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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

Power Transistor Gate Switching: Persons skilled in the relevant arts will appreciate that, in addition to changing the open/closed states of contactors 350 (SW1, . . . SW9, SW14 . . . SW16), different operational conversion modes CM.n 392 may also entail variations in the on/off switching patterns (or switching timings) for the gates G of the four high current switching elements (HC-PSs) 325. The switching patterns may be controlled by a programmable microcontroller 327 of the A-PS 300, or by a microcontroller 227 of the A-PEBB LRU 200.A.

Voltage Source Conversion Vs. Current Source Conversion Modes

For the exemplary adaptable power stage (A-PS) 300, and as will be apparent from figures and discussion above, modes CM1 through CM5 are all voltage source conversion (VSC) modes, where inductor L2 is not active (no-current flowing through), and where An/Bn are employed as a voltage source. Mode CM6 provides for current source conversion with a current source at An and Bn; current entering at An/Bn goes through inductor L2 (SW 14 and SW1 are closed, SW15 is open), while inductor L1 is not active (SW3 and SW16 are open, SW4 and SW6, SW5 and SW7 are closed).

Legacy power stage technologies provide for one of VSC or CSC. The present system and method provides for an adaptable power stage 300 which support both VSC and CSC operations (though only one at a time), configurably.

權(quán)利要求

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