Power conversion circuit and power conversion system
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United States of America Patent
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Oct 10, 2017
Grant Date -
Mar 5, 2015
app pub date -
Nov 14, 2014
filing date -
Aug 30, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A power converter, includes a first terminal and a second terminal which are connected to a direct current; a third terminal connected to an alternating current; N multi-level bridge arms connected in parallel to the first terminal and the second terminal, where the N multi-level bridge arms work in a parallel-interleaved manner, each multi-level bridge arm of the N multi-level bridge arms includes an alternating current node, and multiple time-varying levels are generated at the alternating current node, where the multiple levels are more than two levels; and a coupling inductor, including N windings coupled by one common magnetic core, where one end of each winding of the N windings is connected to an alternating current node of one multi-level bridge arm of the N multi-level bridge arms, and the other end of each winding of the N windings is connected to the third terminal.
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