公开(公告)号：US12212142B2

公开(公告)日：2025-01-28

申请号：US18362728

申请日：2023-07-31

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Kui Zhou ,  Fuwen Chen ,  Wenke Yang

IPC: H02J3/32 ,  H02J3/38 ,  H02J7/00

Abstract: An electrical energy storage system is provided in this disclosure, which includes: M battery packs; M first DC/DC converters, where first terminals of the M first DC/DC converters are respectively connected to the M battery packs, the M first DC/DC converters are classified into N first DC/DC converter sets; and N second DC/DC converters, where the N second DC/DC converters one-to-one correspond to the N first DC/DC converter sets, a first terminal of each second DC/DC converter is connected to second terminals of all first DC/DC converters in a first DC/DC converter set corresponding to the second DC/DC converter, a second terminal of each second DC/DC converter is connected to a first interface of the electrical energy storage system, the first interface is to receive a direct current from a power generation system or output a direct current to the power generation system.

公开(公告)号：US20220360086A1

公开(公告)日：2022-11-10

申请号：US17870790

申请日：2022-07-21

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Kui Zhou ,  Fuwen Chen ,  Wenke Yang

IPC: H02J3/32 ,  H02J3/38 ,  H02J7/00

Abstract: An electrical energy storage system is provided in this dislosure, which includes: M battery packs; M first DC/DC converters, where first terminals of the M first DC/DC converters are respectively connected to the M battery packs, the M first DC/DC converters are classified into N first DC/DC converter sets; and N second DC/DC converters, where the N second DC/DC converters one-to-one correspond to the N first DC/DC converter sets, a first terminal of each second DC/DC converter is connected to second terminals of all first DC/DC converters in a first DC/DC converter set corresponding to the second DC/DC converter, a second terminal of each second DC/DC converter is connected to a first interface of the electrical energy storage system, the first interface is to receive a direct current from a power generation system or output a direct current to the power generation system.

公开(公告)号：US20230378757A1

公开(公告)日：2023-11-23

申请号：US18362728

申请日：2023-07-31

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Kui Zhou ,  Fuwen Chen ,  Wenke Yang

IPC: H02J3/32 ,  H02J7/00 ,  H02J3/38

CPC classification number: H02J3/32 ,  H02J7/0013 ,  H02J3/381 ,  H02J2207/20 ,  H02J2300/26 ,  H02J2300/28

Abstract: An electrical energy storage system is provided in this disclosure, which includes: M battery packs; M first DC/DC converters, where first terminals of the M first DC/DC converters are respectively connected to the M battery packs, the M first DC/DC converters are classified into N first DC/DC converter sets; and N second DC/DC converters, where the N second DC/DC converters one-to-one correspond to the N first DC/DC converter sets, a first terminal of each second DC/DC converter is connected to second terminals of all first DC/DC converters in a first DC/DC converter set corresponding to the second DC/DC converter, a second terminal of each second DC/DC converter is connected to a first interface of the electrical energy storage system, the first interface is to receive a direct current from a power generation system or output a direct current to the power generation system.

公开(公告)号：US11749995B2

公开(公告)日：2023-09-05

申请号：US17870790

申请日：2022-07-21

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Kui Zhou ,  Fuwen Chen ,  Wenke Yang

IPC: H02J3/32 ,  H02J3/38 ,  H02J7/00

CPC classification number: H02J3/32 ,  H02J3/381 ,  H02J7/0013 ,  H02J2207/20 ,  H02J2300/26 ,  H02J2300/28

Abstract: An electrical energy storage system is provided in this dislosure, which includes: M battery packs; M first DC/DC converters, where first terminals of the M first DC/DC converters are respectively connected to the M battery packs, the M first DC/DC converters are classified into N first DC/DC converter sets; and N second DC/DC converters, where the N second DC/DC converters one-to-one correspond to the N first DC/DC converter sets, a first terminal of each second DC/DC converter is connected to second terminals of all first DC/DC converters in a first DC/DC converter set corresponding to the second DC/DC converter, a second terminal of each second DC/DC converter is connected to a first interface of the electrical energy storage system, the first interface is to receive a direct current from a power generation system or output a direct current to the power generation system.