Distributed energy system disconnect switch with mechanical isolation
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United States of America Patent
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Nov 17, 2015
Grant Date -
Apr 25, 2013
app pub date -
May 24, 2012
filing date -
Oct 19, 2011
priority date (Note) -
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Abstract
A switching assembly includes a first terminal and a second terminal, and a contactor connected to the first terminal, where the contactor includes a relay switch and a coil. The switching assembly further includes a first switch connected to the second terminal, and a rectifier bridge connected in series between the contactor and the first switch. The switching assembly also includes a control unit configured to selectively apply a control signal to the coil to cause the relay switch to open or close based on a voltage measured at the first terminal or based on a voltage drop measured across the rectifier bridge.
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