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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

However, in some embodiments of the present system and method, which may have requirements of ultra-high power quality, additional ripple filter(s) 600 to address voltage and/or current ripples may be added to the system 100. In some embodiments of the present system and method, one or more adaptable ripple filters (ARF) 600 may be added at the converter 500 level (rather than at the LRU level). FIG. 6 illustrates in schematic form an exemplary reconfigurable or adaptable RLC filter 600 according to present system and method, which includes an inductor (L3) 655, a capacitor (C1) 657, and a resistor (R1) 659 connected in series. The exemplary ARF 600 also includes multiple current routing switches SW 17, SW18, and SW19, which may be used to configure the filter 600. Table β (beta) 680 shows corresponding switch positions of voltage or current filters for different power conversion modes of the adaptable power converter 500.

In some exemplary embodiments of the present system and method, which employ an adaptable PEBB power converter 500 with three-phase power, each power phase (A, B, C) may have its own respective, independently connected filter 600.a, 600.b, and 600.c, as illustrated schematically in FIG. 6.

Method

權(quán)利要求

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