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BSI PD IEC/TS 62271-210:2013

BSI PD IEC/TS 62271-210:2013

$167.15

High-voltage switchgear and controlgear – Seismic qualification for metal enclosed and solid-insulation enclosed switchgear and controlgear assemblies for rated voltages above 1 kV and up to and including 52 kV

Published By Publication Date Number of Pages
BSI 2013 34
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This part of IEC 62271 applies to metal enclosed switchgear and controlgear assemblies complying with IEC 62271-200 for metal enclosed and IEC 62271-201 for solid-insulation enclosed, ground or floor mounted, intended to be used under seismic conditions.

The seismic qualification of the switchgear and controlgear assemblies takes into account any auxiliary and the control equipment mounted directly on the assembly.

It will specify seismic severity levels, acceptance levels, and give a choice of methods that may be applied to demonstrate the performance of high-voltage switchgear and controlgear assemblies for which seismic qualification is required.

The seismic qualification of the switchgear and controlgear assemblies is only performed upon request.

PDF Catalog

PDF Pages PDF Title
4 English
CONTENTS
6 FOREWORD
8 1 General
1.1 Scope
1.2 Normative references
9 2 Normal and special service conditions
3 Terms and definitions
4 Seismic qualification requirements
4.1 General
4.2 Preliminary analysis
4.2.1 Selection of the representative test sample
4.2.2 Mathematical model of the test sample
10 4.3 Severities
4.3.1 General
4.3.2 Severity level 1
11 4.3.3 Severity level 2
Figure 1 – Severity level 1 (horizontal) – Zero period acceleration (ZPA) = 0,5 g
12 4.4 Acceptance classes
5 Qualification by test
5.1 General
5.2 Mounting
Figure 2 – Severity level 2 (horizontal)  Zero period acceleration (ZPA) = 1 g
13 5.3 Test parameters
5.3.1 Measurements
5.3.2 Frequency range
5.3.3 Parameters for resonant frequency search
5.3.4 Parameters for time history test (seismic load test)
14 5.4 Testing procedure
5.4.1 General
5.4.2 Inspection and functional checks
5.4.3 Resonant frequency search
5.4.4 Time history test (seismic load test)
15 6 Qualification by combination of test and analysis
6.1 General
16 6.2 Numerical analysis
6.2.1 General
6.2.2 Static data (stiffness)
6.2.3 Dynamic data
6.2.4 Numerical model
17 6.2.5 Computation methods
18 6.3 Analysis by experience or similarity
7 Evaluation of the seismic qualification
7.1 Validity criteria of the seismic test
7.2 Acceptance criteria of the test results
19 7.3 Criteria of model acceptance
7.4 Acceptance criteria of the numerical analysis results
7.5 Acceptance criteria of the analysis results by similarity
8 Documentation
8.1 Information for seismic qualification
8.2 Test report
20 8.3 Analysis report when analysis is a numerical analysis
8.4 Analysis report when analysis is performed by similarity
22 Annex A (normative) Characterization of the test sample for analysis
23 Annex B (informative) Criteria for seismic adequacy of enclosed switchgear and controlgear assemblies
26 Annex C (informative) Dynamic analysis methods
29 Annex D (informative) Expected peak ground accelerations for different earthquake scales
Table D.1 – Earthquake zones with earthquake intensity and magnitude scale
30 Annex E (informative) Qualification process flowchart
31 Bibliography

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BSI PD IEC/TS 62271-210:2013
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