The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 05, 2023

Filed:

Jul. 21, 2022
Applicant:

Huawei Digital Power Technologies Co., Ltd., Guangdong, CN;

Inventors:

Kui Zhou, Dongguan, CN;

Fuwen Chen, Xi'an, CN;

Wenke Yang, Dongguan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 3/32 (2006.01); H02J 3/38 (2006.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 3/32 (2013.01); H02J 3/381 (2013.01); H02J 7/0013 (2013.01); H02J 2207/20 (2020.01); H02J 2300/26 (2020.01); H02J 2300/28 (2020.01);
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.


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