HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 300: SEISMIC QUALIFICATION OF ALTERNATING CURRENT CIRCUIT-BREAKERS
International Electrotechnical Committee
FOREWORD<br>1 Scope and object<br>2 Normative references <br>3 Definitions <br>4 Seismic qualification requirements<br>5 Preliminary analysis <br> 5.1 Selection of the representative test specimen<br> 5.2 Mathematical model of the circuit-breaker <br> 5.3 Severity levels<br>6 Qualification by test <br> 6.1 Introduction <br> 6.2 Mounting <br> 6.3 External load<br> 6.4 Measurements<br> 6.5 Frequency range<br> 6.6 Test severity <br> 6.7 Testing <br>7 Qualification by combined test and analysis <br> 7.1 Introduction <br> 7.2 Vibrational and functional data<br> 7.3 Analysis <br>8 Evaluation of the seismic qualification <br> 8.1 Combination of stresses<br> 8.2 Acceptance criteria of the seismic simulation<br> 8.3 Functional evaluation of the test results <br> 8.4 Allowable stresses <br>9 Documentation <br> 9.1 Information for seismic qualification<br> 9.2 Test report <br> 9.3 Analysis report<br>Annex A (informative) Characterisation of the circuit-breaker<br>Annex B (informative) Seismic Qualification Report <br>Bibliography
Applies only to circuit-breakers with their supporting structures which are rigidly connected with the ground, and does not cover the seismic qualification of circuit-breakers in metal enclosed switchgear.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 17 |
