chapter  19
Causes and Effects of Transformer Sound Levels
Pages 14

In many cities today there are local ordinances specifying maximum allowable sound levels at commercial

and residential property lines. Consequently, the sound energy radiated from transformers has become a

factor of increasing importance to the neighboring residential areas. It is therefore appropriate that a good

understanding of sound power radiation and its measurement principles be developed for appropriately

specifying sound levels in transformers. An understanding of these principles can be helpful in minimizing

community complaints regarding the present and future installations of transformers.