Capture of power quality information at the time a device fails
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United States of America Patent
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Jan 10, 2017
Grant Date -
May 26, 2016
app pub date -
Nov 24, 2014
filing date -
Nov 24, 2014
priority date (Note) -
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Abstract
An apparatus for detecting an abnormal event and capturing associated waveforms includes a detection module within a power control device that detects an abnormal condition. The abnormal condition is indicative of an impending failure of the power control device and/or a condition within the power control device indicative of a parameter being outside of a specified limit. The power control device controls power to one or more power devices in a power distribution system. The apparatus includes a signal transmit module that transmits a capture signal to a transient capture meter. The transient capture meter meters transient conditions of a branch of the power distribution system that includes the power control device. The capture signal instructs the transient capture meter to capture current and/or voltage waveforms relevant to a time when the detection module detected the abnormal condition.
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