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SIST EN 50216-12:2011
01-junij-2011
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Power transformer and reactor fittings - Part 12: Fans
Zubehör für Transformatoren und Drosselspulen - Teil 12: Ventilatoren
Accessoires pour transformateurs de puissance et bobines d'inductance - Partie 12:
Ventilateurs
Ta slovenski standard je istoveten z: EN 50216-12:2011
ICS:
29.180 Transformatorji. Dušilke Transformers. Reactors
SIST EN 50216-12:2011 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 50216-12:2011
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SIST EN 50216-12:2011
EUROPEAN STANDARD
EN 50216-12
NORME EUROPÉENNE
April 2011
EUROPÄISCHE NORM
ICS 29.180
English version
Power transformer and reactor fittings -
Part 12: Fans
Accessoires pour transformateurs de Zubehör für Transformatoren und
puissance et bobines d'inductance - Drosselspulen -
Partie 12: Ventilateurs Teil 12: Ventilatoren
This European Standard was approved by CENELEC on 2011-03-21. 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, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50216-12:2011 E
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SIST EN 50216-12:2011
EN 50216-12:2011 – 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 50216-12 on 2011-03-21.
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) 2012-03-21
– latest date by which the national standards conflicting
with the EN have to be withdrawn
(dow) 2014-03-21
EN 50216-12 is to be read in conjunction with EN 50216-1, Power transformer and reactor fittings –
Part 1: General.
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SIST EN 50216-12:2011
– 3 – EN 50216-12:2011
Contents
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 Requirements . 5
4.1 Rated values . 5
4.2 Rated power and noise . 6
4.3 Design of the drive . 6
4.4 Design of the connection box . 6
4.5 Design of the housing . 6
4.6 Design of the fan wheel . 6
4.7 Design of the protective grating
...