International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference CLC/TR 50462:2008
Title Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
Project Number 15968
Abstract/Scope This Technical Report illustrates the procedures and criteria to be applied to evaluate the uncertainty affecting the measurements of no load and load losses during the routine tests on power transformers. Even if the attention is especially paid to the transformers, the document can be also used for the measurements of reactor losses, when applicable.


Current Stage code 6060
Current Stage code date 2008-07-04
Current Stage code deadline  
Deadline date for vote 2006-03-15


Order Voucher  


IEC Technical Body IEC/TC 14
Reference Document  
ICS 29.180 - Transformers. Reactors
Keywords Power transformer; Reactor; Loss measurement; Uncertainties
Special National Condition(s)  


Categories - Aspects
Product Life Cycle
All Energy use Use B2B


Deadline Date
6060 2008-07-04   export to doc file  EN
5099 2008-03-07 2008-07-07  
5060 2008-02-25 2008-03-07 export to doc file  EN
5020 2007-11-23 2008-02-22 export to doc file  EN
3099 2007-09-19 2007-10-19  
3020 2006-10-25 2007-03-31  
5092 2006-10-12 2006-10-31  
5060 2006-03-15 2006-10-22 export to doc file  EN
5020 2006-03-14 2006-03-15 export to doc file  EN
4060 2005-07-11 2006-03-13  
4020 2005-04-08 2005-07-08  
3020 2005-02-14 2005-07-14  
2020 2004-12-02 2005-06-02  
2020 2003-06-30 2004-07-31  

Implementation Dates

date of Ratification (DOR) (1) 2008-03-07
date of Availability (DAV) (2) 2008-07-04
date of Announcement (DOA) (3) -
date of Publication (DOP) (4) -
date of Withdrawal (DOW) (5) -


Superseded by  
Normative reference (6) EN 60076-1:1997

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.