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IEC 62271-112-ed.2.0-RLV
High-voltage switchgear and controlgear - Part 112: Alternating current high-speed earthing switches for secondary arc extinction on transmission lines
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STANDARD published on 13.7.2021
The information about the standard:
Designation standards: IEC 62271-112-ed.2.0-RLV
Publication date standards: 13.7.2021
SKU: NS-1096020
The number of pages: 84
Approximate weight : 283 g (0.62 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
High voltage switchgear and controlgearOther switchgear and controlgear
Annotation of standard text IEC 62271-112-ed.2.0-RLV :
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.
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