EN 50464-1:2007/A1:2012

Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements

Publication editing allocated to [e-mail] * Will be superseded by future prEN 50588-1 (PR=24468)

Ölgefüllte Drehstrom-Verteilungstransformatoren 50 Hz, 50 kVA bis 2 500 kVA, mit einer höchsten Spannung für Betriebsmittel bis 36 kV - Teil 1: Allgemeine Anforderungen

Transformateurs triphasés de distribution immergés dans l'huile, 50 Hz, de 50 kVA à 2 500 kVA, de tension la plus élevée pour le matériel ne dépassant pas 36 kV - Partie 1: Prescriptions générales

Trifazni oljni distribucijski transformatorji od 50 do 2500 kVA, 50 Hz z najvišjo napetostjo naprave do 36 kV - 1. del: Splošne zahteve - Dopolnilo AA

Ta dokument zajema transformatorje od 50 in 2500 kVA, ki so namenjeni za delovanje v trifaznih razdelilnih omrežjih, za notranjo ali zunanjo neprekinjeno uporabo, 50 Hz, potopljene v mineralno olje, z naravnim hlajenjem in dvema navitjema: primarnim (visokonapetostnim) navitjem z najvišjo napetostjo naprave od 3,6 do 36 kV in sekundarnim (nizkonapetostnim) navitjem z najvišjo napetostjo naprave do 1,1 kV.

General Information

• Status: Withdrawn
• Publication Date: 19-Jan-2012
• ICS: 29.180 - Transformers. Reactors
• Technical Committee: CLC/TC 14 - Power transformers
• Drafting Committee: IEC/TC 14 - IEC_TC_14
• Parallel Committee: IEC/TC 14 - IEC_TC_14
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Start Date: 25-Jun-2018
• Completion Date: 17-May-2017
• Ref Project: SIST EN 50464-1:2007/A1:2012 - Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements

Relations

• Replaced By: EN 50588-1:2015 - Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
• Effective Date: 29-Jan-2023
• Amends: EN 50464-1:2007 - Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
• Effective Date: 28-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 50464-1:2007/A1:2012
01-april-2012
Trifazni oljni distribucijski transformatorji od 50 do 2500 kVA, 50 Hz z najvišjo
napetostjo naprave do 36 kV - 1. del: Splošne zahteve - Dopolnilo AA
Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA
with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
Ölgefüllte Drehstrom- Verteilungstransformatoren 50 Hz, 50 kVA bis 2 500 kVA, mit einer
höchsten Spannung für Betriebsmittel bis 36 kV - Teil 1: Allgemeine Anforderungen
Transformateurs triphasés de distribution immergés dans l'huile, 50 Hz, de 50 kVA à 2
500 kVA, de tension la plus élevée pour le matériel ne dépassant pas 36 kV - Partie 1:
Prescriptions générales
Ta slovenski standard je istoveten z: EN 50464-1:2007/A1:2012
ICS:
29.180 Transformatorji. Dušilke Transformers. Reactors
SIST EN 50464-1:2007/A1:2012 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 50464-1:2007/A1:2012

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SIST EN 50464-1:2007/A1:2012

EUROPEAN STANDARD
EN 50464-1/A1

NORME EUROPÉENNE
January 2012
EUROPÄISCHE NORM

ICS 29.180


English version


Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to
2 500 kVA with highest voltage for equipment not exceeding 36 kV -
Part 1: General requirements



Transformateurs triphasés de distribution Ölgefüllte Drehstrom-
immergés dans l'huile, 50 Hz, de 50 kVA à Verteilungstransformatoren 50 Hz, 50 kVA
2 500 kVA, de tension la plus élevée pour bis 2 500 kVA, mit einer höchsten
le matériel ne dépassant pas 36 kV - Spannung für Betriebsmittel bis 36 kV -
Partie 1: Prescriptions générales Teil 1: Allgemeine Anforderungen






This amendment A1 modifies the European Standard EN 50464-1:2007; it was approved by CENELEC on 2011-
10-31. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate
the conditions for giving this amendment 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 amendment 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, 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.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels


© 2012 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50464-1:2007/A1:2012 E

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SIST EN 50464-1:2007/A1:2012
EN 50464-1:2007/A1:2012 – 2 –
Foreword
This document (EN 50464-1:2007/A1:2012) has been prepared by CLC/TC 14, "Power transformers".
The following dates are fixed:
• latest date by which the document has
(dop) 2012-10-31
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national
(dow) 2014-10-31
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.
__________

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SIST EN 50464-1:2007/A1:2012
– 3 – EN 50464-1:2007/A1:2012

3 Electrical characteristics
3.8.1 Load losses, no load losses and sound power level for U ≤ 24 kV
m
Replace the text as follows:
In the following tables, column A values correspond to the lowest losses as commonly used in EU for
electrical devices.
Transformers can be requested and offered with L lower than the tabled values.
wA
A “low noise” series with no load losses D , C or B can be proposed with the L from the tabled
o o o wA
values of D , C , B or A respectively.
o o o o
Table 2 – Load losses P (W) at 75 °C for U ≤ 24 kV
k m
Short
Rated
C B A circuit
k k k
power
impedance
kVA W W W %
50 1 100 875 750
100 1 750 1 475 1 250
...