Short Circuit Protection
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Sep 3, 2014
filing date -
Jul 12, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus are provided for short circuit protection in a DC current source. A rectifying circuit arranged to generate a DC output can coupled to an AC source and a capacitor filter circuit can be provided to smooth the DC output. A short circuit detection unit can also be provided for monitoring at least one voltage across the capacitor filter circuit and generating a fault signal. A controller can then limit current through the capacitor filter circuit when the fault signal implies that the monitored voltage has fallen below a threshold value.
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