Online fiber optic sensor for detecting partial discharge and similar events in large utility station transformers and the like
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United States of America Patent
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Jul 4, 2006
Grant Date -
Sep 8, 2005
app pub date -
Mar 5, 2004
filing date -
Mar 5, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An approved method and apparatus for detecting partial discharge events within a transformer comprises asserting a MEMS acoustical probe through the wall of the transformer to optically measure partial discharge events. In an enhanced embodiment, temperature compensation is also possible, and detection may be confirmed via an independent electromagnetic or other sensor.
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