EN 60376:2005
(Main)Specification of technical grade sulfur hexafluoride (SF6) for use in electrical equipment
Specification of technical grade sulfur hexafluoride (SF6) for use in electrical equipment
This International Standard defines the quality requirements and properties for technical grade sulfur hexafluoride (SF6) for use in electrical equipment. It covers the properties and methods of test applicable to SF6 when this substance is supplied for use in connection with any electrical equipment. This second edition differs widely from the first one. The focus is now on the specification of the gas needed for electrical applications. As a consequence, the term employed to name this gas is technical grade in place of new. Based on experience, the acceptable impurity levels have been increased. However, the gas as defined in this new second edition has the same performance in electrical equipment as the gas previously defined in the first edition. The analytical methods for the SF6 analysis have been removed as it has been found confusing to prescribe methods that can become obsolete very rapidly.
Bestimmung für Schwefelhexafluorid (SF6) von technischem Reinheitsgrad zur Verwendung in elektrischen Betriebsmitteln
Spécifications de la qualité technique de l'hexafluorure de soufre (SF6) pour utilisation dans les appareils électriques
La présente Norme internationale définit les exigences relatives à la qualité et aux propriétés pour la réception de l'hexafluorure de soufre de qualité technique (SF6) pour utilisation dans l'appareillage électrique. Elle couvre les propriétés et les méthodes d'essai applicables au SF6 lorsque ce gaz est fourni pour l'utilisation en liaison avec tout matériel électrique. Cette deuxième édition diffère significativement de la première. La présente norme se concentre principalement sur les spécifications du gaz requises pour des applications électriques. Par conséquent, le terme utilisé pour nommer ce gaz est qualité technique au lieu de nouveau. Basés sur l'expérience, les niveaux d'impureté ont été augmentés. Néanmoins, le gaz ainsi défini dans cette deuxième édition posséde les mêmes performances dans l'équipement électrique que le gaz initialement défini dans la première édition. Les méthodes analytiques pour l'analyse du SF6 ont été supprimées car il a été considéré inapproprié de prescrire des méthodes qui peuvent devenir obsolètes rapidement.
Specifikacija tehničnega žveplovega heksafluorida (SF6) za uporabo v električni opremi (IEC 60376:2005)
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SLOVENSKI SIST EN 60376:2006
STANDARD
januar 2006
Specifikacija tehničnega žveplovega heksafluorida (SF6) za uporabo v
električni opremi (IEC 60376:2005)
(istoveten EN 60376:2005)
Specification of technical grade sulphur hexafluoride (SF6) for use in electrical
equipment (IEC 60376:2005)
ICS 29.040.20 Referenčna številka
© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno
EUROPEAN STANDARD EN 60376
NORME EUROPÉENNE
EUROPÄISCHE NORM October 2005
ICS 29.040.20; 29.130
English version
Specification of technical grade sulfur hexafluoride (SF )
for use in electrical equipment
(IEC 60376:2005)
Spécifications de la qualité technique Bestimmung für Schwefelhexafluorid
de l'hexafluorure de soufre (SF ) (SF ) von technischem Reinheitsgrad
6 6
pour utilisation dans les appareils zur Verwendung in elektrischen
électriques Betriebsmitteln
(CEI 60376:2005) (IEC 60376:2005)
This European Standard was approved by CENELEC on 2005-09-01. 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, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, 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
© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 60376:2005 E
Foreword
The text of document 10/620/FDIS, future edition 2 of IEC 60376, prepared by IEC TC 10, Fluids for
electrotechnical applications, was submitted to the IEC-CENELEC parallel vote and was approved by
CENELEC as EN 60376 on 2005-09-01.
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) 2006-06-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2008-09-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60376:2005 was approved by CENELEC as a European
Standard without any modification.
__________
- 3 - EN 60376:2005
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 Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
1)
IEC 60050-191 - International Electrotechnical Vocabulary - -
(IEV)
Chapter 191: Dependability and quality of
service
1)
IEC 60050-212 - Chapter 212: Insulating solids, liquids - -
and gases
1)
IEC 60050-441 - Chapter 441: Switchgear, controlgear - -
and fuses
1)
IEC 60050-826 - Chapter 826: Electrical installations - -
1)
2)
IEC 60480 - Guidelines for the checking and EN 60480 2004
treatment of sulphur hexafluoride (SF6)
taken from electrical equipment and
specification for its re-use
1)
IEC/TS 61634 - High-voltage switchgear and controlgear - -
– Use and handling of sulfur hexafluoride
(SF ) in high-voltage switchgear and
controlgear
1)
ISO 14040 - Environnmental management - Life cycle - -
assessment - Principles and framework
1)
Undated reference.
2)
Valid edition at date of issue.
NORME CEI
INTERNATIONALE
IEC
INTERNATIONAL
Deuxième édition
STANDARD
Second edition
2005-06
Spécifications de la qualité technique
de l'hexafluorure de soufre (SF ) pour
utilisation dans les appareils électriques
Specification of technical grade
sulfur hexafluoride (SF ) for use
in electrical equipment
IEC 2005 Droits de reproduction réservés Copyright - all rights reserved
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électronique ou mécanique, y compris la photocopie et les photocopying and microfilm, without permission in writing from
microfilms, sans l'accord écrit de l'éditeur. the publisher.
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Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch Web: www.iec.ch
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МеждународнаяЭлектротехническаяКомиссия
Pour prix, voir catalogue en vigueur
For price, see current catalogue
60376 IEC:2005 – 3 –
CONTENTS
FOREWORD.5
INTRODUCTION.9
1 Scope .11
2 Normative references .11
3 Terms and definitions .11
4 General properties of SF .13
4.1 Electrical properties.13
4.2 Compatibility .15
5 Maximum acceptable impurity levels for technical grade SF .15
6 Environmental, health and safety aspects .17
6.1 Environmental aspects.17
6.1.1 Introductory remarks .17
6.1.2 Environmental characteristics of SF .17
6.1.3 Environmentally compatible use of SF .19
6.2 Health and safety .19
6.2.1 Introduction.19
6.2.2 Toxicity.19
6.2.3 Oxygen depletion .19
6.2.4 Mechanical .19
6.2.5 Freezing .21
7 Handling, storage and transportation.21
7.1 Gas handling procedures .21
7.2 Gas handling .21
7.3 Storage .21
7.4 Transportation .21
Bibliography .23
Table 1 – Maximum acceptable impurity levels .15
60376 IEC:2005 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SPECIFICATION OF TECHNICAL GRADE
SULFUR HEXAFLUORIDE (SF )
FOR USE IN ELECTRICAL EQUIPMENT
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 60376 has been prepared by IEC technical committee 10: Fluids
for electrotechnical applications.
This second edition cancels and replaces the first edition published in 1971, its first
supplement IEC 60376A (1973) and its second supplement IEC 60376B (1974), and
constitutes a technical revision.
This second edition differs widely from the first one. The focus is now on the specification of
the gas needed for electrical applications. As a consequence, the term employed to name this
gas is “technical grade” in place of “new”. Based on experience, the acceptable impurity
levels have been increased. However, the gas as defined in this new second edition has the
same performance in electrical equipment as the gas previously defined in the first edition.
The analytical methods for the SF analysis have been removed as it has been found
confusing to prescribe methods that can become obsolete very rapidly.
60376 IEC:2005 – 7 –
Additional technical information can be found in IEC 61634 devoted to the application of SF
in HV switchgear and controlgear.
The text of this standard is based on the following documents:
FDIS Report on voting
10/620/FDIS 10/627/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.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on tha 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.
60376 IEC:2005 – 9 –
INTRODUCTION
Sulfur hexafluoride, SF , is an essential gas for electrical equipment.
The available
...
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