Wind turbine with parallel converters utilizing a plurality of isolated transformer windings
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United States of America Patent
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May 10, 2011
Grant Date -
Dec 31, 2009
app pub date -
Jun 30, 2008
filing date -
Jun 30, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method are provided to isolate outputs of parallel converter threads of a power system converter of a wind turbine generator by utilizing isolated power windings on the output transformer from the converter. Such isolation eliminates the circulating common mode current between the parallel converters of the wind turbine system and eliminates the need for a common mode inductor. System reliability is enhanced and total system cost is reduced.
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