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

專利號(hào)
US11888398B2
公開(kāi)日期
2024-01-30
申請(qǐng)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(shuō)明書(shū)

The first and second isolation power stages 210 function as full bridge converters. The transformer 222 provides for power transfer between the two interior power stages 210 in the form of voltage inductance, while also providing for galvanic isolation between the terminal stages 300 of the exemplary A-PEBB LRU 200.A as a whole. The entire interior section 232—that is, the transformer 222 proper, along with the two interior power stages 210—may be together viewed as the elements of a compact high frequency (100-200 kHz) solid state isolation transformer 232.

In some embodiments of the present system and method, both of the isolation power stages 210 are provisioned for handling direct currents (DC) so that junctures A2/B2 and X3/Y3 are direct current only. One of the two isolation power stages 210.1, 210.2 provides for high frequency power conversion. However, because the terminal power stages 300 are adaptable, both end terminals X0/Y0 and X5/Y5 of the A-PEBB LRU 200.A can be configured for either of AC or DC.

For the exemplary A-PEBB LRU 200.A of FIG. 2, the exact transistor configuration, diode configuration, and topology of the two isolation power stages 210 is exemplary only, and some variations may be employed as is known in the art. These may include, for example and without limitation, the addition or substitution of one or more half-bridges along with, or in place of, full-bridges; and the choice of a variety of different types of power transistors.

權(quán)利要求

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