EN 50708-2-5:2021

Power transformers - Additional European requirements - Part 2-5: Medium power transformer - Single phase

The scope of this document is to define the energy performance of liquid immersed single-phase Medium Power Transformers in compliance with EN 50708 1 1:2020.

Transformateurs de puissance - Exigences européennes supplémentaires - Partie 2-5 : Transformateurs de moyenne puissance monophasés

Le domaine d’application du présent document doit définir les performances énergétiques des transformateurs de moyenne puissance monophasés immergés dans un liquide selon l’EN 50708 1 1:2020.

Močnostni transformatorji - Dodatne evropske zahteve - 2-5. del: Srednji močnostni transformator - Enofazne naprave

General Information

• Status: Published
• Publication Date: 19-Aug-2021
• ICS: 29.180 - Transformers. Reactors
• Technical Committee: CLC/TC 14 - Power transformers
• Drafting Committee: CLC/TC 14/WG 21 - Revision of HD 428 and HD 538
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 20-Aug-2021
• Due Date: 29-Jul-2022
• Completion Date: 20-Aug-2021
• Ref Project: SIST EN 50708-2-5:2021 - Power transformers - Additional European requirements - Part 2-5: Medium power transformer - Single phase

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 50708-2-5:2021
01-november-2021
Močnostni transformatorji - Dodatne evropske zahteve - 2-5. del: Srednji
močnostni transformator - Enofazne naprave
Power transformers - Additional European requirements - Part 2-5: Medium power
transformer - Single phase
Transformateurs de puissance - Exigences européennes supplémentaires - Partie 2-5 :
Transformateurs de moyenne puissance monophasés
Ta slovenski standard je istoveten z: EN 50708-2-5:2021
ICS:
29.180 Transformatorji. Dušilke Transformers. Reactors
SIST EN 50708-2-5:2021 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 50708-2-5:2021

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SIST EN 50708-2-5:2021


EUROPEAN STANDARD EN 50708-2-5

NORME EUROPÉENNE

EUROPÄISCHE NORM
August 2021
ICS 29.180

English Version
Power transformers - Additional European requirements - Part 2-
5: Medium power transformer - Single phase
Transformateurs de puissance - Exigences européennes
supplémentaires - Partie 2-5 : Transformateurs de moyenne
puissance monophasés
This European Standard was approved by CENELEC on 2021-07-05. 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 CEN-CENELEC
Management Centre 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 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, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.



European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 50708-2-5:2021 E

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EN 50708-2-5:2021 (E)
Contents

European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Service conditions . 5
5 Rating and general requirements. 5
5.1 General . 5
5.2 PEI values for single-phase liquid immersed transformers . 6
6 Rating plate. 6
7 Tolerances . 6
8 Tests . 6
9 Accessories and fittings . 6
10 Capitalization of losses . 7
11 Transformers overhaul . 7
Bibliography . 8


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EN 50708-2-5:2021 (E)
European foreword
This document
...