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NEK IEC 62271-112:2021 RLV

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Merknad: Denne standarden har en ny utgave: NEK IEC 62271-112:2021

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IEC 62271-112:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 62271-112:2021 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. 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. This second edition cancels and replaces the first edition published in 2013. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: The document has been updated to the second edition of IEC 62271-1:2017.

Dokumentinformasjon

  • Redline fra NEK
  • Publisert:
  • Utgave: 2.0
  • Versjon: 1
  • Varetype: NAT
  • Products.Specs.pages
  • ICS 29.130.10
  • ICS 29.130.99
  • National Committee NEK/NK17A+C

Produktrelasjon

  • Adoptert fra: IEC 62271-112:2021 RLV