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IEC 62271-112 Ed. 1.0 Edition 08/2013
High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines
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  • 191 / copy
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Abstract

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.

Status

Draft - Active

Origin

Technical Committee :
17A : Switching devices

Implementation

start of the vote on the project    23/03/2012   date of ratification (dor)   
end of the vote on the project    23/05/2012   date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60951-3 Ed.3.0 RLV
IEC 62271-112 Ed.2.0

International Classification for Standards (ICS codes) :

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

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