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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
技術領域
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

Method 700 begins with step 710. In step 710, the method identified present and/or future mission requirements, power needs, operational/situational environment(s), and electrical system status/health. The mission requirements assessments may be based, at least in part, on pre-defined and stored mission definitions associated with various locations, times, and sensed mission contexts. In turn, power needs may be determined via algorithms and/or pre-defined databases which associate various respective mission requirements M1, . . . , Mn with respective, associated electrical system power loads PL1, . . . , PLn. In turn, mission requirements M1, . . . , Mn may be determined in whole or in part by sensed operational/situational environments OSE.

The method 700 continues with step 720, which identifies present and/or future electrical system power source(s) and/or power load(s). Algorithms for determining power sources 110.1 may include identifying environmental factors and/or system health status. For example, a determination of time of day and weather conditions may indicated the availability or lack of availability of solar power. Other power source determination factors may include an assessment of available fuel for generators 110.1, generator system health, available battery charge, and similar considerations. The method 700 may then also prioritize various potential loads according to an assessment of total available power, possibly factoring in expected mission duration.

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