Hlavní stránka>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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sklademVydáno: 2021-09-13
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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This standard BS EN IEC 62271-112:2021 High-voltage switchgear and controlgear is classified in these ICS categories:
29.130.99 Other switchgear and controlgear
29.130.10 High voltage switchgear and controlgear
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.
