Cascaded flying capacitor modular high voltage inverters
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United States of America Patent
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May 27, 2014
Grant Date -
Feb 28, 2013
app pub date -
Feb 17, 2012
filing date -
Dec 31, 2008
priority date (Note) -
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Abstract
A high voltage inverter is provided which includes a plurality of k-level flying capacitor H bridge modules, k being greater than 2, each having a positive dc terminal, a negative dc terminal, and two ac terminals, a connecting unit for connecting said ac terminals of said plurality of k-level flying capacitor H bridge modules in series to form a cascading set of modules, and a dc source connected to an ac source and having a transformer, a rectifier rectifying an output voltage of said transformer, and a capacitor connected between the positive and negative dc terminals.
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