EN IEC 61869-15:2019

SLOVENSKI STANDARD
01-oktober-2019
Instrumentni transformatorji - 15. del: Posebne zahteve za napetostne
transformatorje (IEC 61869-15:2018)
Instrument Transformers - Part 15: Specific Requirements for DC Voltage Transformers
(IEC 61869-15:2018)
Messwandler - Teil 15: Besondere Anforderungen für Gleichspannungswandler (IEC
61869-15:2018)
Transformateurs de mesure - Part 15: Exigences supplémentaires concernant les
transformateurs de tension pour CC (IEC 61869-15:2018)
Ta slovenski standard je istoveten z: EN IEC 61869-15:2019
ICS:
17.220.20 Merjenje električnih in Measurement of electrical
magnetnih veličin and magnetic quantities
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 61869-15

NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2019
ICS 17.220.20
English Version
Instrument transformers - Part 15: Additional requirements for
voltage transformers for DC applications
(IEC 61869-15:2018)
Transformateurs de mesure - Partie 15: Exigences Messwandler - Teil 15: Besondere Anforderungen für
supplémentaires concernant les transformateurs de tension Gleichspannungswandler
pour application en courant continu (IEC 61869-15:2018)
(IEC 61869-15:2018)
This European Standard was approved by CENELEC on 2018-08-21. 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61869-15:2019 E

European foreword
The text of document 38/561/FDIS, future edition 1 of IEC 61869-15, prepared by IEC/TC 38
"Instrument transformers" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 61869-15:2019.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2020-01-05
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2022-07-05
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 shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 61869-15:2018 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
IEC 60358-1:2012 NOTE Harmonized as EN 60358-1:2012 (not modified)

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1  Where 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.
Clause 2 of IEC 61869-6:2016 is applicable, with the following additions:
Publication Year Title EN/HD Year
IEC/TS 60815-4 2019 Selection and dimensioning of high-voltage - -
insulators intended for use in polluted
conditions - Part 4: Insulators for d.c.
systems
IEC/TS 61245:2015 2015 Artificial pollution tests on high-voltage - -
ceramic and glass insulators to be used on
d.c. systems
IEC 61869-1 (mod) 2007 Instrument transformers - Part 1: General EN 61869-1 2009
requirements
IEC 61869-6 2016 Instrument transformers - Part 6: Additional EN 61869-6 2016
general requirements for low-power
instrument transformers
IEC 61869-9 2016 Instrument transformers - Part 9: Digital EN IEC 61869-9 2019
interface for instrument transformers

IEC 61869-15 ®
Edition 1.0 2018-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Instrument transformers –
Part 15: Additional requirements for voltage transformers for DC applications

Transformateurs de mesure –
Partie 15: Exigences supplémentaires concernant les transformateurs de

tension pour application en courant continu

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.20 ISBN 978-2-8322-5804-0

– 2 – IEC 61869-15:2018 © IEC 2018
CONTENTS
FOREWORD . 3
INTRODUCTION . 6
1 Scope . 8
2 Normative references . 8
3 Terms, definitions, abbreviated terms and symbols . 8
5 Ratings . 12
6 Design and construction . 15
7 Tests . 20
Annex 15A (informative) Proposed rated insulation level applicable to voltage
transformers for DC application. 34
Bibliography . 35

Figure 1501 – Position of the DCVT’s in the DC scheme . 6
Figure 1502 – Typical step responses of a system . 10
Figure 1503 – Accuracy limits of a DCVT . 14
Figure 1504 – RC divider with low-voltage part outside the main housing . 25
Figure 1505 – Connection for voltage withstand test of the external low voltage part of
a DCVT . 26
Figure 1506 – Polarity reversal test profile . 27
Figure 1507– Measurement of the step response time . 29

Table 1501 – Voltage on DCVT’s . 6
Table 3 – Partial discharge test voltages and permissible levels . 13
Table 1502 – Limits of ratio error for DCVT (classes from 0,1 to 3) . 14
Table 7 – Static withstand test loads . 16
Table 8 – Arc fault duration and performance criteria . 17
Table 1503 – Markings of terminals . 18
Table 1504 – Rating plate marking for common rating plate . 19
Table 1505 – Rating plate marking for each secondary converter . 19
Table 1506 – Rating plate marking for auxiliary power supply . 20
Table 10 – List of tests. 21
Table 15A.1 – Proposed rated primary terminal insulation levels for voltage
transformers for DC application. 34

IEC 61869-15:2018 © IEC 2018 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
INSTRUMENT TRANSFORMERS –
Part 15: Additional requirements for
voltage transformers for DC applications

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
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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 has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
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4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
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between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 61869-15 has been prepared by IEC technical committee 38:
Instrument transformers.
The text of this standard is based on the following documents:
FDIS Report on voting
38/561/FDIS 38/566/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

– 4 – IEC 61869-15:2018 © IEC 2018
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