Standalone and Grid-Tie Power inverter
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United States of America Patent
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Issued Date -
Mar 8, 2012
app pub date -
Dec 14, 2010
filing date -
Sep 3, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A standalone and grid-tie power inverter includes a DC-to-AC converter, an output circuit electrically connected to the DC-to-AC converter, and a control unit electrically connected to the DC-to-AC converter and the output circuit. The DC-to-AC converter converts a DC power source into an AC power output. The output circuit includes a grid-tie switch for connecting the AC power output to a grid or isolating the AC power output from the grid. The control unit instructs the DC-to-AC converter to provide the AC power output based on a command signal and a feedback signal from the DC-to-AC converter. The control unit controls the grid-tie switch to switch the standalone and grid-tie power inverter between a standalone mode and a grid-tie mode.
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