Five-Level Four-Switch DC-AC Converter
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United States of America Patent
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Issued Date -
Feb 26, 2015
app pub date -
Aug 21, 2014
filing date -
Aug 21, 2013
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Abstract
A single-phase DC-AC converter generates an AC voltage with five levels at the output converter side by using four controlled power switches. The converter has a relationship between the number of levels per number of switches (nL/nS) of five to four. The converter reduces the number of semiconductor devices required to generate a high number of levels at the output converter side, requires only one DC source to generate an AC output, and operates with high efficiency.
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