Title:
CHARGING SYSTEM AND CONTROL METHOD FOR CHARGING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/171085
Kind Code:
A1
Abstract:
The present invention provides a multiport-type charging system which is capable of simultaneously charging a plurality of storage batteries and loads and which is capable of handling a variety of types of charging while suppressing in increase in size and cost. Provided is a charging system which comprises a plurality of voltage transformation units that are configured from a secondary-side circuit and a primary-side circuit insulated with a high-frequency transformer, and in which input terminals of the primary-side circuits of the plurality of voltage transformation units are connected in series, said charging system being characterized in that at least one of the plurality of voltage transformation units has a plurality of secondary-side circuits, and the output terminals of the plurality of secondary-side circuits are connected to a plurality of differing loads.
Inventors:
KAWAGUCHI YUKI (JP)
FURUKAWA KIMIHISA (JP)
KAMIZUMA HIROSHI (JP)
SHIMADA TAKAE (JP)
MABUCHI YUUICHI (JP)
FURUKAWA KIMIHISA (JP)
KAMIZUMA HIROSHI (JP)
SHIMADA TAKAE (JP)
MABUCHI YUUICHI (JP)
Application Number:
PCT/JP2022/047107
Publication Date:
September 14, 2023
Filing Date:
December 21, 2022
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
H02J7/00; H02J7/02; H02M3/28
Foreign References:
| JP2001186765A | 2001-07-06 | |||
| JP2020043749A | 2020-03-19 |
Attorney, Agent or Firm:
POLAIRE I.P.C. (JP)
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