IEC-62271-207 › Historical Revision Information
High-voltage switchgear and controlgear - Part 207: Seismic qualification for gas-insulated switchgear assemblies for rated voltages above 52 kV
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IEC 62271-207:2012 applies to gas-insulated switchgear assemblies for alternating current of rated voltages above 52 kV for indoor and outdoor installations, including their supporting structure. This second edition of IEC 62271-207 cancels and replaces the first edition published in 2007. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- modification of the minimum voltage rating from 72,5 kV to above 52 kV;
- harmonisation of qualification procedures for GIS with IEEE 693:2005 Annex A and P by modifying the response spectra;
- modification of the test procedures;
- addition of criteria of allowed stresses;
- addition of dynamic analysis CQC.
To find similar documents by classification:
29.130.10 (High voltage switchgear and controlgear Including enclosed switchgear and controlgear)
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Document Number
IEC 62271-207 Ed. 1.0 b:2007
Revision Level
EDITION 1.0
Status
Superseded
Publication Date
Aug. 1, 2007
Committee Number
17C