Power supply device
AssigneeMitsubishi Electric Corporation
InventorsHiroki ISHIHARA, Toshihiro WADA
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Abstract
The positive electrode of the unit in an m-th configuration stage (m is an integer satisfying 2≤m≤n) is connected to a negative electrode of the unit in an (m−1)-th configuration stage. A drain-side terminal of the step-up switch included in the m-th configuration stage is connected to a source-side terminal of the step-up switch included in the (m−1)-th configuration stage. A source-side terminal of the step-up switch included in an n-th configuration stage is connected to a negative electrode of the unit included in the n-th configuration stage. The n step-up switches connected in series are connected in parallel to a series circuit including the power storage mechanism and the reactor.
Claims20
A power supply device comprising:
- n configuration stages, n being an integer equal to or greater than 2, each configuration stage including:
- a unit including one or more power storage devices;
- a step-down switch having a drain-side terminal connected to a positive electrode of the unit;
- and a step-up switch having a drain-side terminal connected to a source-side terminal of the step-down switch;
- a power storage mechanism to store electric energy and capable of receiving and outputting power;
- a reactor connected in series to the power storage mechanism;
- and
- a control operation section to switch each of the step-down switch and the step-up switch between a conductive state and a non-conductive state, wherein
- the positive electrode of the unit in an m-th configuration stage of the configuration stages is connected to a negative electrode of the unit in an (m−1)-th configuration stage of the configuration stages, m being an integer satisfying 2≤m≤n, the drain-side terminal of the step-up switch included in the m-th configuration stage is connected to a source-side terminal of the step-up switch included in the (m−1)-th configuration stage,
- a source-side terminal of the step-up switch included in an n-th configuration stage of the configuration stages is connected to a negative electrode of the unit included in the n-th configuration stage, and
- the n step-up switches connected in series are connected in parallel to a series circuit including the power storage mechanism and the reactor.
A power supply device comprising:
- n configuration stages, n being an integer equal to or greater than 2, each configuration stage including:
- a unit including one or more power storage devices;
- a step-down switch having a source-side terminal connected to a negative electrode of the unit;
- and
- a step-up switch having a source-side terminal connected to a drain-side terminal of the step-down switch;
- a power storage mechanism to store electric energy and capable of receiving and outputting power;
- a reactor connected in series to the power storage mechanism;
- and
- a control operation section to switch each of the step-down switch and the step-up switch between a conductive state and a non-conductive state, wherein
- a positive electrode of the unit in an m-th configuration stage of the configuration stages is connected to the negative electrode of the unit in an (m−1)-th configuration stage of the configuration stages, m being an integer satisfying 2≤m≤n,
- a drain-side terminal of the step-up switch included in the m-th configuration stage is connected to the source-side terminal of the step-up switch included in the (m−1)-th configuration stage,
- a drain-side terminal of the step-up switch included in a first configuration stage of the configuration stages is connected to a positive electrode of the unit included in the first configuration stage, and
- the n step-up switches connected in series are connected in parallel to a series circuit including the power storage mechanism and the reactor.
The power supply device according to claim , wherein
- the power storage mechanism is replaced with an electric device,
- the electric device has at least one of a power consuming function and a power generating function, and
- the n step-up switches connected in series are connected in parallel to a series circuit including the electric device and the reactor.
Dependencies are inferred from the claim text.