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EVS-EN 62271-112:2013

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

General information
Withdrawn from 16.09.2021
Base Documents
IEC 62271-112:2013; EN 62271-112:2013
Directives or regulations
None
Standard history
Status
Date
Type
Name
16.09.2021
Main
14.11.2013
Main
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.
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