Fluids for electrotechnical applications - Recycled mineral insulating oils for transformers and switchgears

IEC 62701:2014 specifies requirements for recycled mineral insulating oils intended for use in transformers, switchgear, and similar electrical equipment in which oil is required for insulation and heat transfer. These oils are produced by processes employed offsite. Oils treated and reconditioned on-site are not within the scope of this standard. Oils with and without additives are within the scope of this standard. Such oils will have originally been supplied in compliance with a recognized unused mineral insulating oil specification. This standard does not differentiate between the methods used to recycle mineral insulating oil. This standard does not apply to mineral insulating oils used as impregnates in cables or capacitors.

Flüssigkeiten für elektrotechnische Anwendungen - Recycelte Isolieröle auf Mineralölbasis für Transformatoren und Schaltgeräte

Fluides pour applications électrotechniques - Huiles minérales isolantes recyclées pour transformateurs et appareillages de connexion

L'IEC 62701:2014 stipule les exigences relatives aux huiles minérales isolantes recyclées destinées à être utilisées dans les transformateurs, les appareillages de connexion et les matériels électriques analogues, dans lesquels l'huile est nécessaire comme fluide isolant et caloporteur. Ces huiles sont produites selon des procédés mis en oeuvre hors site. Les huiles traitées in situ et reconditionnées ne sont pas couvertes par la présente norme. Cette norme s'applique aux huiles avec ou sans additifs. Ces huiles auront initialement été fournies en conformité avec une spécification d'huile minérale isolante neuve reconnue. La présente norme n'établit aucune distinction entre les méthodes utilisées pour recycler les huiles minérales isolantes. Cette norme ne concerne pas les huiles minérales isolantes utilisées comme imprégnants dans des câbles ou des condensateurs.

Tekočine za elektrotehniko - Reciklirana mineralna izolacijska olja za transformatorje in krmilne naprave (IEC 62701:2014)

Ta mednarodni standard določa zahteve za reciklirana mineralna izolacijska olja za uporabo v transformatorjih, krmilnih napravah in podobni električni opremi, pri kateri je olje potrebno za izolacijo in prenos toplote.
Ta olja so izdelana v zunanjih procesih.
Ta standard ne zajema olj, obdelanih ali obnovljenih na kraju samem.
Ta standard zajema olja z aditivi in brez njih.
Takšna olja so bila prvotno dobavljena v skladu s priznano specifikacijo za neuporabljena mineralna izolacijska olja.
Ta standard ne razlikuje med metodami, ki se uporabljajo za recikliranje mineralnega izolacijskega olja.
Ta standard ne velja za mineralna izolacijska olja, ki se uporabljajo kot sredstva za impregnacijo v kablih ali kondenzatorjih.
V tem standardu veljajo naslednje točke standarda IEC 60296:2012:
– 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9;
– 4.1, 4.3, 4.4;
– 5.1, 5.5;
– 6.1, 6.2, 6.4, 6.5, 6.6, 6.8, 6.9, 6.10, 6.11.1, 6.11.3, 6.11.4, 6.12, 6.14, 6.15, 6.16;
– 7.1.
OPOMBA: Nekatere vrste ponovno rafiniranih olj so glede lastnosti enake neuporabljenim oljem in za njih velja standard IEC 60296. To mora navesti proizvajalec.

General Information

Status
Withdrawn
Publication Date
13-Nov-2014
Current Stage
6060 - Document made available
Due Date
14-Nov-2014
Completion Date
14-Nov-2014

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SLOVENSKI STANDARD
SIST EN 62701:2015
01-maj-2015
7HNRþLQH]DHOHNWURWHKQLNR5HFLNOLUDQDPLQHUDOQDL]RODFLMVNDROMD]D
WUDQVIRUPDWRUMHLQNUPLOQHQDSUDYH ,(&

Fluids for electrotechnical applications - Recycled mineral insulating oils for transformers

and switchgears (IEC 62701:2014)
Flüssigkeiten für elektrotechnische Anwendungen - Recycelte Isolieröle auf
Mineralölbasis für Transformatoren und Schaltgeräte

Fluides pour applications électrotechniques - Huiles minérales isolantes recyclées pour

transformateurs et appareillages de connexion
Ta slovenski standard je istoveten z: EN 62701:2014
ICS:
29.040.10 Izolacijska olja Insulating oils
29.130.01 Stikalne in krmilne naprave Switchgear and controlgear
na splošno in general
29.180 Transformatorji. Dušilke Transformers. Reactors
SIST EN 62701:2015 en

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

---------------------- Page: 1 ----------------------
SIST EN 62701:2015
---------------------- Page: 2 ----------------------
SIST EN 62701:2015
EUROPEAN STANDARD EN 62701
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2014
ICS 29.040
English Version
Fluids for electrotechnical applications - Recycled mineral
insulating oils for transformers and switchgears
(IEC 62701:2014)

Fluides pour applications électrotechniques - Huiles Flüssigkeiten für elektrotechnische Anwendungen -

minérales isolantes recyclées pour transformateurs et Recycelte Isolieröle auf Mineralölbasis für Transformatoren

appareillages de connexion und Schaltgeräte
(CEI 62701:2014) (IEC 62701:2014)

This European Standard was approved by CENELEC on 2014-04-15. 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, 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

© 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 62701:2014 E
---------------------- Page: 3 ----------------------
SIST EN 62701:2015
EN 62701:2014 - 2 -
Foreword

The text of document 10/908/FDIS, future edition 1 of IEC 62701, prepared by IEC TC 10 "Fluids for

electrotechnical applications" was submitted to the IEC-CENELEC parallel vote and approved by

CENELEC as EN 62701:2014.
The following dates are fixed:
• latest date by which the document has (dop) 2015-05-14
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2017-04-15
• latest date by which the national
standards conflicting with the
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 [and/or CEN] shall not be held responsible for identifying any or all such patent

rights.
Endorsement notice

The text of the International Standard IEC 62701:2014 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 60867 NOTE Harmonised as EN 60867.
---------------------- Page: 4 ----------------------
SIST EN 62701:2015
- 3 - EN 62701:2014
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When 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
Pu blication Year Title EN/HD Year
IEC 60156 - Insulating liquids - Determination of the EN 60156 -
breakdown voltage at power frequency -
Test method
IEC 60247 - Insulating liquids - Measurement of EN 60247 -
relative permittivity, dielectric dissipation
factor (tan d) and d.c. resistivity
IEC 60296 2012 Fluids for electrotechnical applications - EN 60296 2012
Unused mineral insulating oils for
transformers and switchgear
IEC 60422 - Mineral insulating oils in electrical EN 60422 -
equipment - Supervision and
maintenance guidance
IEC 60628 - Gassing of insulating liquids under HD 488 S1 -
electrical stress and ionization
IEC 60666 - Detection and determination of specified EN 60666 -
additives in mineral insulating oils
IEC 60814 - Insulating liquids - Oil-impregnated paper EN 60814 -
and pressboard - Determination of water
by automatic coulometric Karl Fischer
titration
IEC 60970 - Insulating liquids - Methods for counting EN 60970 -
and sizing particles
+EN 2008
60970:2007/corrigendum
Jan. 2008
IEC 61125 1992 Unused hydrocarbon based insulating EN 61125 1993
liquids - Test methods for evaluating the
oxidation stability
IEC 61198 - Mineral insulating oils - Methods for the EN 61198 -
determination of 2-furfural and related
compounds
IEC 61619 - Insulating liquids - Contamination by EN 61619 -
polychlorinated biphenyls (PCBs) -
Method of determination by capillary
column gas chromatography
IEC 61620 - Insulating liquids - Determination of the EN 61620 -
dielectric dissipation factor by
measurement of the conductance and
capacitance - Test method
IEC 61868 - Mineral insulating oils - Determination of EN 61868 -
kinematic viscosity at very low
temperatures
IEC 62021-1 - Insulating liquids - Determination of EN 62021-1 -
acidity -- Part 1: Automatic potentiometric
titration
---------------------- Page: 5 ----------------------
SIST EN 62701:2015
EN 62701:2014 - 4 -
IEC 62021-2 - Insulating liquids - Determination of EN 62021-2 -
acidity -- Part 2: Colourimetric titration
IEC 62535 - Insulating liquids - Test method for EN 62535 -
detection of potentially corrosive sulphur
in used and unused insulating oil
IEC 62697-1 - Test method for quantitative EN 62697-1 -
determination of corrosive sulfur
compounds in unused and used insulating
liquids -- Part 1: Test method for
quantitative determination of
dibenzyldisulfide (DBDS)
ISO 2719 - Petroleum products and lubricants - - -
Determination of Flash Point Pensky-
Martens closed cup method
ISO 3016 - Petroleum products_- Determination of - -
pour point
ISO 3104 - Petroleum products - Transparent and EN ISO 3104 -
opaque liquids - Determination of
kinematic viscosity and calculation of
dynamic viscosity
+AC -
ISO 3675 - Crude petroleum and liquid petroleum EN ISO 3675 -
products_- Laboratory determination of
density_- Hydrometer method
ISO 12185 - Crude petroleum and petroleum EN ISO 12185 -
products_- Determination of density_-
Oscillating U-tube method
ISO 14596 - EN ISO 14596 -
ASTM D971 - Standard Test Method for Interfacial - -
Tension of Oil Against Water by the Ring
Method
DIN 51353 - Testing of insulating oils; detection of - -
corrosive sulfur; silver strip test
EN 14210 - Surface active agents - Determination of - -
interfacial tension of solutions of surface
active agents by the stirrup or ring method
IP 346 - Determination of polycyclic aromatics in - -
lubricant base oils and asphaltene free
petroleum fractions - Dimethylsulfoxide
refractive method
IP 373 - Determination of the sulphur content of - -
light and middle distillates - Oxidative
microcoulometry
---------------------- Page: 6 ----------------------
SIST EN 62701:2015
IEC 62701
Edition 1.0 2014-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fluids for electrotechnical applications – Recycled mineral insulating oils for
transformers and switchgear
Fluides pour applications électrotechniques – Huiles minérales isolantes
recyclées pour transformateurs et appareillages de connexion
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX N
ICS 29.040 ISBN 978-2-8322-1121-2

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 62701:2015
– 2 – IEC 62701:2014  IEC 2014
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 5

1 Scope ............................................................................................................................... 6

2 Normative references ....................................................................................................... 6

3 Terms and definitions ....................................................................................................... 8

4 Properties of oil – Refining and stability ............................................................................ 9

5 Classification, identification, general delivery requirements .............................................. 9

5.1 Classification ........................................................................................................... 9

5.2 Requirements .......................................................................................................... 9

5.3 Miscibility ................................................................................................................ 9

5.4 Identification and general delivery requirements ...................................................... 9

6 Properties, their significance and test methods ................................................................. 9

6.1 Water content .......................................................................................................... 9

6.2 Acidity ................................................................................................................... 10

6.3 Antioxidant additives ............................................................................................. 10

6.4 Gassing tendency .................................................................................................. 10

6.5 Polycyclic aromatics content (PCAs) ..................................................................... 10

6.6 Polychlorinated biphenyl content (PCBs) ............................................................... 10

6.7 2-Furfural (2-FAL) and related compounds content ................................................ 11

6.8 Particle content ..................................................................................................... 11

6.9 DBDS content........................................................................................................ 11

6.10 Stray gassing of oil ................................................................................................ 11

Bibliography .......................................................................................................................... 14

Table 1 – General specifications ........................................................................................... 12

---------------------- Page: 8 ----------------------
SIST EN 62701:2015
IEC 62701:2014  IEC 2014 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FLUIDS FOR ELECTROTECHNICAL APPLICATIONS –
RECYCLED MINERAL INSULATING OILS
FOR TRANSFORMERS AND SWITCHGEAR
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 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.

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 62701 has been prepared by IEC technical committee 10: Fluids

for electro technical applications.
This International Standard is in line with IEC 60296 and IEC 60422.
The text of this standard is based on the following documents:
FDIS Report on voting
10/908/FDIS 10/910/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.

---------------------- Page: 9 ----------------------
SIST EN 62701:2015
– 4 – IEC 62701:2014  IEC 2014

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

the stability 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.
---------------------- Page: 10 ----------------------
SIST EN 62701:2015
IEC 62701:2014  IEC 2014 – 5 –
INTRODUCTION
Health and safety

This International Standard does not purport to address all the safety problems associated

with its use. It is the responsibility of the user of the standard to establish appropriate health

and safety practices and determine the applicability of regulatory limitations prior to use.

The mineral insulating oils which are the subject of this standard should be handled with due

regard to personal hygiene. Direct contact with the eyes may cause irritation. In the case of

eye contact, irrigation with copious quantities of clean running water should be carried out

and medical advice sought. Some of the tests specified in this standard involve the use of

processes that could lead to a hazardous situation. Attention is drawn to the relevant standard

for guidance.
Environment

This standard is applicable rise to mineral insulating oils, chemicals and used sample

containers. The disposal of these items shall be carried out according to the local regulations

with regard to the impact on the environment. Every precaution should be taken to prevent

release of mineral insulating oil into the environment.
---------------------- Page: 11 ----------------------
SIST EN 62701:2015
– 6 – IEC 62701:2014  IEC 2014
FLUIDS FOR ELECTROTECHNICAL APPLICATIONS –
RECYCLED MINERAL INSULATING OILS
FOR TRANSFORMERS AND SWITCHGEAR
1 Scope

This International Standard specifies requirements for recycled mineral insulating oils

intended for use in transformers, switchgear, and similar electrical equipment in which oil is

required for insulation and heat transfer.
These oils are produced by processes employed offsite.

Oils treated and reconditioned on-site are not within the scope of this standard.

Oils wit
...

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