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Self reconfigurable, adaptable power electronics building block (A-PEBB)

專利號
US11888398B2
公開日期
2024-01-30
申請人
GE Energy Power Conversion Technology Limited(GB Warwickshire)
發(fā)明人
Zhi Zhou; Steven Mankevich
IPC分類
H02M3/158; H02M1/00; H02J7/00; H02M7/25
技術(shù)領(lǐng)域
pebb,power,lrus,in,lru,ps,converter,adaptable,or,dc
地域: Warwickshire

摘要

A power conversion system for mobile power generation and support is configured to be adaptable to different, time-varying mission requirements, system statuses, environmental contexts, and for different power sources and power loads. Adaptability includes real-time, on-the-fly adaptation from DC-to-AC, AC-to-DC, AC-to-AC, and DC-to-DC conversion; adaptations from buck conversion to boost conversation; and from current source conversion mode to voltage source conversion mode. In an embodiment, individual internal power stages for one or more power electronics building blocks are equipped with multiple internal current routing switches/contactors. Current flow may be dynamically re-routed along different current paths associated with an H-bridge of each power stage. Alternative current routings allow for the introduction or removal of inductors at critical points along the current path. Such on-the-fly current rerouting, at the power transistor level, enables the adaptability of the power converter. Specific open/closed switch settings and specific current routing configurations are presented.

說明書

Circuit conducting paths and topology: For convenience, and for identification in the presently appended claims and/or any claims which may be presented in the future with reference to this document, circuit nodes (connection points and/or branching points) have been labelled as N1, . . . , N32 (or generally as Ni, i=1, . . . , 32). It will be understood that the circuit paths 340 and circuit nodes Ni shown in the figure identify the circuit topology of the exemplary A-PS 300, and so constitute an exemplary description of the circuit. It will be seen, by way of a first example, that switch SW4 is connected between nodes N17 and N19, and that switch SW6 is connected between nodes N19 and N21, thereby electrically connecting switches SW4 and SW6 in series between nodes N17 and N21. By way of a second example, it will be apparent from the figure that inductor L1 and switch SW4 are connected in parallel between nodes N17 and N19, so that the state of switch SW4 being open or being closed may determine, in part, if current flows through inductor L1 or is shunted/short-circuited around inductor L1.

Similar identifications or characterizations for element connections and elements interactions, based on element connections to specific nodes, may be made for other circuit elements of exemplary A-PS 300.

權(quán)利要求

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