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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

FIG. 5 is an example of an A-PEBB converter connecting with an MVAC (4160V ac) primary distribution bus 110.P, and a secondary LVDC (for example, up to 1000 V dc) energy storage or solar PV distribution bus 110.S. A load can also be connected to the regulated LVDC bus/port 110.L. The exemplary A-PEBB converter 500.A is operating in AC to DC and DC to AC conversion modes.

The exemplary A-PEBB power converter 500.A of FIG. 5 integrates multiple A-PEBB LRUs 200.A.n into a single power converter. The A-PEBB power converter 500.A is further configured to for 3-phase power (A, B, C).

The choice of which contact switch settings 395 and which power conversion mode(s) CM.n 392 are employed by the A-PEBB converter 500 when in field use will in practice depend on a variety of situational/contextual factors, including for example and without limitation: the operating conditions; available power/energy sources; expected average and/or maximum loads; system health (which may be determined by power system sensors not shown in the figures); and environmental conditions (which may be determined by environmental sensors beyond the scope of this document).

In various exemplary embodiments of an A-PEBB power converter 500, and for higher voltage and higher power applications, each A-PEBB LRU 200.A functions as a modular building block that can be stacked up/networked in parallel and/or in series to scale-up to a larger converter 500 with multiple A-PEBB LRUs 200.

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