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SIST EN 50216-7:2002
01-oktober-2002
Power transformer and reactor fittings - Part 7: Electric pumps for transformer oil
Power transformer and reactor fittings -- Part 7: Electric pumps for transformer oil
Zubehör für Transformatoren und Drosselspulen -- Teil 7: Elektrische Pumpen für
Transformatorenöl
Accessoires pour transformateurs de puissance et bobines d'inductance -- Partie 7:
Pompes électriques pour transformateur immergé
Ta slovenski standard je istoveten z: EN 50216-7:2002
ICS:
29.180 Transformatorji. Dušilke Transformers. Reactors
SIST EN 50216-7:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 50216-7:2002
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SIST EN 50216-7:2002
EUROPEAN STANDARD EN 50216-7
NORME EUROPÉENNE
EUROPÄISCHE NORM January 2002
ICS 29.180
English version
Power transformer and reactor fittings
Part 7: Electric pumps for transformer oil
Accessoires pour transformateurs Zubehör für Transformatoren
de puissance et bobines d'inductance und Drosselspulen
Partie 7: Pompes électriques Teil 7: Elektrische Pumpen
pour transformateur immergé für Transformatorenöl
This European Standard was approved by CENELEC on 2001-07-01. 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, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands,
Norway, Portugal, 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 50216-7:2002 E
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SIST EN 50216-7:2002
EN 50216-7:2002 - 2 -
Foreword
This European Standard was prepared by the Technical Committee CENELEC TC 14, Power
transformers.
The text of the draft was submitted to the formal vote and was approved by CENELEC as
EN 50216-7 on 2001-07-01.
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) 2002-08-01
- latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2004-08-01
EN 50216-7 is to be read in conjunction with EN 50216-1.
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SIST EN 50216-7:2002
- 3 - EN 50216-7:2002
Contents
Page
1 Scope . 4
2 Normative references. 4
3 Definitions. 5
4 Design . 5
4.1 General. 5
4.2 Casing/enclosure . 6
4.3 Terminal box . 6
4.4 Hydraulic performance. 6
4.5 Electrical performance . 8
4.6 Noise. 8
4.7 Labelling . 8
5 Materials. 9
6 Preferred sizes .
...