Arc flash detection system
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United States of America Patent
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Jun 21, 2011
Grant Date -
Apr 24, 2008
app pub date -
Oct 24, 2007
filing date -
Oct 24, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An arc flash detection system includes a sensor for determining and responding to the presence of an arc flash condition in electrical equipment by detecting a pressure rise, rate of pressure rise and/or ultraviolet radiation characteristic of an arc flash, and generating a signal in response thereto; and processing means responsive to said signal for operating a protective system to de-energize the electrical equipment within a period of time of sufficiently short duration to prevent a pressure wave from the arc flash from causing unacceptable darn age to equipment or personnel.
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