IEC-62271-310 › High-voltage switchgear and controlgear - Part 310: Electrical endurance testing for circuit-breakers above a rated voltage of 52 kV
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This technical report IEC/TR 62271-310:2008 is applicable to class E2 circuit-breakers above a rated voltage of 52 kV and above intended for use on overhead lines. The test programmes are based on accumulated electrical stresses due to current interruption during a period of 25 years, which was chosen as representative for a maintenance-free interval. This second edition of IEC/TR 62271-310 cancels and replaces the first edition published in 2004. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- reduction of number tests in the wear stage;
- new definition of acceptance test for demonstration of end-of-life thermal interruption capability.
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29.130.10 (High voltage switchgear and controlgear Including enclosed switchgear and controlgear)
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Document Number
IEC/TR 62271-310 Ed. 2.0 b:2008
Revision Level
EDITION 2.0
Status
Current
Publication Date
March 1, 2008
Committee Number
17A