BSI BS EN IEC 62271-207:2023

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High-voltage switchgear and controlgear -- Seismic qualification for gas-insulated switchgear assemblies, metal enclosed and solid-insulation enclosed switchgear for rated voltages above 1 kV

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BSI BS EN IEC 62271-207:2023

Name: BSI BS EN IEC 62271-207:2023 – High-voltage switchgear and controlgear -- Seismic qualification for gas-insulated switchgear assemblies, metal enclosed and solid-insulation enclosed switchgear for rated voltages above 1 kV
Brand: British Standards Institution
SKU: BSI BS EN IEC 62271-207:2023
Price: 364.34 USD
Availability: InStock

High-voltage switchgear and controlgear -- Seismic qualification for gas-insulated switchgear assemblies, metal enclosed and solid-insulation enclosed switchgear for rated voltages above 1 kV

PUBLISH DATE 2023

PAGES 40

IEC 62271-207:2023 applies to:

Gas-insulated switchgear (GIS) assemblies for alternating current of rated voltages above 52 kV complying with IEC 62271-203, and for direct current of rated voltages including and above 100 kV,
Indoor and outdoor installations, including their supporting structures,
AC metal-enclosed switchgear and controlgear assemblies for rated voltages above 1 kV and up to and including 52 kV complying with IEC 62271-200, ground or floor mounted, intended to be used under seismic conditions, and
AC solid-insulation enclosed switchgear and controlgear assemblies for rated voltages above 1 kV and up to and including 52 kV complying with IEC 62271-201, ground or floor mounted, intended to be used under seismic conditions.

This third edition cancels and replaces the second edition published in 2012. This edition constitutes a technical revision. It also cancels and replaces, through merging, the first edition of IEC TS 62271-210 published in 2013.

This edition includes the following significant technical changes with respect to the previous edition:

a) Modification of the minimum voltage rating from 52 kV to above 1 kV in order to include medium voltage equipment previously being within IEC TS 62271-210 scope;
b) Further harmonisation of qualification procedures with the revised IEEE Std 693-2018 [1], Annex A and Annex P, including:
- Matching this document's required response spectra with IEEE Std 693-2018 performance level spectra and IEC TS 62271-210 spectra,
- Addition of a step-by-step procedure assisting the user of this document to select an appropriate seismic qualification level combining seismic integrity with cost-effective design,
- Addition of analytical earthquake component combination techniques, and
- Reference to publicly available accelerograms specially developed to match the IEEE Std 693-2018 spectra for testing and analysis purposes, since this document and IEC TS 62271-210 spectra are identical in shape with IEEE Std 693 spectra.
c) Various enhancements of test procedures;
d) Addition of minimum contents for seismic qualification reports;
e) Scope extended to cover DC GIS including and above 100 kV.