Reaffirmed September 22, 2005. Guidelines are provided for the selection of suitable sound reduction methods in oil-immersed power transformers and shunt reactors over 500 kVA.Sound-producing sources within transformers and reactors are discussed.Sound abatement procedures are described for achieving various levels of sound reduction in transformer and shunt reactor installations.
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Guide for Audible Sound of Liquid-Immersed Power Transformers
This document provides information on sound producing sources in liquid-immersed power transformers. Methods are described for achieving various levels of sound reduction in transformer design, manufacturing, and on site.