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EN 60780-323:2017

(Main)

Nuclear facilities - Electrical equipment important to safety - Qualification

Nuclear facilities - Electrical equipment important to safety - Qualification

IEC/IEEE 60780-323:2016 describes the basic requirements for qualifying electrical equipment important to safety and interfaces (electrical and mechanical) that are to be used in nuclear facilities. The principles, methods, and procedures described are intended to be used for qualifying equipment, maintaining and extending qualification, and updating qualification, as required, if the equipment is modified. The qualification requirements in this standard, when met, demonstrate and document the ability of equipment to perform safety function(s) under applicable service conditions, including design basis events and certain design extension conditions, and reduce the risk of environmentally induced common-cause equipment failure. This new edition includes the following main changes with respect to the previous edition IEC 60780:1998 harmonizes in a unique standard qualification practices formerly given by IEC 60780:1998 and IEEE 323:2003 on initial qualification, takes into account the need to reassess and extend the qualified life of electrical equipment regarding projects to extend the operating life of nuclear facilities.

Kerntechnische Anlagen - Elektrisches Gerät mit sicherheitstechnischer Bedeutung - Qualifizierung

Installations nucléaires - Equipements électriques importants pour la sûreté - Qualification

Jedrski objekti - Električna oprema, pomembna za varnost - Kvalifikacija (IEC/IEEE 60780-323:2016)

Ta mednarodni standard opisuje osnovne zahteve za kvalifikacijo električne opreme, ki je pomembna za varnost in vmesnike (električne in mehanske), ki se uporabljajo v jedrskih objektih. Opisana načela, metode in postopki so namenjeni za kvalifikacijo opreme, vzdrževanje in razširjanje kvalifikacij ter po potrebi posodabljanje kvalifikacij, če pride do sprememb na opremi. Zahteve za kvalifikacijo v tem standardu, če so izpolnjene, dokazujejo in dokumentirajo ustreznost opreme za izvajanje varnostnih funkcij v ustreznih pogojih izvajanja storitve, vključno z določenimi dogodki in pogoji, ki so predvideni v načrtu, ter zmanjšujejo tveganje splošnih okvar opreme, ki so posledica okoljskih vplivov.
Ta standard ne podaja ravni okoljskega vpliva ali zahtev glede zmogljivosti. Drugi vidiki v zvezi z zagotavljanjem kakovosti, izbiro in uporabo elektronske opreme, načrtovanjem ter spreminjanjem digitalnih sistemov niso del tega standarda.
Drugi standardi IEC ali IEEE, ki opisujejo programe za kvalifikacijo določene opreme, določena okolja ali določene dele programov za kvalifikacijo, se lahko uporabljajo kot dodatek k temu standardu, kot je primerno. Bibliografija navaja druge standarde, povezane s kvalifikacijo opreme.

General Information

Status
Published
Publication Date
12-Oct-2017
Withdrawal Date
10-Sep-2020
ICS
27.120.20 - Nuclear power plants. Safety
Technical Committee
CLC/TC 45AX - Nuclear power plants
Drafting Committee
CLC/TC 45AX - Nuclear power plants
Current Stage
6060 - Document made available - Publishing
Start Date
13-Oct-2017
Due Date
19-Nov-2018
Completion Date
13-Oct-2017
Ref Project
SIST EN 60780-323:2017 - Nuclear facilities - Electrical equipment important to safety - Qualification (IEC/IEEE 60780-323:2016)

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SLOVENSKI STANDARD
01-december-2017
-HGUVNLREMHNWL(OHNWULþQDRSUHPDSRPHPEQD]DYDUQRVW.YDOLILNDFLMD ,(&,(((

Nuclear facilities - Electrical equipment important to safety - Qualification (IEC/IEEE
60780-323:2016)
Kerntechnische Anlagen - Elektrisches Gerät mit sicherheitstechnischer Bedeutung -
Qualifizierung (IEC/IEEE 60780-323:2016)
Installations nucléaires - Equipements électriques importants pour la sûreté -
Qualification (IEC/IEEE 60780-323:2016)
Ta slovenski standard je istoveten z: EN 60780-323:2017
ICS:
27.120.20 Jedrske elektrarne. Varnost Nuclear power plants. Safety
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60780-323

NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2017
ICS 27.120.20
English Version
Nuclear facilities - Electrical equipment important to safety -
Qualification
(IEC/IEEE 60780-323:2016)
Installations nucléaires - Equipements électriques Kerntechnische Anlagen - Elektrisches Gerät mit
importants pour la sûreté - Qualification sicherheitstechnischer Bedeutung - Qualifizierung
(IEC/IEEE 60780-323:2016) (IEC/IEEE 60780-323:2016)
This European Standard was approved by CENELEC on 2017-09-11. 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, 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: Avenue Marnix 17, B-1000 Brussels
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60780-323:2017 E
European foreword
This document (EN 60780-323:2017) consists of the text of IEC/IEEE 60780-323:2016 prepared by
SC 45A "Instrumentation, control and electrical systems of nuclear facilities" of IEC/TC 45 "Nuclear
instrumentation", in cooperation with the Nuclear Power Engineering Committee of the Power and
Energy Society of the IEEE, under the IEC/IEEE Dual Logo Agreement between IEC and IEEE.

The following dates are fixed:

• latest date by which this document has to be (dop) 2018-09-11
implemented at national level by publication of an
identical national standard or by endorsement
• latest date by which the national standards (dow) 2020-09-11
conflicting with this 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/IEEE 60780-323:2016 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 60068-2-6 NOTE Harmonized as EN 60068-2-6.
IEC 60068-2-11 NOTE Harmonized as EN 60068-2-11.
IEC 60068-2-14 NOTE Harmonized as EN 60068-2-14.
IEC 60068-2-27 NOTE Harmonized as EN 60068-2-27.
IEC 60068-2-30 NOTE Harmonized as EN 60068-2-30.
IEC 60068-2-57 NOTE Harmonized as EN 60068-2-57.
IEC 60068-3-3 NOTE Harmonized as EN 60068-3-3.
IEC 60216-1 NOTE Harmonized as EN 60216-1.
IEC 60216-2 NOTE Harmonized as EN 60216-2.
IEC 60529 NOTE Harmonized as EN 60529.
IEC 60544-2 NOTE Harmonized as EN 60544-2.
IEC 60811-412 NOTE Harmonized as EN 60811-412.
IEC 61000-4 Series NOTE Harmonized as EN 61000-4 Series.
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 60980 -  Recommended practices for seismic - -
qualification of electrical equipment of the
safety system for nuclear generating
stations
TM
IEEE Std 344 2013 IEEE Standard for Seismic Qualification of - -
Equipment for Nuclear Power Generating
Stations
IEC/IEEE 60780-323 ®
Edition 1.0 2016-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Nuclear facilities – Electrical equipment important to safety – Qualification

Installations nucléaires – Equipements électriques importants pour la sûreté –

Qualification
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 27.120.20 ISBN 978-2-8322-3168-5

– 2 – IEC/IEEE 60780-323:2016
© IEC/IEEE 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope and object . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Symbols and abbreviations . 12
5 Principles of equipment qualification . 12
5.1 Qualification objective . 12
5.2 Qualified life and qualified condition . 13
5.3 Qualification elements . 13
5.4 Qualification documentation . 13
6 Qualification methods . 14
6.1 Initial qualification . 14
6.1.1 Type testing . 14
6.1.2 Operating experience . 14
6.1.3 Analysis . 14
6.1.4 Combined methods . 14
6.2 Reassessing qualified life . 14
6.2.1 General . 14
6.2.2 Method 1: Using conservatism . 15
6.2.3 Method 2: Type test on aged samples from the plant . 15
6.2.4 Method 3: Performing type test for longer qualified life . 15
6.2.5 Method 4: Component replacement . 15
6.3 Condition monitoring . 15
7 Qualification program . 16
7.1 General . 16
7.2 Equipment specification. 16
7.2.1 General . 16
7.2.2 Equipment identification . 16
7.2.3 Interfaces . 16
7.2.4 Qualified life objective . 17
7.2.5 Safety function(s) . 17
7.2.6 Service conditions . 17
7.3 Qualification programme plan . 18
7.3.1 General . 18
7.3.2 Ageing . 18
7.3.3 Significant ageing mechanisms . 18
7.3.4 Qualified life objective . 19
7.3.5 Service condition margin . 19
7.3.6 Maintenance . 19
7.3.7 Acceptance criteria . 19
7.4 Qualification programme implementation . 19
7.4.1 Type testing . 19
7.4.2 Operating experience . 25
7.4.3 Qualification with analysis . 26

IEC/IEEE 60780-323:2016 – 3 –
© IEC/IEEE 2016
7.4.4 Modifications. 27
8 Documentation . 27
8.1 General . 27
8.2 General documentation requirements . 27
8.3 Specific documentation requirements for mild environment . 28
8.4 Specific documentation requirements for harsh environment . 28
Bibliography . 29

Table 1 – Minimal test margins recommended for DBEs . 21

– 4 – IEC/IEEE 60780-323:2016
© IEC/IEEE 2016
NUCLEAR FACILITIES – ELECTRICAL EQUIPMENT
IMPORTANT TO SAFETY – QUALIFICATION

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 t
...

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