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EVS-EN IEC 62271-112:2021

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

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Kehtiv alates 16.09.2021
Alusdokumendid
IEC 62271-112:2021; EN IEC 62271-112:2021
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Staatus
Kuupäev
Tüüp
Nimetus
16.09.2021
Põhitekst
14.11.2013
Põhitekst
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.

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