Power conversion device
AssigneeKabushiki Kaisha Toshiba
InventorYusuke Hayashi
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Abstract
According to one embodiment, a power conversion device includes a plurality of non-isolated DC-DC converter circuits each including a bidirectional element, wherein inputs of the plurality of non-isolated DC-DC converter circuits are connected in parallel, and outputs of the plurality of non-isolated DC-DC converter circuits are connected in series. According to another embodiment, a power conversion device includes a plurality of non-isolated DC-DC converter circuits each including a bidirectional element, wherein inputs of the plurality of non-isolated DC-DC converter circuits are connected in series, and outputs of the plurality of non-isolated DC-DC converter circuits are connected in parallel.
Claims7
A power conversion device comprising
- a plurality of non-isolated DC-DC converter circuits each including a bidirectional element,
- wherein inputs of the plurality of non-isolated DC-DC converter circuits are connected in parallel, and outputs of the plurality of non-isolated DC-DC converter circuits are connected in series,
- wherein each of the plurality of non-isolated DC-DC converter circuits further includes:
- a first input terminal and a second input terminal;
- a first output terminal and a second output terminal;
- wherein the bidirectional element in each of the plurality of non-isolated DC-DC converter circuits includes:
- a first bidirectional element which is provided between the first input terminal and the first output terminal;
- and
- a second bidirectional element which is provided between the second input terminal and the second output terminal;
- and
- wherein each of the plurality of non-isolated DC-DC converter circuits further includes:
- a first inductor which has one end connected to a first node between the first bidirectional element and the first output terminal and the other end connected to a second node between the second bidirectional element and the second output terminal.
A power conversion device comprising:
- a plurality of non-isolated DC-DC converter circuits each including a bidirectional element,
- wherein inputs of the plurality of non-isolated DC-DC converter circuits are connected in parallel, and outputs of the plurality of non-isolated DC-DC converter circuits are connected in series;
- wherein each of the plurality of non-isolated DC-DC converter circuits further includes
- a first input terminal and a second input terminal;
- a first output terminal and a second output terminal;
- wherein the bidirectional element in each of the plurality of non-isolated DC-DC converter circuits includes:
- a first bidirectional element which is provided between the first input terminal and the first output terminal;
- and
- a second bidirectional element which is provided between the second input
- terminal and the second output terminal;
- and
- wherein each of the plurality of non-isolated DC-DC converter circuits
- further includes:
- a second inductor which is connected between the first input terminal and the first bidirectional element, and
- a third switching element which has one end connected to a third node between the second inductor and the first bidirectional element and the other end connected to a fourth node between the second input terminal and the second bidirectional element.
Dependencies are inferred from the claim text.