EN 60255-25:2000
(Main)Electrical relays - Part 25: Electromagnetic emission tests for measuring relays and protection equipment
Electrical relays - Part 25: Electromagnetic emission tests for measuring relays and protection equipment
Specifies the general requirements for the measurement of radio-frequency emissions emanating from measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with such systems. Is based on CISPR 22.
Elektrische Relais - Teil 25: Prüfungen der elektromagnetischen Störaussendung für Meßrelais und Schutzeinrichtungen
Relais électriques - Partie 25: Essais d'émission électromagnétique pour les relais de mesure et dispositifs de protection
Spécifie les prescriptions générales pour la mesure des émissions de fréquence radio provenant des relais de mesure et dispositifs de protection des systèmes électriques comprenant les équipements de commande, de contrôle et d'interface utilisés dans ces systèmes. Est basée sur le CISPR 22.
Electrical relays - Part 25: Electromagnetic emission tests for measuring relays and protection equipment
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2002
Electrical relays - Part 25: Electromagnetic emission tests for measuring relays
and protection equipment
Electrical relays -- Part 25: Electromagnetic emission tests for measuring relays and
protection equipment
Elektrische Relais -- Teil 25: Prüfungen der elektromagnetischen Störaussendung für
Meßrelais und Schutzeinrichtungen
Relais électriques -- Partie 25: Essais d'émission électromagnétique pour les relais de
mesure et dispositifs de protection
Ta slovenski standard je istoveten z: EN 60255-25:2000
ICS:
29.120.70 Releji Relays
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 60255-25
NORME EUROPÉENNE
EUROPÄISCHE NORM August 2000
ICS 29.120.70
English version
Electrical relays
Part 25: Electromagnetic emission tests for measuring relays and
protection equipment
(IEC 60255-25:2000)
Relais électriques Elektrische Relais
Partie 25: Essais d'émission Teil 25: Prüfungen der
électromagnétique pour les relais de elektromagnetischen Störaussendung für
mesure et dispositifs de protection Meßrelais und Schutzeinrichtungen
(CEI 60255-25:2000) (IEC 60255-25:2000)
This European Standard was approved by CENELEC on 2000-06-01. 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, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2000 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60255-25:2000 E
Page 2
Foreword
The text of document 95/87/FDIS, future edition 1 of IEC 60255-25, 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 60255-25 on 2000-06-01.
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) 2001-03-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2003-06-01
Annexes designated "normative" are part of the body of the standard.
Annexes designated "informative" are given for information only.
In this standard, annex ZA is normative and annexes A and B are informative.
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60255-25:2000 was approved by CENELEC as a European
Standard without any modification.
__________
Page 3
Annex ZA (normative)
Normative references to international publications
with their corresponding European publications
This European Standard incorporates by dated or undated reference, provisions from other publications.
These normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this European Standard only when incorporated in it by amendment or revision. For undated
references the latest edition of the publication referred to applies (including amendments).
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 60050-161 1990 International Electrotechnical Vocabulary - -
(IEV)
Chapter 161: Electromagnetic compatibility
IEC 60050-446 1983 Chapter 446: Electrical relays - -
IEC 60050-448 1995 Chapter 448: Power system protection - -
IEC 60255-6 1988 Electrical relays EN 60255-6 1994
(mod) Part 6: Measuring relays and protection + corr. February 1995
equipment
CISPR 16-1 1993 Specification for radio disturbance and - -
immunity measuring apparatus and methods
Part 1: Radio disturbance and immunity
measuring apparatus
CISPR 22 (mod) 1997 Information technology equipment - Radio EN 55022 1998
disturbance characteristics - Limits and + corr. August 1999
methods of measurement
NORME CEI
INTERNATIONALE IEC
60255-25
INTERNATIONAL
Première édition
STANDARD
First edition
2000-03
Relais électriques –
Partie 25:
Essais d'émission électromagnétique
pour relais de mesure et dispositifs de protection
Electrical relays –
Part 25:
Electromagnetic emission tests
for measuring relays and protection equipment
IEC 2000 Droits de reproduction réservés Copyright - all rights reserved
Aucune partie de cette publication ne peut être reproduite ni No part of this publication may be reproduced or utilized in
utilisée sous quelque forme que ce soit et par aucun procédé, any form or by any means, electronic or mechanical,
électronique ou mécanique, y compris la photocopie et les including photocopying and microfilm, without permission in
microfilms, sans l'accord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: +41 22 919 0300 e-mail: inmail@iec.ch IEC web site http://www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
M
PRICE CODE
International Electrotechnical Commission
Pour prix, voir catalogue en vigueur
For price, see current catalogue
60255-25 © IEC:2000 – 3 –
CONTENTS
Page
FOREWORD . 5
Clause
1 Scope and object . 7
2 Normative references . 7
3 Definitions. 9
4 Emission limits . 9
4.1 Conducted emission limits. 9
4.2 Radiated emission limits. 11
5 General measurement requirements for emission tests. 11
5.1 Ambient noise in measurement test sites. 11
5.2 Requirements for measurement of conducted emissions . 11
5.3 Requirements for measurement of radiated emissions. 13
6 Test procedure for emission tests. 15
6.1 General configuration of the EUT . 15
6.2 Measurement of conducted emissions . 17
6.3 Measurement of radiated emissions . 17
6.4 Measurement of radiated emissions at alternative distances . 17
7 Criteria for acceptance . 19
8 Test report . 19
Annex A (informative) The use of measuring relays and protection equipment
in other locations . 23
Annex B (informative) Explanatory notes on the origin of this emission standard . 25
Figure 1 – Dimensions of test site. 21
Figure 2 – Minimum size of metal ground plane. 21
Table 1 – Conducted emission limits. 9
Table 2 – Radiated emission limits. 11
60255-25 © IEC:2000 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRICAL RELAYS –
Part 25: Electromagnetic emission tests for
measuring relays and protection equipment
FOREWORD
1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of the 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, the IEC publishes International Standards. 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. The 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 the 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 National Committees.
3) The documents produced have the form of recommendations for international use and are published in the form
of standards, technical specifications, technical reports or guides and they are accepted by the National
Committees in that sense.
4) In order to promote international unification, IEC National Committees undertake to apply IEC International
Standards transparently to the maximum extent possible in their national and regional standards. Any
divergence between the IEC Standard and the corresponding national or regional standard shall be clearly
indicated in the latter.
5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with one of its standards.
6) Attention is drawn to the possibility that some of the elements of this International Standard may be the subject
of patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60255-25 has been prepared by IEC technical committee 95:
Measuring relays and protection equipment.
The text of this standard is based on the following documents:
FDIS Report on voting
95/87/FDIS 95/91/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 3.
Annexes A and B are for information only.
The committee has decided that the contents of this publication will remain unchanged until
2003. At this date, the publication will be
reconfirmed;
withdrawn;
replaced by a revised edition, or
amended.
60255-25 © IEC:2000 – 7 –
ELECTRICAL RELAYS –
Part 25: Electromagnetic emission tests for
measuring relays and protection equipment
1 Scope and object
This part of IEC 60255 specifies the general requirements for the measurement of radio-
frequency emissions emanating from measuring relays and protection equipment for power
system protection, including the control, monitoring and process interface equipment used with
such systems. It is based on CISPR 22 (see annex A).
The limits of acceptable conducted and radiated emissions are specified and test procedures
described.
The object of the tests is to confirm that the equipment being tested will not cause conducted
or radiated emissions above specified levels which might affect the satisfactory operation of
other equipment.
Any equipment or part of equipment which has the primary function of radio transmission
and/or reception is excluded from this standard.
The requirements specified in this document are applicable to measuring relays and protection
equipment in a new condition, and all tests specified are type tests only.
2 Normative references
The following normative documents contain provisions which, through reference in this text,
constitute provisions of this part of IEC 60255. For dated references, subsequent amendments
to, or revisions of, any of these publications do not apply. However, parties to agreements
based on this part of IEC 60255 are encouraged to investigate the possibility of applying the
most recent editions of the normative documents listed below. For undated references, the
latest edition of the normative document referred to applies. Members of IEC and ISO maintain
registers of currently valid International Standards.
IEC 60050(161):1990, International Electrotechnical Vocabulary (IEV) – Chapter 161:
Electromagnetic compatib
...
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