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

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English - French

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13-07-2021

Publisher

International Electrotechnical Committee

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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.

Committee	TC 17/SC 17A
DocumentType	Standard
Pages	54
PublisherName	International Electrotechnical Committee
Status	Current
Supersedes	IEC 62271-112:2013

Standards	Relationship
DIN EN IEC 62271-112:2023-01	Identical
OVE EN IEC 62271-112:2023 02 01	Identical
VDE 0671-112:2023-01	Identical
I.S. EN IEC 62271-112:2021	Identical
EN IEC 62271-112:2021	Identical
CEI EN IEC 62271-112:2022	Identical
PN-EN IEC 62271-112:2022-04	Identical
SS-EN IEC 62271-112, UTG 2:2021	Identical
BS EN IEC 62271-112:2021	Identical
UNE-EN IEC 62271-112:2021	Identical

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IEC 62271-112:2021

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

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