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Publication details

Publication CODE Title
NBN EN IEC 62271-112:2021 (2021-09) HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 112: ALTERNATING CURRENT HIGH-SPEED EARTHING SWITCHES FOR SECONDARY ARC EXTINCTION ON TRANSMISSION LINES
 
Price Excl. VAT Total number of pages, tables and drawings
14.00 € 3.
Description
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.
Class  C
Available files
ATTENTION: Belgian registered standards (NBN EN or NBN HD) are generally only available in English or French. Only the cover page is translated and the document itself is in English or in French.

DE version
EN version
FR version
Status
Status IEC PUBLICATION
Situation Currently active
Origin
Committee CLC/TC 17AC
High-voltage switchgear and controlgear
Approval
BEC Approval 2021-08-17
NBN Approval 2021-09-08
NBN Status New
Date of ratification (d.o.r.) 2021-08-17
Date of announcement (d.o.a.) 2021-11-17
IEC file modification date 2021-09-04