EN 61881-2:2012

SLOVENSKI STANDARD
01-december-2012
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Railway applications - Rolling stock equipment - Capacitors for power electronics - Part
2: Aluminium electrolytic capacitors with non solid electrolyte (IEC 61881-2:2012)
Bahnanwendungen - Betriebsmittel auf Bahnfahrzeugen - Kondensatoren für
Leistungselektronik - Teil 2: Aluminium Elektrolytkondensatoren mit nicht festen
Elektrolyten (IEC 61881-2:2012)
Applications ferroviaires - Matériel roulant - Condensateurs pour électronique de
puissance - Partie 2: Condensateurs électrolytiques à l'aluminium, à électrolyte non
solide (IEC 61881-2:2012)
Ta slovenski standard je istoveten z: EN 61881-2:2012
ICS:
31.060.70 0RþQRVWQLNRQGHQ]DWRUML Power capacitors
45.040 Materiali in deli za železniško Materials and components
tehniko for railway engineering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61881-2
NORME EUROPÉENNE
September 2012
EUROPÄISCHE NORM
ICS 45.060
English version
Railway applications -
Rolling stock equipment -
Capacitors for power electronics -
Part 2: Aluminium electrolytic capacitors with non solid electrolyte
(IEC 61881-2:2012)
Applications ferroviaires -  Bahnanwendungen -
Matériel roulant - Betriebsmittel auf Bahnfahrzeugen -
Condensateurs pour électronique de Kondensatoren für Leistungselektronik -
puissance - Teil 2: Aluminium Elektrolytkondensatoren
Partie 2: Condensateurs électrolytiques à mit nicht festen Elektrolyten
l'aluminium, à électrolyte non solide (IEC 61881-2:2012)
(CEI 61881-2:2012)
This European Standard was approved by CENELEC on 2012-09-12. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the CEN-CENELEC Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the CEN-CENELEC Management Centre has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany,
Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61881-2:2012 E
Foreword
The text of document 9/1679/FDIS, future edition 1 of IEC 61881-2, prepared by IEC/TC 9, "Electrical
equipment and systems for railways" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN 61881-2:2012.
The following dates are fixed:
(dop) 2013-06-12
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2015-09-12
• latest date by which the national
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent
rights.
Endorsement notice
The text of the International Standard IEC 61881-2:2012 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60077-1:1999 NOTE  Harmonized as EN 60077-1:2002 (modified).
IEC 60077-2:1999 NOTE  Harmonized as EN 60077-2:2002 (modified).
IEC 60664-1:2007 NOTE  Harmonized as EN 60664-1:2007 (not modified).
IEC 61287-1:2005 NOTE  Harmonized as EN 61287-1:2006 (not modified).
IEC 61881-1 NOTE  Harmonized as EN 61881-1.
IEC 61881-3 NOTE  Harmonized as EN 61881-3.

- 3 - EN 61881-2:2012
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60062 2004 Marking codes for resistors and capacitors EN 60062 2005
+ corr. January 2007
IEC 60068-2-14 2009 Environmental testing - EN 60068-2-14 2009
Part 2-14: Tests - Test N: Change of
temperature
IEC 60068-2-17 1994 Environmental testing - EN 60068-2-17 1994
Part 2: Tests - Test Q: Sealing

IEC 60068-2-20 - Environmental testing - EN 60068-2-20 -
Part 2-20: Tests -
Test T: Test methods for solderability and
resistance to soldering heat of devices with
leads
IEC 60068-2-21 2006 Environmental testing - EN 60068-2-21 2006
+ corr. January 2012 Part 2-21: Tests - Test U: Robustness of
terminations and integral mounting devices

IEC 60068-2-78 - Environmental testing - EN 60068-2-78 -
Part 2-78: Tests - Test Cab: Damp heat,
steady state
IEC 60384-1 2008 Fixed capacitors for use in electronic EN 60384-1 2009
+ corr. November 2008 equipment -
Part 1: Generic specification
IEC 60384-4 2007 Fixed capacitors for use in electronic EN 60384-4 2007
equipment -
Part 4: Sectional specification - Aluminium
electrolytic capacitors with solid (MnO2) and
non-solid electrolyte
IEC 60721-3-5 1997 Classification of environmental conditions - EN 60721-3-5 1997
Part 3: Classification of groups of
environmental parameters and their severities
- Section 5: Ground vehicle installations

IEC 61373 2010 Railway applications - Rolling stock EN 61373 2010
+ corr. October 2011 equipment - Shock and vibration tests

IEC 62497-1 - Railway applications - Insulation coordination -- -
Part 1: Basic requirements - Clearances and
creepage distances for all electrical and
electronic equipment
IEC 62498-1 2010 Railway applications - Environmental - -
+ corr. November 2010 conditions for equipment -
Part 1: Equipment on board rolling stock

IEC 61881-2 ®
Edition 1.0 2012-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Railway applications – Rolling stock equipment – Capacitors for power

electronics –
Part 2: Aluminium electrolytic capacitors with non-solid electrolyte

Applications ferroviaires – Matériel roulant – Condensateurs pour électronique

de puissance –
Partie 2: Condensateurs électrolytiques à l’aluminium, à électrolyte non solide

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX U
ICS 45.060 ISBN 978-2-83220-259-3

– 2 – 61881-2 © IEC:2012
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Service conditions . 10
4.1 Normal service conditions . 11
4.1.1 General . 11
4.1.2 Altitude . 11
4.1.3 Temperature . 11
4.2 Unusual service conditions . 11
5 Quality requirements and tests . 12
5.1 Test requirements . 12
5.1.1 General . 12
5.1.2 Test conditions . 12
5.1.3 Measurement conditions . 12
5.1.4 Voltage treatment . 12
5.1.5 Thermal treatment . 12
5.2 Classification of tests . 12
5.2.1 General . 12
5.2.2 Type tests . 13
5.2.3 Routine tests . 13
5.2.4 Acceptance tests . 14
5.3 Capacitance and tangent of loss angle (tanδ) . 14
5.3.1 Capacitance . 14
5.3.2 Tangent of loss angle (tanδ) . 14
5.4 Leakage current . 14
5.4.1 Capacitor cell . 14
5.4.2 Capacitor module or bank . 14
5.5 Insulation test between terminals and case . 14
5.5.1 Capacitor cell . 14
5.5.2 Capacitor module or bank . 15
5.6 Sealing test . 15
5.7 Surge discharge test (under consideration) . 15
5.7.1 General . 15
5.7.2 Preconditioning. 15
5.7.3 Initial measurement . 15
5.7.4 Test methods . 15
5.7.5 Post treatment . 16
5.7.6 Final measurement . 16
5.7.7 Acceptance criteria . 16
5.8 Environmental testing . 16
5.8.1 Change of temperature . 16
5.8.2 Damp heat, steady state . 17
5.9 Mechanical testing . 18
5.9.1 Mechanical tests of terminals . 18

61881-2 © IEC:2012 – 3 –
5.9.2 External inspection . 18
5.9.3 Vibration and shocks . 18
5.10 Endurance test . 18
5.10.1 General . 18
5.10.2 Preconditioning.
...