EN 62271-2:2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
High-voltage switchgear and controlgear - Part 2: Seismic qualification for rated voltages of 72,5 kV and above
01-10-2007
29-04-2003
FOREWORD
1 Scope and object
2 Normative references
3 Definitions
4 Seismic qualification requirements
4.1 Preliminary analysis
5 Severities
6 Qualification by test
6.1 Introduction
6.2 Mounting
6.3 External load
6.4 Measurements
6.5 Frequency range
6.6 Test severity
6.7 Testing
7 Qualification by combined test and analysis
7.1 Introduction
7.2 Vibrational and functional data
7.3 Analysis
8 Evaluation of the seismic qualification
8.1 Combination of stresses
8.2 Acceptance criteria of the seismic test
8.3 Functional evaluation of the test results
8.4 Allowable stresses
9 Documentation
9.1 Information for seismic qualification
9.2 Test report
9.3 Analysis report
Annex A (normative) - Characterization of the test-set
Annex B (informative) - Criteria for seismic adequacy
of gas-insulated metal-enclosed switchgear
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
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