Device for detecting partial discharge for power transformer
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United States of America Patent
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Aug 8, 2017
Issued Date -
N/A
app pub date -
Dec 24, 2012
filing date -
Dec 26, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a device for detecting a partial discharge for a power transformer which detects an electromagnetic signal occurring due to faulty insulation. The device includes an antenna unit receiving electromagnetic waves, an insulator including the antenna unit, a metallic air-tight unit that seals a connector connected to the insulator and connecting a coaxial cable, and the coaxial cable exposed to the outside of the metallic air-tight unit. Thus, it is possible to enhance broadband properties through an internal conductor of a drain valve.
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