IEC TS 62271-210:2013

IEC/TS 62271-210 ®
Edition 1.0 2013-02
TECHNICAL
SPECIFICATION
SPÉCIFICATION
TECHNIQUE
High-voltage switchgear and controlgear –
Part 210: 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
Appareillage à haute tension –
Partie 210: Qualification sismique pour ensembles d'appareillage sous
enveloppe métallique pour tensions assignées supérieures à 1 kV et inférieures
ou égales à 52 kV
IEC/TS 62271-210:2013
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IEC/TS 62271-210 ®
Edition 1.0 2013-02
TECHNICAL
SPECIFICATION
SPÉCIFICATION
TECHNIQUE
High-voltage switchgear and controlgear –

Part 210: 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
Appareillage à haute tension –

Partie 210: Qualification sismique pour ensembles d'appareillage sous

enveloppe métallique pour tensions assignées supérieures à 1 kV et inférieures

ou égales à 52 kV
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX U
ICS 29.130.10 ISBN 978-2-83220-615-7

– 2 – TS 62271-210 © IEC:2013
CONTENTS
FOREWORD . 4
1 General . 6
1.1 Scope . 6
1.2 Normative references . 6
2 Normal and special service conditions . 7
3 Terms and definitions . 7
4 Seismic qualification requirements . 7
4.1 General . 7
4.2 Preliminary analysis . 7
4.2.1 Selection of the representative test sample . 7
4.2.2 Mathematical model of the test sample . 7
4.3 Severities . 8
4.3.1 General . 8
4.3.2 Severity level 1 . 8
4.3.3 Severity level 2 . 9
4.4 Acceptance classes . 10
5 Qualification by test . 10
5.1 General . 10
5.2 Mounting . 10
5.3 Test parameters . 11
5.3.1 Measurements . 11
5.3.2 Frequency range . 11
5.3.3 Parameters for resonant frequency search . 11
5.3.4 Parameters for time history test (seismic load test) . 11
5.4 Testing procedure . 12
5.4.1 General . 12
5.4.2 Inspection and functional checks . 12
5.4.3 Resonant frequency search . 12
5.4.4 Time history test (seismic load test) . 12
6 Qualification by combination of test and analysis . 13
6.1 General . 13
6.2 Numerical analysis . 14
6.2.1 General . 14
6.2.2 Static data (stiffness) . 14
6.2.3 Dynamic data . 14
6.2.4 Numerical model . 14
6.2.5 Computation methods . 15
6.3 Analysis by experience or similarity . 16
7 Evaluation of the seismic qualification . 16
7.1 Validity criteria of the seismic test . 16
7.2 Acceptance criteria of the test results . 16
7.3 Criteria of model acceptance . 17
7.4 Acceptance criteria of the numerical analysis results . 17
7.5 Acceptance criteria of the analysis results by similarity . 17
8 Documentation . 17
8.1 Information for seismic qualification . 17

TS 62271-210 © IEC:2013 – 3 –
8.2 Test report . 17
8.3 Analysis report when analysis is a numerical analysis . 18
8.4 Analysis report when analysis is performed by similarity . 18
Annex A (normative) Characterization of the test sample for analysis . 20
Annex B (informative) Criteria for seismic adequacy of enclosed switchgear and
controlgear assemblies . 21
Annex C (informative) Dynamic analysis methods . 24
Annex D (informative) Expected peak ground accelerations for different earthquake
scales . 27
Annex E (informative) Qualification process flowchart . 28
Bibliography . 29

Figure 1 – Severity level 1 (horizontal) – Zero period acceleration (ZPA) = 0,5 g . 9
Figure 2 – Severity level 2 (horizontal) − Zero period acceleration (ZPA) = 1 g . 10

Table D.1 – Earthquake zones with earthquake intensity and magnitude scale . 27

– 4 – TS 62271-210 © IEC:2013
INTERNATIONAL ELECTROTECHNICAL COMMISSION
______________
HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR –

Part 210: 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

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
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with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee h
...