SIST EN 60255-1:2010

SLOVENSKI STANDARD
SIST EN 60255-1:2010
01-december-2010
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SIST EN 60255-6:2001
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Measuring relays and protection equipment - Part 1: Common requirements
Messrelais und Schutzeinrichtungen - Teil 1: Allgemeine Anforderungen
Relais de mesure et dispositifs de protection - Partie 1: Prescriptions communes
Ta slovenski standard je istoveten z: EN 60255-1:2010
ICS:
29.120.70 Releji Relays
SIST EN 60255-1:2010 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60255-1:2010

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SIST EN 60255-1:2010

EUROPEAN STANDARD
EN 60255-1

NORME EUROPÉENNE
January 2010
EUROPÄISCHE NORM

ICS 29.120.70 Supersedes EN 60255-6:1994 + corr. Feb.1995


English version


Measuring relays and protection equipment -
Part 1: Common requirements
(IEC 60255-1:2009)


Relais de mesure et dispositifs  Messrelais und Schutzeinrichtungen -
de protection - Teil 1: Allgemeine Anforderungen
Partie 1: Prescriptions communes (IEC 60255-1:2009)
(CEI 60255-1:2009)




This European Standard was approved by CENELEC on 2009-12-01. 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 Central Secretariat 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 Central Secretariat 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, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.

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

Central Secretariat: Avenue Marnix 17, B - 1000 Brussels


© 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60255-1:2010 E

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SIST EN 60255-1:2010
EN 60255-1:2010 - 2 -
Foreword
The text of document 95/252/FDIS, future edition 1 of IEC 60255-1, prepared by IEC TC 95, Measuring
relays and protection equipment, was submitted to the IEC-CENELEC parallel vote and was approved by
CENELEC as EN 60255-1 on 2009-12-01.
This European Standard supersedes EN 60255-6:1994.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent
rights.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2010-09-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2012-12-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60255-1:2009 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 61508 NOTE  Harmonized in EN 61508 series (not modified).
IEC 60255-5 NOTE  Harmonized as EN 60255-5:2001 (not modified).
IEC 60300-1 NOTE  Harmonized as EN 60300-1
__________

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SIST EN 60255-1:2010
- 3 - EN 60255-1:2010

Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application 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  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 60044-1 (mod) 1996 Instrument transformers - EN 60044-1 1999
Part 1: Current transformers


IEC 60044-2 (mod) 1997 Instrument transformers - EN 60044-2 1999
Part 2: Inductive voltage transformers


IEC 60044-5 2004 Instrument transformers - EN 60044-5 2004
Part 5: Capacitor voltage transformers


IEC 60044-7 1999 Instrument transformers - EN 60044-7 2000
Part 7: Electronic voltage transformers


IEC 60044-8 2002 Instrument transformers - EN 60044-8 2002
Part 8: Electronic current transformers


IEC 60050-191 1990 International Electrotechnical Vocabulary - -
(IEV) -
Chapter 191: Dependability and quality of
service


IEC 60050-447 2009 International Electrotechnical Vocabulary - - -
Part 447: Measuring relays


IEC 60068-2-1 2007 Environmental testing - EN 60068-2-1 2007
Part 2-1: Tests - Test A: Cold


IEC 60068-2-2 2007 Environmental testing - EN 60068-2-2 2007
Part 2-2: Tests - Test B: Dry heat


IEC 60068-2-14 2009 Environmental testing - EN 60068-2-14 2009
Part 2-14: Tests - Test N: Change of
temperature


IEC 60068-2-30 2005 Environmental testing - EN 60068-2-30 2005
Part 2-30: Tests - Test Db: Damp heat, cyclic
(12 h + 12 h cycle)


IEC 60068-2-78 2001 Environmental testing - EN 60068-2-78 2001
Part 2-78: Tests - Test Cab: Damp heat,
steady state


IEC 60068-3-4 2001 Environmental testing - EN 60068-3-4 2002
Part 3-4: Supporting documentation and
guidance - Damp heat tests


IEC 60255-11 2008 Measuring relays and protection equipment - EN 60255-11 2010
Part 11: Voltage dips, short interruptions,
variations and ripple on auxiliary power supply
port

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SIST EN 60255-1:2010
EN 60255-1:2010 - 4 -
Publication Year Title EN/HD Year

IEC 60255-21-1 1988 Electrical relays - EN 60255-21-1 1995
Part 21: Vibration, shock, bump and seismic
tests on measuring relays and protection
equipment - Section 1: Vibration tests
(sinusoidal)


IEC 60255-21-2 1988 Electrical relays - EN 60255-21-2 1995
Part 21: Vibration, shock, bump and seismic
tests on measuring relays and protection
equipment - Section 2: Shock and bump tests


IEC 60255-21-3 1993 Electrical relays - EN 60255-21-3 1995
Part 21: Vibration, shock, bump and seismic
tests on measuring relays and protection
equipment - Section 3: Seismic tests


IEC 60255-22-2 2008 Measuring relays and protection equipment - EN 60255-22-2 2008
Part 22-2: Electrical disturbance tests -
Electrostatic discharge tests


IEC 60255-22-4 2008 Measuring relays and protection equipment - EN 60255-22-4 2008
Part 22-4: Electrical disturbance tests -
Electrical fast transient/burst immunity test


1)
IEC 60255-22-5 2008 Measuring relays and protection equipment - EN 60255-22-5 200X
Part 22-5: Electrical disturbance tests - Surge
immunity test


IEC 60255-22-7 2003 Electrical relays - EN 60255-22-7 2003
Part 22-7: Electrical disturbance tests for
measuring relays and protection equipment -
Power frequency immunity tests


IEC 60255-25 2000 Electrical relays - EN 60255-25 2000
Part 25: Electromagnetic emission tests for
measuring relays and protection equipment


IEC 60255-26 2008 Measuring relays and protection equipment - EN 60255-26 2009
Part 26: Electromagnetic compatibility
requirements


IEC 60255-27 2005 Measuring relays and protection equipment - EN 60255-27 2005
Part 27: Product safety requirements


IEC 60255-1xx Series Measuring relays and protection equipment - EN 60255-1xx Series
Part 1xx: Protection functional standards


IEC 60297-3-101 2004 Mechanical structures for electronic EN 60297-3-101 2004
equipment - Dimensions of mechanical
structures of the 482,6 mm (19 in) series -
Part 3-101: Subracks and associated plug-in
units


IEC 60529 1989 Degrees of protection provided EN 60529 1991
by enclosures (IP Code) + corr. May 1993


IEC 60688 - Electrical measuring transducers for EN 60688 -
converting a.c. electrical quantities to
analogue or digital signals



1)
To be ratified.

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SIST EN 60255-1:2010
- 5 - EN 60255-1:2010

Publication Year Title EN/HD Year

IEC 60721-3-3 - Classification of environmental conditions - EN 60721-3-3 -
Part 3: Classification of groups of
environmental parameters and
their severities -
Section 3: Stationary use at weatherprotected
locations


IEC/TS 61000-2-5 1995 Electromagnetic compatibility (EMC) - - -
Part 2-5: Environment - Classification of
electromagnetic environments - Basic EMC
publication


IEC 61810 - Electromechanical elementary relays - EN 61810 -
Part 1: General requirements


IEC 61810-2 - Electromechanical elementary relays - EN 61810-2 -
Part 2: Reliability


IEC 61850 Series Communication networks and systems in EN 61850 Series
substations


IEC 61850-9-2 - Communication networks and systems in EN 61850-9-2 -
substations -
Part 9-2: Specific Communication Service
Mapping (SCSM) - Sampled values over
ISO/IEC 8802-3

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SIST EN 60255-1:2010

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SIST EN 60255-1:2010

IEC 60255-1
®
Edition 1.0 2009-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside


Measuring relays and protection equipment –
Part 1: Common requirements

Relais de mesure et dispositifs de protection –
Partie 1: Exigences communes

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
X
CODE PRIX
ICS 29.120.70 ISBN 978-2-88910-074-3
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 60255-1:2010
– 2 – 60255-1 © IEC:2009
CONTENTS
FOREWORD.5
INTRODUCTION.7
1 Scope.9
2 Normative references .9
3 Terms and definitions .11
4 Environmental conditions.13
4.1 General .13
4.2 Normal environmental conditions.13
4.3 Special environmental conditions .14
4.4 Storage conditions .15
5 Ratings.15
5.1 General .15
5.2 Rated voltage.15
5.2.1 Input energizing voltage .15
5.2.2 Auxiliary energizing voltage .16
5.2.3 Rated insulation voltage .16
5.3 Rated current .16
5.3.1 Input energizing current.16
5.3.2 Auxiliary energizing current .17
5.4 Binary input and output .17
5.4.1 Binary input .17
5.4.2 Binary output .17
5.5 Transducer analogue input and output.17
5.5.1 Transducer analogue input .17
5.5.2 Transducer analogue output .17
5.6 Frequency .17
5.6.1 Rated frequency .17
5.6.2 Frequency operating range.17
5.7 Rated burden .17
5.8 Rated ambient temperature .17
6 Design and construction .18
6.1 Marking .18
6.2 Dimensions .18
6.3 Enclosure protection.18
6.4 Product safety requirements.18
6.5 Functional performance requirements.18
6.5.1 General .18
6.5.2 Intrinsic accuracy .18
6.5.3 Operating accuracy .19
6.5.4 Performance under dynamic system conditions .19
6.5.5 Performance under transient signal conditions.19
6.5.6 Multifunctional protection relay .19
6.5.7 Programmable logic.20
6.6 Communication protocols .20
6.7 Binary input and output .20

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SIST EN 60255-1:2010
60255-1 © IEC:2009 – 3 –
6.7.1 Binary input .20
6.7.2 Binary output .20
6.8 Transducer analogue input and output.20
6.8.1 Transducer analogue input .20
6.8.2 Transducer analogue output .20
6.9 Input circuit for energizing quantities .20
6.9.1 Characteristic energizing quantity.20
6.9.2 Auxiliary energizing quantity.21
6.10 Burden tests.21
6.10.1 Burden for voltage transformers .21
6.10.2 Burden for current transformers.21
6.10.3 Burden for AC power supply .21
6.10.4 Burden for DC power supply.21
6.10.5 Burden for binary input .22
6.11 Contact performance .22
6.12 Climatic performance .23
6.12.1 General .23
6.12.2 Verification procedure.23
6.12.3 Climatic environmental tests.25
6.13 Mechanical requirements.31
6.13.1 Vibration response and endurance (sinusoidal) .31
6.13.2 Shock response, shock withstand and bump.31
6.13.3 Seismic .32
6.14 Pollution.32
6.15 Electromagnetic compatibility (EMC) .32
7 Tests .32
7.1 General .32
7.2 Test reference conditions .32
7.3 Test overview.33
7.4 Type test report content .34
8 Marking, labelling and packaging.35
9 Rules for transport, storage, installation, operation and maintenance .35
10 Product documentation.35
Annex A (informative) Type testing guidelines.37
Annex B (informative) Intrinsic, operating and overall system accuracy.40
Annex C (informative) Guidance on dependability.42
Bibliography.45

Figure 1 – Contact performance parameters .23
Figure A.1 – Definition of operate, transitional and quiescent states .38
Figure B.1 – Different kind of accuracies.40
Figure C.1 – Overview of fields that may be of interest for protection relays .42
Figure C.2 – Failure detection chart .43

Table 1 – Normal environmental conditions.14

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SIST EN 60255-1:2010
– 4 – 60255-1 © IEC:2009
Table 2 – Special environmental conditions .15
Table 3 – Dry heat test – operational .25
Table 4 – Cold test – Operational.26
Table 5 – Dry heat test, storage temperature .27
Table 6 – Cold test, storage temperature .28
Table 7 – Cyclic temperature test.29
Table 8 – Damp heat steady state test .30
Table 9 – Cyclic temperature with humidity test .31
Table 10 – Test reference conditions .32
Table 11 – Test overview .34
Table A.1 – Example of protection functions that may be used during tests .38
Table A.2 – Example of EMC test conditions for measuring inputs .39
Table C.1 – Definitions of symbols.43
Table C.2 – Meaning of terms defined in IEC 60050-191 for protection relays.43

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SIST EN 60255-1:2010
60255-1 © IEC:2009 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

MEASURING RELAYS AND PROTECTION EQUIPMENT –

Part 1: Common requirements


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-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
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 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
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
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 60255-1 has been prepared by IEC technical committee 95:
Measuring relays and protection equipment.
This standard cancels and replaces the second edition of IEC 60255-6, published in 1988,
and constites a technical revision.
The text of this standard is based on the following documents:
FDIS Report on voting
95/252FDIS 95/257/RVD

Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

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SIST EN 60255-1:2010
– 6 – 60255-1 © IEC:2009
A list of all the parts in the IEC 60255 series, under the general title Measuring relays and
protection equipment, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The “colour inside” logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this publication using a colour printer.

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SIST EN 60255-1:2010
60255-1 © IEC:2009 – 7 –
INTRODUCTION
NUMBERING OF STANDARDS FALLING UNDER THE RESPONSIBILITY OF TC 95
In accordance with the decision taken at the technical committee 95 meeting in Paris on
2006-04-06 (item 12 of 95/191/RM) a new numbering system will be established of the
standards falling under the responsibility of TC 95. Numbering of the standards will follow the
following principle:
 common standards will start with IEC 60255 –;
 protection functional standards will start with IEC 60255-100 series;
 technical reports will start with IEC 60255-200 series.
The IEC 60255 series will consist of the following parts, under the general title Measuring
relays and protection equipment. Five parts (Parts 3, 8, 12, 13 and 16) will be renumbered
and Part 6 will be replaced by Part 1.
a) Common standards:
Part 1: Common requirements
Part 11: Interruptions to and alternating component (ripple) in d.c. auxiliary energizing
quantity of measuring relays
Part 21: Vibration, shock, bump and seismic tests
Part 22: Electrical disturbance tests
Part 24: Common format for transient data exchange (COMTRADE) for power systems
Part 25: Electromagnetic emission tests
Part 26: Electromagnetic compatibility requirements
Part 27: Product safety requirements

b) Protection functional standards:
121 Functional requirements for distance protection (revision of IEC 60255-16)
124 Functional requirements for volts per hertz protection
125 Functional requirements for synchronizing or synchronism-check
127 Functional requirements for over/under voltage protection (revision of IEC 60255-3)
(including the phase, neutral, residual and negative sequence)
132 Functional requirements for over/under power protection (revision of IEC 60255-12)
(including the real reactive and power factor)
140 Functional requirements for loss of excitation protection
149 Functional requirements for thermal protection (revision of IEC 60255-8)
151 Functional requirements for over/under current prote
...