Power device
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
May 29, 2014
filing date -
Jun 6, 2013
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Abstract
A first direct-current power converter circuit increases an electrical potential difference between a positive electrical potential of a load and a positive electrical potential of a power source by a step-up operation, and a second direct-current power converter circuit increases an electrical potential difference between a negative electrical potential of the load and a negative electrical potential of the power source by a step-up operation. A control device controls switching operations of first and second switching devices included in the first direct-current power converter circuit based on a first duty. The control device controls switching operations of third and fourth switching devices included in the second direct-current power converter circuit based on a second duty. The control device controls a load voltage to be an arbitrary voltage, which is equal to or more than a source voltage.
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