IEC 62271-112:2013 ED1

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

Publication date:   Aug 6, 2013

General information

99.60   Withdrawal effective   Jul 13, 2021

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IEC

TC 17/SC 17A

International Standard

29.130.10   High voltage switchgear and controlgear | 29.130.99   Other switchgear and controlgear

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Scope

IEC 62271-112:2013 applies to a.c. high-speed earthing switches designed for indoor and outdoor installation and for operation at service frequencies of 50 Hz and 60 Hz on systems having voltages of 550 kV and above. High-speed earthing switches described in this standard are intended to extinguish the secondary arc remaining after clearing faults on transmission lines by the circuit-breakers.

This publication is to be read in conjunction with IEC 62271-1:2007.

Life cycle

NOW

WITHDRAWN
IEC 62271-112:2013 ED1
99.60 Withdrawal effective
Jul 13, 2021

REVISED BY

PUBLISHED
IEC 62271-112:2021 ED2