Converter for transferring power between DC systems
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United States of America Patent
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Jan 10, 2017
Grant Date -
Jul 17, 2014
app pub date -
Jun 25, 2012
filing date -
Jun 23, 2011
priority date (Note) -
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Abstract
The present invention relates to a converter for transferring power between a first DC system of DC voltage V1 and a second DC system of DC voltage V2, the converter comprising: —a first AC/DC converter for transforming DC voltage V1 into a first single phase AC voltage V1ac, of frequency ω, root mean square line-neutral magnitude V1acm and angle α1; a second AC/DC converter for transforming DC voltage V2 into a second single phase AC voltage V2ac, of frequency ω, root mean square line-neutral magnitude V2acm and angle α2; and two inductors L1, L2 and a capacitor C, wherein the first terminals of the inductors and capacitor are connected together, the second terminal of inductor L1 and the second terminal of the capacitor C are connected to the first AC voltage V1ac, and the second terminal of inductor L2 and the second terminal of the capacitor C are connected to the second AC voltage V2ac; wherein the value of the capacitor C, inductor L1 and inductor L2 are selected to enable required power transfer and to minimize current in inductor L1, and/or minimize current in inductor L2.
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