BACKUP POWER SYSTEM - PANASONIC IP MAN CO LTD

Title:

BACKUP POWER SYSTEM

Document Type and Number:

WIPO Patent Application WO/2021/005924

Kind Code:

A1

Abstract:

A backup power system according to the present disclosure comprises a battery, a charging circuit, an electricity storage unit, a first load, a second load, and a control unit that controls the charging circuit. The control unit increases the input current of the charging circuit at a first rate of change in response to a start-up signal. Upon detecting that the charging voltage of the electricity storage unit has risen to a first voltage at which the first load can be driven, the control unit controls the charging circuit so that the input current of the charging circuit is increased at a second rate of change lower than the first rate of change. The charging circuit is controlled by the control unit so that the input current increases at the second rate of change, and the charging voltage of the electricity storage unit rises to a second voltage at which both the first load and the second load can be driven.

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Inventors:

TAKENAKA KAZUO
HIGASHIDE TAKASHI
ATAGO KATSUNORI
KAGEYAMA YOUICHI
HIRAGI HISAO
SETSU YUGO
NISHINAKA HIROKI
TANIDA SHINICHI

Application Number:

PCT/JP2020/021953

Publication Date:

January 14, 2021

Filing Date:

June 03, 2020

Export Citation:

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Assignee:

PANASONIC IP MAN CO LTD (JP)

International Classes:

B60R16/033; H02J7/00; H02J7/10; H02J9/00

Domestic Patent References:

WO2013125170A1

2013-08-29

Foreign References:

JP2014233142A	2014-12-11
JP2018068019A	2018-04-26
JP2014143814A	2014-08-07

Other References: