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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.
Product Details
- Edition:
- 2.0
- Published:
- 04/27/2012
- Number of Pages:
- 40
- File Size:
- 2 files , 1.3 MB