Multilevel electric power converter
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United States of America Patent
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May 3, 2016
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N/A
app pub date -
Nov 10, 2009
filing date -
Nov 10, 2008
priority date (Note) -
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Abstract
There is described a multilevel electric power converter circuit comprising: Ns switching elements connected in series in a closed loop; NAE additional elements, the additional elements being one of a direct current source and at least one passive element, connected within the closed loop such that each additional element is connected to four of the switching elements, the ratio of a number of additional elements NAE to a number of switching elements NS corresponding to NS=2NAE+2; and one of a load and an alternating current source connected across the closed loop at nodes between adjacent switching elements that are separate from nodes to which the additional elements are connected.
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