EN 50708-2-1:2020

Power transformers - Additional European requirements: Part 2-1 Medium power transformer - General requirements

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

Leistungstransformatoren - Zusätzliche europäische Anforderungen - Teil 2-1: Mittelleistungstransformator

Transformateurs de puissance - Exigences européennes supplémentaires : Partie 2-1 Transformateurs de moyenne puissance

Le domaine d'application du présent document doit définir les performances énergétiques des transformateurs de moyenne puissance selon le prEN 50708-1-1:2019.

Močnostni transformatorji - Dodatne evropske zahteve - 2-1. del: Srednji močnostni transformator- Splošne zahteve

General Information

• Status: Published
• Publication Date: 21-May-2020
• 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: 22-May-2020
• Due Date: 26-Nov-2021
• Completion Date: 22-May-2020
• Directive: 548/2014 - Commission Regulation (EU) No 548/2014 of 21 May 2014 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to small, medium and large power transformers
• Mandate: M/495 - Standardisation mandate to CEN, CENELEC and ETSI under Directive 2009/125/EC relating to harmonised standards in the field of Ecodesign
• Ref Project: SIST EN 50708-2-1:2020 - Power transformers - Additional European requirements: Part 2-1 Medium power transformer - General requirements

Relations

• Splited From: EN 50588-1:2017 - Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
• Effective Date: 10-Mar-2020
• Corrected By: EN 50708-2-1:2020/AC:2020-12 - Power transformers - Additional European requirements: Part 2-1 Medium power transformer - General requirements
• Effective Date: 10-Nov-2020

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 50708-2-1:2020
01-julij-2020
Nadomešča:
SIST EN 50588-1:2017
Močnostni transformatorji - Dodatne evropske zahteve - 2-1. del: Srednji
močnostni transformator- Splošne zahteve
Power transformers - Additional European requirements: Part 2-1 Medium power
transformer - General requirements
Transformateurs de puissance - Exigences européennes supplémentaires : Partie 2-1
Transformateurs de moyenne puissance
Ta slovenski standard je istoveten z: EN 50708-2-1:2020
ICS:
29.180 Transformatorji. Dušilke Transformers. Reactors
SIST EN 50708-2-1:2020 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 50708-2-1:2020

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SIST EN 50708-2-1:2020


EUROPEAN STANDARD EN 50708-2-1

NORME EUROPÉENNE

EUROPÄISCHE NORM
May 2020
ICS 29.180 Supersedes EN 50588-1:2017 (PART) and all of its
amendments and corrigenda (if any)
English Version
Power transformers - Additional European requirements: Part 2-
1 Medium power transformer - General requirements
Transformateurs de puissance - Exigences européennes To be completed
supplémentaires : Partie 2-1 Transformateurs de moyenne
puissance
This European Standard was approved by CENELEC on 2019-10-09. 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
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 50708-2-1:2020 E

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SIST EN 50708-2-1:2020
EN 50708-2-1:2020 (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
5.1.1 Highest voltages for equipment for winding with U > 1,1 kV . 5
m
5.1.2 Rated voltage for winding with Um ≤ 1,1 kV . 5
5.1.3 Tapping . 6
5.1.4 Connection designations for three phase transformers . 6
5.2 Energy Performance . 6
5.2.1 General . 6
5.2.2 Transformers with special requirements . 9
6 Rating plate. 11
7 Tolerances during factory acceptance tests . 11
8 Tests .
...