System and method for detecting diode failures
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United States of America Patent
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Nov 8, 2016
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app pub date -
Nov 20, 2014
filing date -
Nov 20, 2014
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Abstract
A system for detecting faults in a rectifier includes an AC current generator and a rectifier. A controller is configured to determine an AC input current supplied to rectifier, generate a simulated rectified DC input current based upon the AC input current, and determine a DC output current from the rectifier. The controller is further configured to compare the simulated rectified DC input current to the DC output current and generate an alert command if a difference between the simulated rectified DC input current and the DC output current exceeds a predetermined difference threshold.
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