Dual boost converter for UPS system
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United States of America Patent
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Feb 3, 2015
Grant Date -
Jan 31, 2013
app pub date -
Jul 28, 2011
filing date -
Jul 28, 2011
priority date (Note) -
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Abstract
A power converter includes a power conversion circuit switchably coupled to a first power input and a second power input. The power conversion circuit is operable to generate positive and negative DC output voltages and is configured such that, in a backup mode of operation, the negative DC output voltage is generated using backup power through a first current path of the power conversion circuit that includes a first diode coupled between the second power input and a second DC bus, and, in a line mode of operation, the negative DC output voltage is generated using AC input power through a second current path of the power conversion circuit that bypasses the first diode and includes a second diode coupled between the first power input and the second DC bus.
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