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EVS-EN 50708-2-4:2022

Power transformers - Additional European requirements - Part 2-4: Medium power transformer - Special tests

General information

Valid from 15.09.2022
Base Documents
EN 50708-2-4:2022
ICS Groups
29.180 Transformers. Reactors
Directives or regulations
None

Standard history

Status
Date
Type
Name
15.09.2022
Main
EVS-EN 50708-2-4:2022
This document describes the special tests for Medium Power Transformers ≤ 3150 kVA compliant with the EN 50708-2 series:
— for corrugated tank for liquid immersed transformers,
— for the method of measurement of losses for one winding in Highest Voltage (HV) and windings in Lowest Voltage (LV) for liquid immersed and dry type transformers.

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English