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公开(公告)号：US20250055367A1
公开(公告)日：2025-02-13
申请号：US18929829
申请日：2024-10-29
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Kexin SUN , Dongsheng ZHAO , Bo Li , Yongpan QIANG , Chuangpeng LI
Abstract: A power conversion apparatus, a control apparatus, and a switch-mode power supply, which may be used in the field of power supply technologies. A PPC inductor and a switch unit in a PPC circuit are reused in a hold-up time prolonging circuit, so that only at least one capacitor and at least one switch unit need to be added. Therefore, a quantity of newly added components is reduced, and costs are reduced.
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公开(公告)号：US20240021890A1
公开(公告)日：2024-01-18
申请号：US18475774
申请日：2023-09-27
Applicant: Huawei Digital Power Technologies Co., Ltd.
Inventor： Jianshan Li , Bo Yu , Bo Li
IPC: H01M10/42 , H01M50/204 , H01M10/48 , H01M50/583 , H02J7/00
CPC classification number: H01M10/4257 , H01M50/204 , H01M10/482 , H01M50/583 , H02J7/0013 , H01M2010/4271 , H01M2200/103 , H01M2010/4278
Abstract: This application discloses a battery system and an energy storage container. The battery system includes a plurality of battery packs that are connected in series. Each battery pack corresponds to one first switch that is connected in series to the battery pack. Each battery pack corresponds to one second switch that is connected in parallel to the battery pack. Each battery pack is connected in series to the corresponding first switch and then connected in parallel to the second switch. The first switch includes a plurality of controllable switching transistors that are connected in parallel. The second switch includes a plurality of controllable switching transistors that are connected in parallel. The plurality of controllable switching transistors included in the first switch correspond to at least two different turn-on moments. The plurality of controllable switching transistors included in the second switch correspond to at least two different turn-on moments.
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