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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

In emerging present day technologies, CSC modes are becoming much more important (for permanent magnet motor applications). With permanent magnet motor applications, if the permanent magnet motor is connected as a load to Xn/Yn, the motor generates electric current after shutdown which introduces unwanted feedback into the A-PS 300. But with a permanent magnet motor connected as a load to Xn/Yn with CSC operations (mode CM6), the inductor L2 functions as a current-limiting safety device.

Exemplary Power Converter

In a simplest-case scenario, a relatively modest electrical system 100 may have only a single power converter 500.A, and the single power converter 500.A in turn may itself be a single A-PEBB LRU 200.A. For example, a “l(fā)ower end” large-scale electrical system 100 (which may perhaps be referred to as a “medium scale electrical system”) may employ one power converter 500 with a single A-PEBB LRU 200 which may be rated at 1000 volts and 125 kW.

權(quán)利要求

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