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  • BSI
    BS EN IEC 62271-103:2023 - TC Tracked Changes. High-voltage switchgear and controlgear - Alternating current switches for rated voltages above 1 kV up to and including 52 kV
    Edition: 2024
    $798.15
    / user per year

Description of BS EN IEC 62271-103:2023 - TC 2024

IEC 62271-103:2021 is applicable to three-phase, alternating current switches and switch-disconnectors for their switching function, having making and breaking current ratings, for indoor and outdoor installations, for rated voltages above 1 kV up to and including 52 kV and for rated frequencies from 162/3 Hz up to and including 60 Hz. This document is also applicable to single-pole switches used on three-phase systems. This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - this document has been aligned with IEC 62271-1:2017 and IEC 62271-102:2018; - clarifications regarding the behaviour of the switch during breaking tests regarding current interruption and restrikes have been added; - conditions of the switch after making and breaking tests have been clarified; - a new informative Annex B intended to provide guidance for the calculation of Ief1 and Ief2 has been added; - new rules for the combination of 50 Hz and 60 Hz switching tests have been defined and a new table (Table 7) has been added; - tests with specified TRV have been modified to be in accordance with the practice described in IEC 62271-100; - the behaviour of the switch during breaking tests has been clarified and boundaries for restrike allowance have been defined; - explanations for short-circuit making tests have been added; - vacuum integrity check after mechanical operations has been defined; - all test voltages for single-phase capacitive testing have been grouped under 7.101.7.3.2 and have been confirmed by simulation and calculation.

Standard NumberBS EN IEC 62271-103:2023 - TC
TitleTracked Changes. High-voltage switchgear and controlgear - Alternating current switches for rated voltages above 1 kV up to and including 52 kV
StatusDefinitive
Publication Date2024-01-08
DescriptorsInstructions for use, Circuits, Rated voltage, Environmental testing, Marking, Ratings, Switches, Electrical equipment, Switchgear, High-voltage equipment, Type testing, Interruption tests, Technical data sheets, Ordering, Electrical testing, Electrical protection equipment, Alternating current, Electric control equipment, Mechanical testing, Breaking capacity, Selection
ICS29.130.10 High voltage switchgear and controlgear
CommitteePEL/17
ISBN978 0 539 29964 9
PublisherBSI
Pages220

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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