Validation of arc flash detection systems
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United States of America Patent
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Mar 4, 2014
Grant Date -
Mar 25, 2010
app pub date -
Sep 18, 2009
filing date -
Sep 19, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An arc flash validation unit may generate stimulus to be received by an arc flash detection unit (AFDU) and observe the response of the AFDU thereto. The response of the AFDU to the stimulus may allow for validation of the AFDU (e.g., validation that the AFDU is operating as expected). In addition, the arc flash validation unit may determine the response time of the AFDU. Different types of stimulus may be provided to the AFDU, including electro-optical (EO) stimulus (e.g., visible light), current stimulus, and the like. Results of the validation may be displayed on a human-machine interface, which may display an estimate of the total energy that would be released in an actual arc flash event. The estimate may be used to define appropriate safety parameters for the equipment monitored by the AFDU.
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