EN 60076-10:2016

Power transformers - Part 10: Determination of sound levels

Publication date:   Jun 14, 2017

General information

60.60 Standard published   Nov 11, 2016

CENELEC

CLC/TC 14 Power transformers

European Norm

29.180   Transformers. Reactors

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Scope

IEC 60076-10:2016 defines sound pressure and sound intensity measurement methods from which sound power levels of transformers, reactors and their associated cooling devices are determined. The methods are applicable to transformers, reactors and their cooling devices - either fitted to or separate from the transformer - as covered by the IEC 60076 and IEC 61378 series. This standard is primarily intended to apply to measurements made at the factory. Conditions on-site can be very different because of the proximity of objects, including other transformers. Nevertheless, this standard is applied to the extent possible for on site measurements. This edition includes the following significant technical changes with respect to the previous edition:

- additional useful definitions introduced;

- definition of distribution type transformers introduced for the purpose this standard;

- new clause for sound level measurement specification introduced;

- requirement for 1/3 octave band measurements introduced for transformers other than distribution type transformers;

- standard measurement distance changed from 0,3 m to 1 m for transformers other than distribution type transformers;

- height of measurement surface is now clearly defined to count from the reflecting plane;

- measurement surface formula unified;

- correction criteria for intensity method introduced;

- rules for sound measurements on dry-type reactors introduced;

- figures revised;

- new informative test report templates introduced (Annex B);

- IEC 60076-10-1 (application guide) revised in parallel providing worthwhile information for the use of this standard.

Related legislation

Legislation related to this standard

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

Life cycle

PREVIOUSLY

WITHDRAWN
EN 60076-10:2001

NOW

PUBLISHED
EN 60076-10:2016
60.60 Standard published
Nov 11, 2016

Relations

Adopted from IEC 60076-10:2016 IDENTICAL