I.S. EN IEC 62271-112:2021
Current
The latest, up-to-date edition.
High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines (IEC 62271-112:2021)
Hardcopy , PDF
English
20-09-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Normal and special service conditions
5 Ratings
6 Design and construction
7 Type tests
8 Routine tests
9 Guide to the selection of HSESs (informative)
10 Information to be given with enquiries, tenders and orders (informative)
11 Transport, storage, installation, operating instructions and maintenance
12 Safety
Annex A (informative) Background information on the use of HSESs
Annex B (informative) Induced current and voltage conditions for other cases
Bibliography
This part of IEC 62271 applies to AC high-speed earthing switches (hereinafter termed HSES) designed for indoor and outdoor installation and for operation at service frequencies of 50 Hz and 60 Hz on systems having rated voltages of 550 kV and above.
Committee |
TC 17
|
DocumentType |
Standard
|
ISBN |
978-2-8322-1001-6
|
Pages |
68
|
ProductNote |
The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
|
PublisherName |
National Standards Authority of Ireland
|
Status |
Current
|
Supersedes |
Standards | Relationship |
EN IEC 62271-112:2021 | Identical |
IEC 62271-112:2021 | Identical |
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