SIST EN 50336:2004

SLOVENSKI SIST EN 50336:2004

STANDARD
september 2004
Bushings for transformers and reactor cable boxes not exceeding 36 kV
ICS 29.080.20; 29.180 Referenčna številka
SIST EN 50336:2004(en)
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

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EUROPEAN STANDARD EN 50336
NORME EUROPÉENNE
EUROPÄISCHE NORM June 2002
ICS 29.080.20; 29.180
English version
Bushings for transformers and reactor cable boxes
not exceeding 36 kV
Traversées pour boîtes à câbles Durchführungen für Kabelanschluss-
de transformateurs et d'inductances kästen von Transformatoren und
ne dépassant pas 36 kV Drosselspulen bis 36 kV
This European Standard was approved by CENELEC on 2001-12-04. 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, Czech Republic,
Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta,
Netherlands, Norway, Portugal, Slovakia, 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
© 2002 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50336:2002 E

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EN 50336:2002 - 2 -
Foreword
This European Standard was prepared by the Technical Committee CENELEC TC 36A, Insulated bushings.
The text of the draft was submitted to the formal vote and was approved by CENELEC as EN 50336 on
2001-12-04.
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) 2002-12-01
- latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2004-12-01
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- 3 - EN 50336:2002
Contents
Page
1 Scope . 4
2 Normative references . 4
3 Definitions. 4
4 Requirements . 5
4.1 Rating. 5
4.1.1 Standard values of rated voltage (U ). 5
r
4.1.2 Standard values of rated current (I ). 5
r
4.2 Compliance . 5
4.2.1 General - Ceramic bushings . 5
4.2.2 General - Resin insulated bushings. 6

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EN 50336:2002 - 4 -
1 Scope
This standard is applicable to insulated bushings for use in air insulated, shroud insulated and fully
insulated cable boxes for liquid filled transformers and reactors for rated voltages up to 36 kV, and rated
currents up to 4 000 A at frequencies from 15 Hz to 60 Hz.
2 Normative references
This European Standard incorporates, by dated or undated reference, provisions from other publications.
These normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this European Standard only when incorporated in it by amendment or revision. For undated
references, the latest editi
...