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

專利號(hào)
US11888398B2
公開日期
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.

說明書

As seen in FIG. 3B, a conventional, isolation power stage H-bridge 210 has multiple fixed nodes for 280 for routing current into, out of, and between elements of the I-PS 210, such as nodes or node pairs 280.1, 280.2, 280.3, and 280.4. The exemplary, reconfigurable H-bridge converter (RH-BC) 320 of the present system and method employs current routing junctions (CRJ) 380 in place of the nodes or node pairs 280.n.

A current routing junction (CRJ) 380 may be either of: (i) a CRJ for switching (380.S), which is a pair of nodes Ni, Nj which provide placement for an open/closed switch at a selected circuit position where a conventional H-bridge simply presents a continuous circuit path, and (ii) a CRJ for attachment (380.A) which provides for additional circuit path connection nodes which are not employed in a conventional H-bridge. In either form (attachment CRJ 380.A or switching CRJ 380.S), the CRJs 380 enable on-the-fly modifications of H-bridge topology and operations. The A-PS 300 further employs one or more current flow control (CFC) modules 375 which may be attached to the pair of nodes of any one CRJ 380. A CFC 375 module in turn may include one or more contactors (SWn) 350, one or more inductors (L) 355, and possibly other circuit elements such as additional transistors, capacitors, or resistors (not shown in the figures).

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