IEC 60076-10 Ed. 1.0 b:2005, Power transformers - Part 10: Determination of sound levels

Defines sound pressure and sound intensity measurement methods by which sound power levels of transformers, reactors and their associated cooling auxiliaries may be determined. Is applicable to transformers and reactors covered by the IEC 60076 series, IEC 60289, and the IEC 61378 series, without limitation as regards size or voltage and when fitted with their normal cooling auxiliaries.