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公开(公告)号：US12034377B2
公开(公告)日：2024-07-09
申请号：US17808706
申请日：2022-06-24
发明人： Zhongyi Quan , Yunwei Li
CPC分类号： H02M5/458 , B60L53/50 , B60L53/60 , B60L55/00 , H02J3/322 , H02J3/381 , B60L2210/20 , H02J2300/24 , H02M1/0009
摘要： A direct current (DC) power secondary distribution system is provided. The system comprises at least one first conversion unit and a one or more second conversion units. The first conversion unit receives alternating current (AC) electrical voltage from a distribution transformer of an AC power distribution system and converts the AC electrical voltage to DC electrical voltage output. The one or more second conversion units are connected downstream of the first conversion unit, and each second conversion unit converts the DC electrical voltage output from the first conversion unit to a respective AC electrical voltage output for a respective one or more loads. The one or more loads may be associated with a household.
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2.发明授权公开(公告)号：US12132314B2
公开(公告)日：2024-10-29
申请号：US18066386
申请日：2022-12-15
发明人： Zhongyi Quan , Hao Tian
摘要： Various embodiments disclosed herein generally relate to methods and systems for real-time, or near real-time, balancing of an electrical distribution grid. According to at least one embodiment, there is provided one or more local balancing systems, each comprising: an energy storage unit (ESU) operable to store direct current (DC) power; a power converter comprising a DC side and an AC side, the power converter being operable to convert between single-phase (AC) power and DC power, wherein the DC side is electrically coupled to the ESU and the AC side is electrically couplable to at least one secondary distribution block in a secondary distribution grid; and a local controller coupled to the power converter and operable to control the power converter to convert between DC power and AC power.
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公开(公告)号：US20240051407A1
公开(公告)日：2024-02-15
申请号：US18448191
申请日：2023-08-11
发明人： Zhongyi Quan
IPC分类号： B60L53/10 , B60L53/30 , B60L58/12 , B60L55/00 , B60L53/51 , H02J3/36 , B60L53/62 , B60L53/16
CPC分类号： B60L53/11 , B60L53/305 , B60L58/12 , B60L55/00 , B60L53/51 , H02J3/36 , B60L53/62 , B60L53/16 , B60L2210/30 , B60L2210/44
摘要： Various example embodiments are provided herein relating to integrated electric charging systems and methods of operating thereof. In at least one example, there is provided an integrated electric charging system, comprising: an energy storage subsystem for storing direct current (DC) power; a charging subsystem coupled to the energy storage subsystem and comprising: a common DC bus; one or more power converters, each power converter having a DC side couplable to the common DC bus, the one or more power converters operable to maintain a voltage of the common DC bus at a pre-defined DC voltage level; and at least one operational switch interposed between the one or more power converters, wherein the operational switch varies an operational mode of the integrated charging system.
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4.发明公开公开(公告)号：US20230223758A1
公开(公告)日：2023-07-13
申请号：US18066386
申请日：2022-12-15
发明人： Zhongyi Quan , Hao Tian
摘要： Various embodiments disclosed herein generally relate to methods and systems for real-time, or near real-time, balancing of an electrical distribution grid. According to at least one embodiment, there is provided one or more local balancing systems, each comprising: an energy storage unit (ESU) operable to store direct current (DC) power; a power converter comprising a DC side and an AC side, the power converter being operable to convert between single-phase (AC) power and DC power, wherein the DC side is electrically coupled to the ESU and the AC side is electrically couplable to at least one secondary distribution block in a secondary distribution grid; and a local controller coupled to the power converter and operable to control the power converter to convert between DC power and AC power.
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