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BSI BS EN IEC 62271-112:2021

High-voltage switchgear and controlgear -- Alternating current high-speed earthing switches for secondary arc extinction on transmission lines
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BSI BS EN IEC 62271-112:2021

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

PUBLISH DATE 2021
PAGES 34
BSI BS EN IEC 62271-112:2021
This part of IEC 62271 applies to AC high-speed earthing switches (hereafter termed HSES) 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. 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.
SDO BSI: British Standards Institution
Document Number IEC 62271-112
Publication Date Sept. 13, 2021
Language en - English
Page Count 34
Revision Level
Supercedes
Committee PEL/17
Publish Date Document Id Type View
Sept. 13, 2021 BS EN IEC 62271-112:2021 Revision