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  • BS EN IEC 62271-112:2021

    Current The latest, up-to-date edition.

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

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  13-09-2021

    Publisher:  British Standards Institution

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    Abstract - (Show below) - (Hide below)

    This part of IEC 62271 applies to AC high-speed earthing switches (hereinafter termed HSES) designed for indoor and outdoor installation and for operation at service frequencies of 50 Hz and 60 Hz on systems having rated voltages of 550 kV and above.

    Scope - (Show below) - (Hide below)

    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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    Committee PEL/17
    Document Type Standard
    Product Note THIS STANDARD IS ALSO REFERES TO:-BS EN 62271-1:2017-TC,BS EN IEC 62271-102:2018-TC.
    Publisher British Standards Institution
    Status Current
    Supersedes
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