Voltage adjusting apparatus
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United States of America Patent
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Feb 14, 2017
Grant Date -
Nov 19, 2015
app pub date -
Apr 29, 2015
filing date -
May 16, 2014
priority date (Note) -
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Abstract
In a voltage adjusting apparatus connected in series to a system, an output of an AC/DC converter thereof is reduced. The apparatus includes a second serial transformer having a primary side connected in series to a secondary side of a first serial transformer having a primary side connected in series between a power supply and a load and to a secondary side of a parallel transformer having a primary side connected in parallel between the power supply and the load; and a first AC/DC converter having an AC side connected to a secondary side of the second serial transformer. The first AC/DC converter has a switching element connected between an AC terminal and a DC terminal, an antiparallel diode, and a capacitor.
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