Global quieting system for stationary induction apparatus
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United States of America Patent
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Apr 1, 1997
Issued Date -
N/A
app pub date -
Dec 12, 1995
filing date -
Sep 9, 1993
priority date (Note) -
Expired
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Abstract
The present invention relates generally to global noise or sound control and, more particularly, to the control or sound radiated from stationary induction apparatus such as power transformers and shunt reactors by use of active enclosures and active panels. The purpose of the invention is to markedly reduce the radiation of sound from the machine to all observation points in the surrounding field with a very lightweight, compact, non-airtight structure which does not impair maintenance or repair of the machine.
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