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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

In general, each of the terminal A-PEBB power stages 300 are field adaptable for any or all of: changing the direction of current flow; changing the direction of voltage drop; changing the conversion modes of operation for the A-PEBB LRU 200.A as a whole, for example from buck to boost, from AC/AC to AC/DC, DC/AC, or DC/DC; and for changing overall operations from current source converter 500 to voltage source converter, or vice-versa. Effective control of operational modes for the A-PEBB LRU 200.A as a whole may require coordinating mode switching between the two terminal A-PEBB LRUs 300.

Solid State Transformer: Further with reference to FIG. 2—In exemplary embodiments of the A-PEBB LRU 200.A, sandwiched between the two terminal A-PEBB LRUs 300, and electrically coupled between them in series, is an interior section 232. In an embodiment, the interior section 232 includes a first isolation power stage 210.1 which is coupled in series with a high frequency transformer 222, which is itself further coupled in series with a second isolation power stage 210.2. In an exemplary embodiment, the various power stages 210, 300, along with the transformer 222, may be coupled via exemplary capacitors 270.

權(quán)利要求

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