Five-level PV inverter based on a multi-state switching cell
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United States of America Patent
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Jun 13, 2017
Grant Date -
Apr 28, 2016
app pub date -
Dec 3, 2015
filing date -
Jun 4, 2013
priority date (Note) -
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Abstract
A five-level active neutral-point-clamping inverter for converting a bipolar DC-voltage (VDC+ and VDC−) to a three-phase AC output voltage, the converter comprising first, second and third input terminals (P, MP, N) and first, second and third output terminals, where the inverter further comprises a first multi-state switching cell (MSSC) comprising three input terminals respectively connected to the input terminals of the inverter and a first output terminal, a second MSSC comprising three input terminals respectively connected to the input terminals of the inverter and a second output terminal and a third MSSC comprising three input terminals respectively connected to the input terminals of the inverter and a third output terminal.
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