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IEC 62271-112 Ed. 2.0 b:2021

High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines
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IEC 62271-112 Ed. 2.0 b:2021

High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines

PUBLISH DATE 2021
PAGES 58
IEC 62271-112 Ed. 2.0 b:2021
High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines
IEC 62271-112:2021 is available as IEC 62271-112:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 62271-112:2021 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. HSESs described in this document are intended to extinguish the secondary arc remaining after clearing faults on transmission lines by the circuit-breakers. For more detailed information on HSESs, refer to Annex A. This second edition cancels and replaces the first edition published in 2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: The document has been updated to the second edition of IEC 62271-1:2017.

SDO IEC: International Electrotechnical Commission
Document Number IEC 62271
Publication Date July 1, 2021
Language b - English & French
Page Count 58
Revision Level 2.0
Supercedes
Committee 17A
Publish Date Document Id Type View
Not Available Revision
Not Available Revision
Not Available Revision
July 1, 2021 Revision
July 1, 2021 IEC 62271-112 Ed. 2.0 b:2021 Revision