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Publication details

Publication CODE Title
IEC 62271-108:2020 (2020-07) HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 108: HIGH-VOLTAGE ALTERNATING CURRENT DISCONNECTING CIRCUIT-BREAKERS FOR RATED VOLTAGES ABOVE 52 kV
 
Price Excl. VAT Total number of pages, tables and drawings
136.00 € 42.
Description
IEC 62271-108:2020 applies to high-voltage alternating current disconnecting circuit-breakers for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 52 kV.
This second edition cancels and replaces the first edition published in 2005. This edition contains the following significant technical changes with respect to the previous edition:
- The document has been restructured according to IEC 62271-1:2017.
- The document has been adapted to some of the changes introduced in IEC 62271-100:-[1].
- The document has been adapted to some of the changes introduced in IEC 62271-102:2018.
- References have been reviewed and updated.
- Some definitions have been reviewed and adapted to the latest IEV editions.
- Rated static terminal load and static terminal load test have been removed and a design requirement for static mechanical loads has been included.
- Additional type tests for auxiliary and control circuits have been included.
- X-radiation test procedure for vacuum interrupters has been included.
- Type test for testing of interlocking device and type test for testing of temporary mechanical locking devices have been included.
- Special requirements for making and breaking tests on class E2 disconnecting circuit-breakers have been removed.
[1] Under preparation. Stage at the time of publication: IEC CDV 62271-100:2020.
Class  C990  (IEC PUBLICATIONS IEC PUBLICATIONS)
Available files
EN/FR version

Status
Status IEC PUBLICATION
Situation Currently active
Replaces  IEC 62271-108:2005
Origin
Committee TC 17/SC 17A
HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR
Responsible Ir DELENS Marc
Approval
BEC Approval 2020-07-09
ICS-Code (International Standards Classification) 29.130.10
NBN Status New
IEC publication date 2020-07-09
IEC stability date 2028-12-31
IEC file modification date 2020-07-09
IEC last modification date 2020-07-09