IEC TS 62271-316:2024
(Main)High-voltage switchgear and controlgear - Part 316: Direct current by-pass switches and paralleling switches
High-voltage switchgear and controlgear - Part 316: Direct current by-pass switches and paralleling switches
IEC TS 62271-316:2024 is applicable to direct current (DC) converter by-pass switches (CBPS) and paralleling switches (PS) designed for indoor or outdoor installation and for operation on HVDC transmission systems having direct voltages of 100 kV and above. Switches other than mechanical switching devices used for the same applications specified here are not covered by this document.
General Information
Standards Content (Sample)
IEC TS 62271-316 ®
Edition 1.0 2024-11
TECHNICAL
SPECIFICATION
High-voltage switchgear and controlgear –
Part 316: Direct current by-pass switches and paralleling switches
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IEC TS 62271-316 ®
Edition 1.0 2024-11
TECHNICAL
SPECIFICATION
High-voltage switchgear and controlgear –
Part 316: Direct current by-pass switches and paralleling switches
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.130.10 ISBN 978-2-8322-9818-3
– 2 – IEC TS 62271-316:2024 © IEC 2024
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
3.1 General terms and definitions . 8
3.2 Assemblies of switchgear and controlgear . 9
3.3 Parts of assemblies . 9
3.4 Switching devices . 9
3.5 Parts of switchgear and controlgear . 11
3.6 Operational characteristics of switchgear and controlgear . 13
3.7 Characteristic quantities . 15
3.8 Index of definitions . 20
4 Normal and special service conditions . 22
5 Ratings . 22
5.1 General . 22
5.2 Rated direct voltage (U ) . 23
rd
5.3 Rated insulation level (U , U , U ) . 24
dd p s
5.4 Rated continuous current (I ) . 24
rd
5.5 Rated values of short-time withstand current . 24
5.6 Rated supply voltage of auxiliary and control circuits (U ) . 24
a
5.7 Rated supply frequency of auxiliary and control circuits . 24
5.8 Rated pressure of compressed gas supply for controlled pressure systems . 24
5.101 Rated commutation current . 25
5.102 Rated operating sequence . 25
6 Design and construction . 25
6.1 Requirements for liquids in switchgear and controlgear . 25
6.2 Requirements for gases in switchgear and controlgear . 25
6.3 Earthing of switchgear and controlgear . 25
6.4 Auxiliary and control equipment and circuits . 25
6.5 Dependent power operation . 26
6.6 Stored energy operation . 26
6.7 Independent unlatched operation (independent manual or power operation) . 26
6.8 Manually operated actuators . 26
6.9 Operation of releases . 26
6.10 Pressure/level indication . 26
6.11 Nameplates. 26
6.12 Locking devices . 28
6.13 Position indication . 28
6.14 Degrees of protection provided by enclosures . 28
6.15 Creepage distances for outdoor insulators . 28
6.16 Gas and vacuum tightness . 28
6.17 Tightness for liquid systems . 28
6.18 Fire hazard (flammability) . 28
6.19 Electromagnetic compatibility (EMC) . 28
6.20 X-ray emission . 28
6.21 Corrosion . 28
6.22 Filling levels for insulation, switching and/or operation . 28
6.101 Design of BPSs and PSs . 29
6.102 General requirement for operation . 29
6.103 Pressure limits of fluids for operation . 30
6.104 Time quantities . 30
6.105 Static mechanical loads . 30
7 Type tests . 31
7.1 General . 31
7.2 Dielectric tests . 32
7.3 Resistance measurement . 35
7.4 Continuous current tests . 35
7.5 Short-time withstand current and peak withstand current tests . 36
7.6 Verification of the protection . 36
7.7 Tightness tests . 36
7.8 Electromagnetic compatibility tests (EMC) . 36
7.9 Additional tests on auxiliary and control circuits . 37
7.10 X-radiation test procedure for vacuum interrupters . 38
7.101 Mechanical and environmental tests . 38
7.102 Current commutation test . 47
8 Routine tests . 47
8.1 General . 47
8.2 Dielectric test on the main circuit . 47
8.3 Tests on auxiliary and control circuits . 48
8.4 Measurement of the resistance of the main circuit . 48
8.5 Tightness test . 48
8.6 Design and visual checks . 48
8.101 Mechanical operating tests . 48
9 Guide to the selection of switchgear and controlgear (informative) . 50
9.1 General . 50
9.2 Selection of rated values . 50
9.3 Cable-interface connections . 52
9.4 Continuous or temporary overload due to changed service conditions . 52
9.5 Environmental aspects . 53
10 Information to be given with enquiries, tenders and orders (informative) . 53
10.1 General . 53
10.2 Information with enquiries and orders . 53
10.3 Information to be given with tenders. 54
11 Transport, storage, installation, operation instructions and maintenance. 55
11.1 General . 55
11.2 Conditions during transport, storage and installation . 55
11.3 Installation . 55
11.4 Operating instructions . 61
11.5 Maintenance . 61
11.101 Resistors and capacitors . 61
12 Safety . 61
13 Influence of the product on the environment . 61
Annex A (normative) Tolerances on test quantities during type tests . 62
Annex B (normative) Records and reports of type tests . 65
– 4 – IEC TS 62271-316:2024 © IEC 2024
B.1 Information and results to be recorded . 65
B.2 Information to be included in type test reports .
...
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