BH GSO IEC 62271-112:2017

IEC 62271-112:2013

Bahraini Standard Current Edition · Approved on 21 June 2017

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

BH GSO IEC 62271-112:2017 Files

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BH GSO IEC 62271-112:2017 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

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