EN 60214-1:2014

SLOVENSKI STANDARD
01-oktober-2014
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Tap-changers - Part 1: Performance requirements and test methods
Stufenschalter -- Teil 1: Leistungsanforderungen und Prüfverfahren
Ta slovenski standard je istoveten z: EN 60214-1:2014
ICS:
29.180 Transformatorji. Dušilke Transformers. Reactors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60214-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2014
ICS 29.180 Supersedes EN 60214-1:2003
English Version
Tap-changers - Part 1: Performance requirements and test
methods
(IEC 60214-1:2014)
Changeurs de prises - Partie 1: Prescriptions de Stufenschalter - Teil 1: Leistungsanforderungen und
performances et méthodes d'essai Prüfverfahren
(CEI 60214-1:2014) (IEC 60214-1:2014)
This European Standard was approved by CENELEC on 2014-06-26. 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.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60214-1:2014 E
Foreword
The text of document 14/746/CDV, future edition 2 of IEC 60214-1, prepared by IEC/TC 14 "Power
transformers" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
– latest date by which the document has to be implemented at (dop) 2015-03-26
national level by publication of an identical national
standard or by endorsement
– latest date by which the national standards conflicting with (dow) 2017-06-26
the document have to be withdrawn

This document supersedes EN 60214-1:2003.
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 60214-1:2014 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 60076-1:2011 NOTE Harmonized in EN 60076-1:2011.
IEC 60076-11 NOTE Harmonized as EN 60076-11.
IEC 60376 NOTE Harmonized as EN 60376.
IEC 60599 NOTE Harmonized as EN 60599.

- 3 - EN 60214-1:2014
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 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60050 series International Electrotechnical Vocabulary - - series
Electrical and electronic measurements
and measuring
IEC 60060-1 -  High-voltage test techniques -- Part 1: EN 60060-1 -
General definitions and test requirements
IEC 60076-3 2013 Power transformers -- Part 3: Insulation EN 60076-3 2013
levels, dielectric tests and external
clearances in air
IEC 60076-7 2005 Power transformers -- Part 7: Loading - -
guide for oil-immersed power transformers
IEC 60076-21 2011  - -
IEC 60137 2008 Insulated bushings for alternating voltages EN 60137 2008
above 1 000 V
IEC 60214-2 2004 Tap changers -- Part 2: Application guide - -
IEC 60270 -  High-voltage test techniques - Partial EN 60270 -
discharge measurements
IEC 60296 -  Fluids for electrotechnical applications - EN 60296 -
Unused mineral insulating oils for
transformers and switchgear
IEC 60529 -  Degrees of protection provided by - -
enclosures (IP Code)
IEC 60214-1 ®
Edition 2.0 2014-05
INTERNATIONAL
STANDARD
colour
inside
Tap-changers –
Part 1: Performance requirements and test methods

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XC
ICS 29.180 ISBN 978-2-8322-1621-7

– 2 – IEC 60214-1:2014 © IEC:2014
CONTENTS
FOREWORD . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 Service conditions . 15
4.1 Temperature of tap-changer environment . 15
4.2 Temperature of motor-drive mechanism environment . 16
4.3 Overload conditions . 16
5 Requirements for on-load tap-changers . 16
5.1 General requirements . 16
5.1.1 Rating . 16
5.1.2 Compartments for diverter and selector switches . 17
5.1.3 Liquid-level gauges and gas monitoring devices . 17
5.1.4 Safety requirements for protection against internal failure. 17
5.1.5 Limiting devices for the protection against transient overvoltages . 18
5.1.6 Change-over selector recovery voltages . 18
5.1.7 Leakage inductance in coarse fine regulation arrangements . 18
5.2 Type tests . 18
5.2.1 General . 18
5.2.2 Temperature rise of contacts . 19
5.2.3 Switching tests . 20
5.2.4 Short-circuit current test . 25
5.2.5 Transition impedance test . 26
5.2.6 Mechanical tests . 27
5.2.7 Tightness test . 29
5.2.8 Dielectric tests . 30
5.2.9 Type-test certificate . 35
5.3 Routine tests . 35
5.3.1 General . 35
5.3.2 Mechanical test . 35
5.3.3 Sequence test . 35
5.3.4 Auxiliary circuits insulation test . 35
5.3.5 Pressure and vacuum tests . 35
6 Requirements for motor-drive mechanisms for on-load tap-changers . 35
6.1 General requirements . 35
6.1.1 Compliance of component parts . 35
6.1.2 Permissible variation of auxiliary supply . 36
6.1.3 Step-by-step control . 36
6.1.4 Tap position indicator . 36
6.1.5 Tap-change in progress indication . 36
6.1.6 Limiting devices . 36
6.1.7 Parallel control devices . 36
6.1.8 Direction of rotation protection . 36
6.1.9 Overcurrent blocking device . 36
6.1.10 Restarting device . 37
6.1.11 Operation counter . 37

IEC 60214-1:2014 © IEC:2014 – 3 –
6.1.12 Manual operation of the motor-drive mechanism . 37
6.1.13 Motor-drive cubicle . 37
6.1.14 Protective device against running-through . 37
6.1.15 Protection against access to hazardous parts . 37
6.2 Type tests . 37
6.2.1 Mechanical load test . 37
6.2.2 Overrun test . 38
6.2.3 Degree of protection of motor-drive cubicle. 38
6.3 Routine tests . 38
6.3.1 Mechanical tests . 38
6.3.2 Auxiliary circuits insulation test . 38
7 Requirements for de-energized tap-changers . 38
7.1 General requirements . 38
7.1.1 Rated characteristics . 38
7.1.2 Types . 39
7.1.3 Handles and drives . 39
7.1.4 Glands . 39
7.1.5 Interlocks . 39
7.1.6 Mechanical end stops . 39
7.2 Type tests . 40
7.2.1 General . 40
7.2.2 Temperature rise of contacts . 40
7.2.3 Short-circuit current test . 41
7.2.4 Mechanical tests .
...