Nuclear power plants - Instrumentation, control and electrical power systems - Requirements for electromagnetic compatibility testing (IEC 62003:2020)

IEC 62003:2020 establishes requirements for electromagnetic compatibility testing of instrumentation, control, and electrical equipment supplied for use in systems important to safety at nuclear power plants and other nuclear facilities. The document lists the applicable IEC standards (principally the IEC 61000 series) which define the general test methods, and provides the necessary application-specific parameters and criteria to ensure that nuclear safety requirements are met.
This second edition cancels and replaces the first edition published in 2009. This edition includes the following significant technical changes with respect to the previous edition:
a) title modified.
b) expand the scope to encompass Electromagnetic Magnetic Compatibility (EMC) considerations for electrical equipment.
c) provide guidance for addressing the use of wireless technology.
d) enhance the description of the electromagnetic environment to provide clarification when selecting custom test levels or for test exemptions.
e) include example information to be contained within an EMC test plan.
f) provide guidance for characterization of the electromagnetic environment at the point of installation within a nuclear facility.

Kernkraftwerke - Elektro- und leittechnische Systeme mit sicherheitstechnischer Bedeutung - Anforderungen für die Prüfung der Elektromagnetischen Verträglichkeit

Centrales nucléaires de puissance - Systèmes d'instrumentation, de contrôle-commande et d'alimentation électrique - Exigences relatives aux essais de compatibilité électromagnétique

l'IEC 62003:2020 établit des exigences pour les essais de compatibilité électromagnétique du matériel d'instrumentation, de contrôle-commande (I&C) et d’alimentation électrique utilisé dans les systèmes importants pour la sûreté des centrales nucléaires et dans d'autres installations nucléaires. Le présent document donne la liste des normes IEC applicables (essentiellement la série IEC 61000) qui définissent les méthodes d'essai générales et fournit les paramètres et critères propres à l'application qui sont nécessaires pour garantir le respect des exigences de sûreté nucléaire.
Cette deuxième édition annule et remplace la première édition parue en 2009.Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) modification du titre;
b) élargissement du domaine d'application afin d'y intégrer les remarques relatives à la compatibilité électromagnétique (CEM) du matériel électrique;
c) formulation de recommandations en ce qui concerne l'utilisation de la technologie sans fil;
d) amélioration de la description de l'environnement électromagnétique afin d'apporter des précisions lors du choix des niveaux d'essai personnalisés ou en ce qui concerne les dispenses d'essais;
e) intégration d'exemples d'informations à intégrer dans un plan d'essai CEM;
f) formulation de recommandations en ce qui concerne la caractérisation de l'environnement électromagnétique au point d'installation dans une installation nucléaire.

Jedrske elektrarne - Merilni, nadzorni in elektroenergetski sistemi - Zahteve za preskušanje elektromagnetne združljivosti (IEC 62003:2020)

General Information

Status
Published
Public Enquiry End Date
31-Jul-2020
Publication Date
08-Oct-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
07-Oct-2020
Due Date
12-Dec-2020
Completion Date
09-Oct-2020

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SLOVENSKI STANDARD
SIST EN IEC 62003:2020
01-december-2020
Jedrske elektrarne - Merilni, nadzorni in elektroenergetski sistemi - Zahteve za
preskušanje elektromagnetne združljivosti (IEC 62003:2020)
Nuclear power plants - Instrumentation, control and electrical power systems -
Requirements for electromagnetic compatibility testing (IEC 62003:2020)
Kernkraftwerke - Elektro- und leittechnische Systeme mit sicherheitstechnischer

Bedeutung - Anforderungen für die Prüfung der Elektromagnetischen Verträglichkeit

Centrales nucléaires de puissance - Systèmes d'instrumentation, de contrôle-commande

et d'alimentation électrique - Exigences relatives aux essais de compatibilité
électromagnétique
Ta slovenski standard je istoveten z: EN IEC 62003:2020
ICS:
27.120.20 Jedrske elektrarne. Varnost Nuclear power plants. Safety
33.100.01 Elektromagnetna združljivost Electromagnetic compatibility
na splošno in general
SIST EN IEC 62003:2020 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 62003:2020
---------------------- Page: 2 ----------------------
SIST EN IEC 62003:2020
EUROPEAN STANDARD EN IEC 62003
NORME EUROPÉENNE
EUROPÄISCHE NORM
September 2020
ICS 27.120.20
English Version
Nuclear power plants - Instrumentation, control and electrical
power systems - Requirements for electromagnetic compatibility
testing
(IEC 62003:2020)

Centrales nucléaires de puissance - Systèmes Kernkraftwerke - Elektro- und leittechnische Systeme mit

d'instrumentation, de contrôle-commande et d'alimentation sicherheitstechnischer Bedeutung - Anforderungen für die

électrique - Exigences relatives aux essais de compatibilité Prüfung der Elektromagnetischen Verträglichkeit

électromagnétique (IEC 62003:2020)
(IEC 62003:2020)

This European Standard was approved by CENELEC on 2020-09-14. 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

© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC 62003:2020 E
---------------------- Page: 3 ----------------------
SIST EN IEC 62003:2020
EN IEC 62003:2020 (E)
European foreword

The text of document 45A/1299/FDIS, future edition 2 of IEC 62003, prepared by SC 45A

"Instrumentation, control and electrical power systems of nuclear facilities" of IEC/TC 45 "Nuclear

instrumentation" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as

EN IEC 62003:2020.
The following dates are fixed:

• latest date by which the document has to be implemented at national (dop) 2021-06-14

level by publication of an identical national standard or by endorsement

• latest date by which the national standards conflicting with the (dow) 2023-09-14

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.

As stated in the nuclear safety directive 2009/71/EURATOM, Chapter 1, Article 2, item 2, Member

States are not prevented from taking more stringent safety measures in the subject-matter covered by

the Directive, in compliance with Community law.

In a similar manner, this European standard does not prevent Member States from taking more

stringent nuclear safety and/or security measures in the subject-matter covered by this standard.

Endorsement notice

The text of the International Standard IEC 62003:2020 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:
CISPR 11 NOTE Harmonized as EN 55011
IEC 61000-2-2 NOTE Harmonized as EN 61000-2-2
IEC 61000-4-25 NOTE Harmonized as EN 61000-4-25
IEC 61000-6-2 NOTE Harmonized as EN IEC 61000-6-2
IEC 61513 NOTE Harmonized as EN 61513
IEC 61800-3 NOTE Harmonized as EN IEC 61800-3
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SIST EN IEC 62003:2020
EN IEC 62003:2020 (E)
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.
Publication Year Title EN/HD Year
IEC 61000-4-2 - Electromagnetic compatibility (EMC) - Part 4-2: EN 61000-4-2 -
Testing and measurement techniques -
Electrostatic discharge immunity test
IEC 61000-4-3 - Electromagnetic compatibility (EMC) - Part 4-3: - -
Testing and measurement techniques - Radiated,
radio-frequency, electromagnetic field immunity
test
IEC 61000-4-4 - Electromagnetic compatibility (EMC) - Part 4-4: EN 61000-4-4 -
Testing and measurement techniques - Electrical
fast transient/burst immunity test
IEC 61000-4-5 - Electromagnetic compatibility (EMC) - Part 4-5: EN 61000-4-5 -
Testing and measurement techniques - Surge
immunity test
IEC 61000-4-6 - Electromagnetic compatibility (EMC) - Part 4-6: EN 61000-4-6 -
Testing and measurement techniques - Immunity
to conducted disturbances, induced by radio-
frequency fields
IEC 61000-4-8 - Electromagnetic compatibility (EMC) - Part 4-8: EN 61000-4-8 -
Testing and measurement techniques - Power
frequency magnetic field immunity test
IEC 61000-4-9 - Electromagnetic compatibility (EMC) – Part 4-9: EN 61000-4-9 -
Testing and measurement techniques – Impulse
magnetic field immunity test

IEC 61000-4-10 - Electromagnetic compatibility (EMC) – Part 4-10: EN 61000-4- -

Testing and measurement techniques – Damped 10
oscillatory magnetic field immunity test
IEC 61000-4-11 - Electromagnetic compatibility (EMC) - Part 4-11: EN IEC -
Testing and measurement techniques - Voltage 61000-4-11
dips, short interruptions and voltage variations
immunity tests for equipment with input current up
to 16 A per phase

IEC 61000-4-12 - Electromagnetic compatibility (EMC) – Part 4-12: EN 61000-4- -

Testing and measurement techniques – Ring wave 12
immunity test

IEC 61000-4-13 - Electromagnetic compatibility (EMC) - Part 4-13: EN 61000-4- -

Testing and measurement techniques - Harmonics 13
and interharmonics including mains signalling at
a.c. power port, low frequency immunity tests
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SIST EN IEC 62003:2020
EN IEC 62003:2020 (E)
Publication Year Title EN/HD Year

IEC 61000-4-14 - Electromagnetic compatibility (EMC) - Part 4-14: EN 61000-4- -

Testing and measurement techniques - Voltage 14
fluctuation immunity test

IEC 61000-4-16 - Electromagnetic compatibility (EMC) - Part 4-16: EN 61000-4- -

Testing and measurement techniques - Test for 16
immunity to conducted, common mode
disturbances in the frequency range 0 Hz to 150
kHz
IEC 61000-4-17 - Electromagnetic compatibility (EMC) - Part 4-17: - -
Testing and measurement techniques - Ripple on
d.c. input power port immunity test
IEC 61000-4-18 - Electromagnetic compatibility (EMC) - Part 4-18: EN IEC -
Testing and measurement techniques - Damped 61000-4-18
oscillatory wave immunity test

IEC 61000-4-20 - Electromagnetic compatibility (EMC) - Part 4-20: EN 61000-4- -

Testing and measurement techniques - Emission 20
and immunity testing in transverse electromagnetic
(TEM) waveguides

IEC 61000-4-28 - Electromagnetic compatibility (EMC) - Part 4-28: EN 61000-4- -

Testing and measurement techniques - Variation of 28
power frequency, immunity test

IEC 61000-4-29 - Electromagnetic compatibility (EMC) - Part 4-29: EN 61000-4- -

Testing and measurement techniques - Voltage 29
dips, short interruptions and voltage variations on
d.c. input power port immunity tests

IEC 61000-4-34 - Electromagnetic compatibility (EMC) - Part 4-34: EN 61000-4- -

Testing and measurement techniques - Voltage 34
dips, short interruptions and voltage variations
immunity tests for equipment with input current
more than 16 A per phase
IEC 61000-6-4 - Electromagnetic compatibility (EMC) – Part 6-4: EN IEC -
Generic standards – Emission standard for 61000-6-4
industrial environments
IEC 61000-6-5 - Electromagnetic compatibility (EMC) - Part 6-5: EN 61000-6-5 -
Generic standards - Immunity for equipment used
in power station and substation environment
+prA
IEC 61000-6-7 - Electromagnetic compatibility (EMC) - Part 6-7: EN 61000-6-7 -
Generic standards - Immunity requirements for
equipment intended to perform functions in a
safety-related system (functional safety) in
industrial locations
IEC 61226 - Nuclear power plants - Instrumentation and control EN 61226 -
important to safety - Classification of
instrumentation and control functions
IEC/TR 61000-1-6 - Electromagnetic compatibility (EMC) - Part 1-6: - -
General - Guide to the assessment of
measurement uncertainty
IEC/TR 61000-2-5 - Electromagnetic compatibility (EMC) - Part 2-5: - -
Environment - Description and classification of
electromagnetic environments

IEC/IEEE 60780-- Nuclear facilities - Electrical equipment important EN 60780- -

323 to safety - Qualification 323
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SIST EN IEC 62003:2020
IEC 62003
Edition 2.0 2020-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colourcolour
insinsiidede
Nuclear power plants – Instrumention, control and electrical power systems –
Requirements for electromagnetic compatibility testing
Centrales nucléaires de puissance – Systèmes d'instrumentation, de contrôle-
commande et d'alimentation électrique – Exigences relatives aux essais de
compatibilité électromagnétique
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.120.20 ISBN 978-2-8322-7844-4

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 7 ----------------------
SIST EN IEC 62003:2020
– 2 – IEC 62003:2020 © IEC 2020
CONTENTS

FOREWORD ........................................................................................................................... 4

INTRODUCTION ..................................................................................................................... 6

1 Scope .............................................................................................................................. 8

2 Normative references ...................................................................................................... 8

3 Terms and definitions .................................................................................................... 10

4 Abbreviated terms ......................................................................................................... 11

5 EMC test requirements .................................................................................................. 12

6 Electromagnetic environment ......................................................................................... 13

7 Immunity testing ............................................................................................................ 15

7.1 General ................................................................................................................. 15

7.2 Applicability .......................................................................................................... 15

7.3 Measurement uncertainty ...................................................................................... 15

7.4 Test requirements ................................................................................................. 16

7.5 Immunity test considerations for wireless technology ............................................ 19

8 Emissions testing .......................................................................................................... 20

9 Test considerations ....................................................................................................... 21

10 Test report documentation ............................................................................................. 22

Annex A (normative) Functional quality criteria of nuclear I&C and electrical EUT for

immunity ............................................................................................................................... 23

Annex B (informative) Quality characteristics defining the classification of

electromagnetic environment severity in the locations where nuclear I&C and electrical

power equipment is to be installed ........................................................................................ 24

Annex C (informative) Explanation for the degrees of severity of tests for EMC

immunity ............................................................................................................................... 27

C.1 General ................................................................................................................. 27

C.2 Immunity to electrostatic discharges according to IEC 61000-4-2 .......................... 27

C.3 Immunity to radio-frequency electromagnetic field according to IEC 61000-4-

3 (or IEC 61000-4-20) ........................................................................................... 27

C.4 Immunity to electrical fast transient/burst according to IEC 61000-4-4 .................. 28

C.5 Immunity to surge disturbances of large energy according to IEC 61000-4-5 ......... 28

C.6 Immunity to conducted disturbances induced by radiofrequency fields

according to IEC 61000-4-6 .................................................................................. 28

C.7 Immunity to power frequency magnetic field according to IEC 61000-4-8 .............. 28

C.8 Immunity to pulse magnetic field according to IEC 61000-4-9 ............................... 29

C.9 Immunity to a damped oscillatory magnetic field according to

IEC 61000-4-10 .................................................................................................... 29

C.10 Immunity to voltage dips and short voltage interruptions according to

IEC 61000-4-11, IEC 61000-4-29, and IEC 61000-4-34 ......................................... 29

C.11 Immunity to a ring wave surge according to IEC 61000-4-12 ................................. 29

C.12 Immunity to a distortion of harmonics and interharmonics including mains

signalling at AC power port according to IEC 61000-4-13 ...................................... 30

C.13 Immunity to fluctuations of power supply voltage according to IEC 61000-4-

14 ......................................................................................................................... 30

C.14 Immunity to conducted common mode disturbances in the frequency range

of 0 Hz to 150 kHz according to IEC 61000-4-16 ................................................... 30

C.15 Immunity to ripple on DC input power ports according to IEC 61000-4-17 ............. 30

C.16 Immunity to oscillatory damped disturbances according to IEC 61000-4-18 ........... 31

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SIST EN IEC 62003:2020
IEC 62003:2020 © IEC 2020 – 3 –

C.17 Immunity to variation of power frequency according to IEC 61000-4-28 ................. 31

Annex D (informative) Guidance for tests and evaluation of the electromagnetic

environment in a nuclear power plant .................................................................................... 32

Annex E (informative) Guidance for tests and evaluation of conformance with the

requirements for emissions and immunity of operating nuclear I&C and electrical

equipment ............................................................................................................................. 33

Annex F (informative) Example form of test plan for nuclear I&C and electrical

equipment tests for emissions and immunity ......................................................................... 34

Annex G (informative) Example form of test report for nuclear I&C and electrical

equipment tests for emissions and immunity ......................................................................... 35

Annex H (informative) EMC testing of power electronics and adjustable speed drives .......... 36

Bibliography .......................................................................................................................... 38

Figure 1 – Examples of ports ................................................................................................ 11

Figure 2 – Example of the situation of a power station .......................................................... 14

Table 1 – Description of applicable EMC immunity and emissions tests for nuclear I&C

and electrical equipment important to safety ......................................................................... 13

Table 2 – Immunity specifications – Enclosure port ............................................................... 16

Table 3 – Immunity specifications – Signal and control ports................................................. 17

Table 4 – Immunity specifications – Low voltage AC input and output power ports ................ 18

Table 5 – Immunity specifications – Low voltage DC input and output power ports ................ 19

Table 6 – Limits for radiated emissions from nuclear I&C and electrical equipment ............... 20

Table 7 – Limits for conducted emissions from nuclear I&C and electrical equipment ............ 21

Table A.1 – Functional quality criteria of nuclear I&C and electrical EUT for immunity .......... 23

Table B.1 – Quality characteristics defining the classification of electromagnetic

environment severity in the locations where nuclear I&C and electrical equipment is to

be installed ........................................................................................................................... 24

Table H.1 – IEC 61800-3 conducted emissions limits for category C3 power

distribution system in the second (typical industrial) environment ......................................... 36

Table H.2 – IEC 61800-3 radiated emissions limits for category C3 power distribution

system in the second (typical industrial) environment ............................................................ 37

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SIST EN IEC 62003:2020
– 4 – IEC 62003:2020 © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
NUCLEAR POWER PLANTS – INSTRUMENTION, CONTROL
AND ELECTRICAL POWER SYSTEMS – REQUIREMENTS
FOR ELECTROMAGNETIC COMPATIBILITY TESTING
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

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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 itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

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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 62003 has been prepared by subcommittee 45A: Instrumentation,

control and electrical power systems of nuclear facilities, of IEC technical committee 45:

Nuclear instrumentation.

This second edition cancels and replaces the first edition published in 2009. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
a) title modified.
b) expand the scope to encompass Electromagnetic Magnetic Compatibility (EMC)
considerations for electrical equipment.
c) provide guidance for addressing the use of wireless technology.

d) enhance the description of the electromagnetic environment to provide clarification when

selecting custom test levels or for test exemptions.
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SIST EN IEC 62003:2020
IEC 62003:2020 © IEC 2020 – 5 –
e) include example information to be contained within an EMC test plan.

f) provide guidance for characterization of the electromagnetic environment at the point of

installation within a nuclear facility.
The text of this International Standard is based on the following documents:
FDIS Report on voting
45A/1299/FDIS 45A/1303/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.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document 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 document using a

colour printer.
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SIST EN IEC 62003:2020
– 6 – IEC 62003:2020 © IEC 2020
INTRODUCTION
a) Technical background, main issues and organization of the standard

This International Standard was prepared and based, to a very strong extent, on the

current application of the IEC 61000 series for commercial equipment qualification for

electromagnetic compatibility (EMC).

It is intended that this standard be used by operators of nuclear power plants (utilities),

systems evaluators and by licensors.

b) Situation of the current standard in the structure of the SC 45A standard series

IEC 62003 is the third level SC 45A document dealing with the issue of qualification for

electromagnetic compatibility (EMC) applicable to Instrumentation and Control (I&C) and

electrical systems important to safety in nuclear facilities.

For more details on the structure of the SC 45A standard series see item d) of this

introduction.
c) Recommendation and limitation regarding the application of this standard

It is important to note that this standard establishes no additional functional requirements

for safety systems but clarifies the criteria to be applied for qualification to
Electromagnetic and Radio Frequency Interference (EMI/RFI) from the commercial
standards.

Aspects for which special requirements and recommendations have been produced, are:

1) IEC 61000 series with specific qualifications for nuclear applications around the world;

2) regulatory interpretations for requirements on level of qualification necessary and

types of recommended testing to address all potential environmental stressors, related

to this type of qualification;

3) IEC 61000-6-2, Electromagnetic compatibility (EMC) – Part 6-2: Generic Standards –

Immunity for industrial environments, addresses requirements for all industrial
environments while this standard addresses environments in nuclear facilities
specifically.

This standard is intended to align with the guidance contained within IEC 61000-6-5 and

IEC 61000-6-7 where possible. Additional considerations from these standards can be

used in conjunction with this standard when addressing the EMC of electrical and I&C

equipment in nuclear facilities.

d) Description of the structure of the IEC SC45A standard series and relationships with

other IEC documents and other bodies documents (IAEA, ISO)

The top-level documents of the IEC SC45A standard series are IEC 61513 and IEC 63046.

IEC 61513 provides general requirements for I&C systems and equipment that are used to

perform functions important to safety in NPPs. IEC 63046 provides general requirements

for electrical power systems of NPPs; it covers power supply systems including the supply

systems of the I&C systems. IEC 61513 and IEC 63046 are to be considered in

conjunction and at the same level. IEC 61513 and IEC 63046 structure the IEC SC45A

standard series and shape a complete framework establishing general requirements for

instrumentation, control and electrical systems for nuclear power plants.

IEC 61513 and IEC 63046 refer directly to other IEC SC45A standards for general topics

related to categorization of functions and classification of systems, qualification,

separation, defence against common cause failure, control room design, electromagnetic

compatibility, cybersecurity, software and hardware aspects for programmable digital

systems, coordination of safety and security requirements and management of ageing.

The standards referenced directly at this second level should be considered together with

IEC 61513 and IEC 63046 as a consistent document set.
At a third level, IEC SC45A standards not directly referenced
...

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