
Power transformers Determination of transformer and reactor sound levels
出版:Standards Australia

专家解读视频
Defines sound power versus sound pressure and sets out the methods by which the sound power levels of transformers, reactors, and their associated cooling equipment shall be determined. Standard and reduced sound power level limits for transformers only have been added in an Australian Appendix. Technically equivalent to IEC 551:1987, with the addition of Appendix AA.
IEC 60551 Ed. 2.0 - Equivalent