SIST EN 61099:1997
(Main)Specification for unused synthetic organic esters for electrical purposes
Specification for unused synthetic organic esters for electrical purposes
Specifies characteristics of synthetic organic esters intended for use as insulating liquids in transformers and other electrical equipment. Gives general guidance on their properties, safety, storage and disposal, and requirements for packaging, labelling and sampling. Describes test methods to test the physical properties. Specifies required characteristics of synthetic organic esters intended for use in transformers and capacitors.
Anforderungen an neue synthetische organische Ester für elektrotechnische Zwecke
Spécifications pour esters organiques de synthèse neufs à usages électriques
Spécifie les caractéristiques des esters organiques de synthèse destinés à être utilisés comme liquides isolants dans les transformateurs et autres matériels électriques. Donne des indications générales sur leurs propriétés, leur sécurité, leur stockage et leur élimination, et les prescriptions d'emballage, d'étiquetage et d'échantillonnage. Décrit les méthodes d'essai pour évaluer les propriétés physiques. Spécifie les caractéristiques nécessaires des esters organiques de synthèse destinés à être utilisés dans les transformateurs et condensateurs.
Specification for unused synthetic organic esters for electrical purposes (IEC 1099:1992)
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Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 61099:1997
01-oktober-1997
Specification for unused synthetic organic esters for electrical purposes (IEC
1099:1992)
Specification for unused synthetic organic esters for electrical purposes
Anforderungen an neue synthetische organische Ester für elektrotechnische Zwecke
Spécifications pour esters organiques de synthèse neufs à usages électriques
Ta slovenski standard je istoveten z: EN 61099:1992
ICS:
29.035.20 3ODVWLþQLLQJXPHQLL]RODFLMVNL Plastics and rubber insulating
PDWHULDOL materials
SIST EN 61099:1997 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 61099:1997
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SIST EN 61099:1997
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SIST EN 61099:1997
NORME CEI
INTERNATIONALE IEC
61099
INTERNATIONAL
Première édition
STAN DARD
First edition
1992-05
Spécifications pour esters organiques
de synthèse neufs à usages électriques
Specifications for unused synthetic
organic esters for
electrical purposes
© IEC 1992 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 st par aucun any form or by any means, electronic or mechanical,
procédé, électronique ou mécanique, y compris la photo- including photocopying and microfilm, without permission in
copie et les microfilms, sans raccord écrit de l'éditeur. writing from the publisher.
International Electrotechnical Commission 3, rue de Varembé Geneva, Switzerland
Telefax: x-41 22 919 0300 e-mail: inmail@iec.ch IEC web site http: //www.iec.ch
CODE PRIX
Commission Electrotechnique Internationale
PRICE CODE
International Electrotechnical Commission
IEC
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vigueur
Pour prix, voir catalogue en
• •
For price, see current catalogue
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SIST EN 61099:1997
IEC Publication 1099
Publication 1099 de la CEI
(First edition - 1992)
(Première édition - 1992)
Spécifications pour esters Specifications for unused synthetic
organiques
organic esters for electrical purposes
de synthèse neufs à usages électriques
C O R R I G E N D U M 1
Page 7
Page 6
2 Normative references
2 Références normatives
In the list of standards, instead of
Dans la liste des normes, au lieu de
IEC 813: 1985, Test method for evaluating
CEI 813: 1985, Méthode d’essai pour
the oxidation stability of hydrocarbon
évaluer la stabilité à l’oxydation des
insulating liquids
diélectriques liquides à base d’hydro-
carbures
read
lire
IEC 1125: 1992, Unused hydrocarbon-
CEI 1125: 1992, Isolants liquides neufs à
base d’hydrocarbures – Méthodes d’essai based insulating liquids – Test methods for
evaluating the oxidation stability
pour évaluer la stabilité à l’oxydation
Page 15
Page 14
9.12 Oxidation stability
9.12 Stabilité à l’oxydation
Instead of
Au lieu de
... according to IEC 813, ...
... selon la CEI 813, ...
read
lire
... according to IEC 1125, Method C, ...
... selon la CEI 1125, Méthode C, ...
Décembre 1993
December 1993
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SIST EN 61099:1997
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SIST EN 61099:1997
1099©IEC - 3 -
CONTENTS
Page
FOREWORD 5
Clause
1 Scope 7
2 Normative references 7
3 Description and general properties 9
4 Safety 9
5 Storage and maintenance 11
6 Disposal 11
7 Packaging and labelling 11
8 Sampling 11
9 Test methods 11
10 Precision and interpretation of test results 17
11 Specifications for synthetic organic esters used in transformers 17
12 Specifications for synthetic organic esters used in capacitors 17
Specification sheet 1 17
Specification sheet 2 19
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SIST EN 61099:1997
1099©IEC — 5 —
INTERNATIONAL ELECTROTECHNICAL COMMISSION
SPECIFICATIONS FOR UNUSED SYNTHETIC ORGANIC ESTERS
FOR ELECTRICAL PURPOSES
FOREWORD
1) The formal decisions or agreements of the IEC on technical matters, prepared by Technical Committees on
which all the National Committees having a special interest therein are represented, express, as nearly as
possible, an international consensus of opinion on the subjects dealt with.
2) They have the form of recommendations for international use and they are accepted by the National
Committees in that sense.
3) In order to promote international unification, the IEC expresses the wish that all National Committees
should adopt the text of the IEC recommendation for their national rules in so far as national conditions will
permit. Any divergence between the IEC recommendation and the corresponding national rules should, as
far as possible, be clearly indicated in the latter.
4) The IEC has not laid down any procedure concerning marking as an indication of approval and has no
responsibility when an item of equipment is declared to comply with one of its recommendations.
This International Standard has been prepared by IEC Technical Committee No. 10: Fluids
for electrotechnical applications.
The text of this standard is based on the following documents:
DIS Report on Voting
10(CO)259 10(CO)265
Full information on the voting for the approval of this standard can be found in the Voting
Report indicated in the above table.
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SIST EN 61099:1997
1099©IEC - 7 -
SPECIFICATION FOR UNUSED SYNTHETIC
ORGANIC ESTERS FOR ELECTRICAL PURPOSES
1 Scope
This International Standard specifies characteristics of synthetic organic esters intended
for use as insulating liquids in transformers and other electrical equipment.
- Clauses 3 to 8 describe the synthetic organic esters and give general guidance on
their properties, safety, storage and disposal. They also give requirements for
packaging, labelling and sampling.
- Clause 9 describes the test methods that shall be employed to test the properties of
synthetic organic esters.
- Clauses 11 and 12 specify the required characteristics of synthetic organic esters
intended for use in transformers and capacitors. Other specification sheets will be
added when required.
NOTE - Maintenance of esters in equipment will be covered in a separate publication.
2 Normative references
The following standards contain provisions which, through reference in this text, constitute
provisions of this International Standard. At the time of publication, the editions indicated
were valid. All standards are subject to revision, and parties to agreements based on this
International Standard are encouraged to investigate the possibility of applying the most
recent editions of the standards indicated below. Members of IEC and ISO maintain
registers of currently valid International Standar.
IEC 156: 1963, Method for the determination of the electric strength of insulating oils.
IEC 247: 1978, Measurement of relative permittivity, dielectric dissipation factor and d.c.
resistivity of insulating liquids.
IEC 475: 1974, Method of sampling liquid dielectrics.
IEC 628: 1985, Gassing of insulating liquids under electrical stress and ionization.
Test method for evaluating the oxidation stability of hydrocarbon insulating
IEC 813: 1985,
liquids.
IEC 814: 1985, Determination of water in insulating liquids by automatic coulometric Karl
Fischer titration.
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SIST EN 61099:1997
1099©IEC - 9 --
ISO 2211: 1973,
Liquid chemical products - Measurement of colour in Hazen units
(platinum-cobalt scale).
ISO 2592: 1973,
Petroleum products - Determination of flash and fire-points - Cleveland
open cup method.
ISO 2719: 1988, Petroleum products and lubricants - Determination of
flash-point - Pensky
Martens closed cup method.
ISO 3016: 1974, Petroleum oils - Determination of pour-point.
ISO 3104: 1976,
Petroleum products - Transparent and opaque liquids - Determination of
kinematic viscosity and calculation of dynamic viscosity.
ISO 3675: 1976,
Crude petroleum and liquid petroleum products - Laboratory deter-
mination of density or relative density - Hydrometer method.
ISO 5661: 1983,
Petroleum products - Hydrocarbon liquids - Determination of refractive
index.
3 Description and general properties
The synthetic organic esters to which this standard applies are liquids which contain only
carbon, hydrogen and oxygen. They are prepared from mono or polyhydric alcohols and
mono or polybasic aliphatic or aromatic acids.
Commercial products may be based on single esters or a mixture of esters and may
contain stabilizers.
Synthetic organic esters selected for use in transformers have high flash and fire points
and are therefore relatively difficult to ignite. Their other physical properties are in most
cases similar to those of mineral insulating oils. They may, however, have slightly higher
viscosities than conventional transformer mineral insulating oils.
Esters are more sensitive to moisture than mineral oils and this aspect will need to be
considered in their use and maintenance.
4 Safety
The handling of ester liquids is not hazardous to health. Although not skin irritants, esters
...
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