional tests (for substations only)
9 Guide to the selection of switchgear and controlgear (informative)
9.1 General
9.2 Selection of rated values
9.3 Cable-interface considerations
9.4 Continuous or temporary overload due to changed service conditions
9.5 Environmental aspects
28 9.101 Guide to the selection of compact switchgear assembly and mobile/prefabricated substations
9.101.1 Compact switchgear assembly
9.101.2 GIS
9.101.3 Mobile/prefabricated substations
10 Information to be given with enquiries, tenders and orders (informative)
33 11 Transport, storage, installation, operating instructions and maintenance
11.1 General
11.2 Conditions during transport, storage and installation
11.3 Installation
11.3.1 General
11.3.2 Commissioning tests for mobile and prefabricated substations
11.3.2.1 General
11.3.2.2 Dielectric test
11.3.2.3 Measurement of the earthing resistance
11.3.3 Commissioning tests for compact switchgear assembly
11.3.3.1 General
11.3.3.2 Dielectric test
11.3.3.3 Measurement of the circuit resistance
11.4 Operating instructions
11.5 Maintenance
34 12 Safety
13 Influence of the product on the environment
35 Annex A (informative) Explanations of compact switchgear assemblies
A.1 Explanations of the scope of compact switchgear assemblies
A.2 Explanation of mixed technologies switchgear (MTS)
36 A.3 Examples of compact switchgear assemblies
41 B.1 Background
B.2 Examples
43 Bibliography

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